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Prof. Özel's Manufacturing & Automation Research Laboratory
© 2003-2015

Director:
Prof. T. Özel, Ph.D.
Associate Professor 
Industrial & Systems Engg. 
Rutgers University
96 Frelinghuysen Road, Piscataway, NJ 08854, USA
(848) 445-1099
E-mail:
ozel@rutgers.edu

Books

Innovations in Manufacturing, Edited by M. Koc and T. Özel
John Wiley & Sons, (in press- 2019)
ISBN-10: 1118071921 ISBN-13: 978-1118071922

*** New Title ***
Biomedical Devices:
Design, Prototyping and Manufacturing

Tuğrul Özel (Editor), Paolo Jorge Bártolo (Editor), Elisabetta Ceretti (Editor), Joaquim De Ciurana Gay (Editor), Ciro Angel Rodriguez (Editor), Jorge Vicente Lopes Da Silva (Editor),
ISBN: 978-1-118-47892-9
John Wiley & Sons
October 2016
Hardback 208 pp.
 
 
 Intelligent Machining:
 Modeling and Optimization of the Machining Processes and Systems

 by Tugrul Özel (Editor) and J. Paulo Davim (Editor)
 ISBN: 9781848211292
 ISTE -Wiley
 April 2009
 Hardback 288 pp.

 Micro-Manufacturing:
 Design and Manufacturing of Micro-Products

 by Muammer Koc (Editor) and Tugrul Özel (Editor)
 ISBN: 978-0-470-55644-3
 John Wiley & Sons
 June 2011
 Hardback  404 pp.

Selected Publications (Please see the full list of publications)
(The underline indicates current/former students, visiting scholars supervised at MARL, * indicates corresponding author)

Author:  OZEL, Tugrul

Results found

Sum of the Times Cited

Average Citations

h-index*

Google Scholar

149

6587

44.21

37

SCOPUS

118

3975

33.69

32

Web of Science

137

2884

21.05

29

2017

  • T. Özel*, A. Altay, A. Donmez, R. Leach, “Surface topography investigations on nickel alloy 625 fabricated via laser powder bed fusion,” International Journal of Advanced Manufacturing Technology, 2017, DOI:10.1007/s00170-017-1187-z.

  • T. Özel*, A. Olleak, T. Thepsonthi, "Micro milling of titanium alloy Ti-6Al-4V: 3-D finite element modeling for prediction of chip flow and burr formation," Production Engineering2017, Volume 11, Issue 4–5, pp 435–444. DOI: 10.1007/s11740-017-0761-4.

  • L.E. Criales,  T. Özel* "Temperature profile and melt depth in laser powder bed fusion of Ti-6Al-4V titanium alloy," Progress in Additive Manufacturing, 2017, Volume 2, Issue 3, pp. 169–177. DOI: 10.1007/s40964-017-0029

  • L.E. Criales, Y.M. Arisoy, B. Lane, S. Moylan, A. Donmez, T. Özel* "Laser Powder Bed Fusion of Nickel Alloy 625: Experimental Investigations of Effects of Process Parameters on Melt Pool Size and Shape with Spatter Analysis," International Journal of Machine Tools and Manufacture, 2017  Vol. 121, pp. 22-36. DOI: 10.1016/j.ijmachtools.2017.03.004

  • L.E. Criales, Y.M. Arisoy, B. Lane, S. Moylan, A. Donmez, T. Özel* "Predictive Modeling and Optimization of Multi-Track Processing for Laser Powder Bed Fusion of Nickel Alloy 625," Additive Manufacturing, 2017, 13: 14–36. DOI: 10.1016/j.addma.2016.11.004

  • A. Olleak, T. Özel*, "3D Finite Element Modeling Based Investigations of Micro-Textured Tool Designs in Machining Titanium Alloy Ti-6Al-4V,” Proceedings of the 45th North American Manufacturing Research Conference, June 4-8, 2017, Los Angeles, California, USA.

2016

  • Y.M. Arisoy, L.E. Criales, T. Özel*, B. Lane, S. Moylan, A. Donmez, "Influence of Scan Strategy and Process Parameters on Microstructure and Its Optimization in Additively Manufactured Nickel Alloy 625 via Laser Powder Bed Fusion," International Journal of Advanced Manufacturing Technology, 2017, Vol. 90, Issue 5, pp. 1393–1417. DOI:10.1007/s00170-016-9429-z.

  • T. Thepsonthi and T. Özel*, "Simulation of serrated chip formation in micro-milling of titanium alloy Ti-6Al-4V using 2D elasto-viscoplastic finite element modeling," Production Engineering, 2016, 10(6), 575-586. DOI 10.1007/s11740-016-0701-8.

  •  Y.M. Arisoy, C. Guo, B. Kaftanoğlu, T. Özel*, “Investigations on Microstructural Changes in Machining of Inconel 100 alloy using Face Turning Experiments and 3D Finite Element Simulations,” International Journal of Mechanical Sciences, 2016, 107:80–92. DOI:10.1016/j.ijmecsci.2016.01.009.

  • T. Özel*, L.E. Criales, Y.M. Arısoy, "Computational Simulation of Thermal and Spattering Phenomena and Microstructure in Selective Laser Melting of Inconel 625,” Physics Procedia, 2016, 83:1435–1443, Laser Assisted Net Shape Engineering, 9 International Conference on Photonic Technologies Proceedings of the LANE 2016, September 19-22, 2016, Fürth, Germany. doi:10.1016/j.phpro.2016.08.149.

  • J. Ciurana, T. Özel, and L. Sereno, “Introduction,” Chapter 1 (1-22), in Biomedical Devices: Design, Prototyping and Manufacturing, (Ed.) T. Özel, P. Bártolo, E. Ceretti, J. Ciurana Gay, C. A. Rodríguez, and J. V. Lopes Da Silva, John Wiley & Sons (2016) John Wiley & Sons, ISBN: 978-1-118-47892-9.

  •  T. Özel, J. Ciurana, D. Teixidor and L. Criales, “Laser Processing Applications,” Chapter 4 (79-98), in Biomedical Devices: Design, Prototyping and Manufacturing, (Ed.) T. Özel, P. Bártolo, E. Ceretti, J. Ciurana Gay, C. A. Rodríguez, and J. V. Lopes Da Silva, John Wiley & Sons (2016) John Wiley & Sons, ISBN: 978-1-118-47892-9.

  • T. Özel, E. Ceretti, T. Thepsonthi, A. Attanasio, “Machining Applications,” Chapter 5 (99-120), in Biomedical Devices: Design, Prototyping and Manufacturing, (Ed.) T. Özel, P. Bártolo, E. Ceretti, J. Ciurana Gay, C. A. Rodríguez, and J. V. Lopes Da Silva, John Wiley & Sons (2016) John Wiley & Sons, ISBN: 978-1-118-47892-9.

  • T. Özel*, Y.M. Arısoy, C. Guo, "Identification of Microstructural Model Parameters for 3D Finite Element Simulation of Machining Inconel 100 Alloy," Procedia CIRP, 2016, 46: 549 – 554. doi:10.1016/j.procir.2016.04.021

  • Y.M. Arisoy, C. Guo, B. Kaftanoğlu, T. Özel*, “Investigations on Microstructural Changes in Machining of Inconel 100 alloy using Face Turning Experiments and 3D Finite Element Simulations,” International Journal of Mechanical Sciences, 2016, 107:80–92. doi:10.1016/j.ijmecsci.2016.01.009

  • L.E. Criales, Y.M. Arisoy, T. Özel*, "Sensitivity Analysis of Material and Process Parameters in Finite Element Modeling of Selective Laser Melting of Inconel 625," International Journal of Advanced Manufacturing Technology, (in press). DOI 10.1007/s00170-015-8329-y

2015

  • T. Thepsonthi and T. Özel*, "3-D Finite Element Process Simulation of Micro-end Milling Ti-6Al-4V Titanium Alloy: Experimental Validations on Chip Flow and Tool Wear," Journal of Materials Processing Technology, 2015, Vol. 221, pp. 128–145.

  • L.E. Criales, P.F. Orozco, A. Medrano, C.A. Rodríguez, T. Özel*, "Effect of Fluence and Pulse Overlapping on Fabrication of Microchannels in PMMA/PDMS via UV Laser Micromachining: Modeling and Experimentation," Materials and Manufacturing Processes, 2015, DOI:10.1080/10426914.2015.1004690.

  • Y.M. Arisoy and T. Özel*, "Prediction of Machining Induced Microstructure in Ti-6Al-4V Alloy using 3-D FE-Based Simulations: Effects of Tool Micro-geometry, Coating and Cutting Conditions,” Journal of Materials Processing Technology, 2015, Vol. 220, pp. 1–26.

  • Y.M. Arisoy and T. Özel*, "Machine Learning Based Predictive Modeling of Machining Induced Microhardness and Grain Size in Ti-6Al-4V Alloy," Materials and Manufacturing Processes, 2015, Vol. 30/4,  pp. 425-433.

  • L.E. Criales, Y. M. Arısoy, T. Özel*, "A Sensitivity Analysis Study on The Material Properties and Process Parameters for Selective Laser Melting of Inconel 625," Proceedings of 2015 ASME International Conference on Manufacturing Science and Engineering, Paper No. MSEC2015-9321, June 8-12, 2015, Charlotte, North Carolina, USA.

  • Y. M. Arısoy, T. Özel*, "Investigations on Machining Induced Microstructural Changes on Inconel 100," Proceedings of 2015 ASME International Conference on Manufacturing Science and Engineering, Paper No. MSEC2015-9318, June 8-12, 2015, Charlotte, North Carolina, USA.

  • Y.M. Arısoy, T. Özel*, C. Guo, K. Davut, B. Kaftanoğlu, "Modeling of Microstructural Changes due to Machining Process on Nickel Superalloy Surfaces," 8th International Conference and Exhibition on Design and Production of MACHINES and DIES/MOLDS, 18-21 JUNE 2015, Kusadasi, Aydin, TURKEY.

     

2014

  • Y.M. Arisoy and T. Özel*, "Prediction of Machining Induced Microstructure in Ti-6Al-4V Alloy using 3-D FE-Based Simulations: Effects of Tool Micro-geometry, Coating and Cutting Conditions,” Journal of Materials Processing Technology, 2015, Vol. 220, pp. 1–26.
  • T. Thepsonthi and T. Özel*, "An integrated toolpath and process parameter optimization for high-performance micro-milling process of Ti–6Al–4V titanium alloy" International Journal of Advanced Manufacturing Technology, Vol. 75, 2014, pp. 57–75.
  • T. Özel*, T. Thepsonthi, V. Amarasinghe, and G.K. Celler, “Nanosecond Pulsed Laser Processing of Ion Implanted Single Crystal Silicon Carbide Thin Layers”, 8th International Conference on Photonic Technologies, September 08-11, 2014, Nuremberg, Germany.
  • Y.M. Arisoy and T. Özel*, "Prediction of Machining Induced Grain Size with FE-Based Simulations of Ti-6Al-4V and IN-100 Alloys using the Johnson-Mehl-Avrami-Kolmogorov Model,” Proceedings of the 42nd North American Manufacturing Research Conference, June 9-13, 2014, Detroit, Michigan, USA.
  • L. Criales and T. Özel*, “Prediction of Temperature Profile Using a Finite Difference Method for Selective Laser Melting of Ti-6Al-4V Titanium Alloy,” Proceedings of the 42nd North American Manufacturing Research Conference, June 9-13, 2014, Detroit, Michigan, USA.
  • T. Thepsonthi and T. Özel*, "Process Optimization and Decision Support for High Performance Micro-milling of Ti-6Al-4V Alloys,” Proceedings of the 42nd North American Manufacturing Research Conference, June 9-13, 2014, Detroit, Michigan, USA.
  • T. Özel* and Y.M. Arisoy, "Experimental and Numerical Investigations on Machining Induced Surface Integrity in Inconel-100 Nickel-Base Alloy” Procedia Engineering, 2nd CIRP Conference on Surface Integrity (CSI), May 28-30, 2014, Nottingham, U.K.
  • D. Ulutan, Y.M. Arisoy, T. Özel, and L. Mears, " Empirical modeling of residual stress profile in machining nickel-based superalloys using the sinusoidal decay function” Procedia Engineering, 2nd CIRP Conference on Surface Integrity (CSI), May 28-30, 2014, Nottingham, U.K.
  • K.D. Bouzakis*, E. Bouzakis, S. Kombogiannis, S. Makrimallakis, G. Skordaris, N. Michailidis, P. Charalampous, R. Paraskevopoulou, R. M’Saoubi, J. C. Aurich, F. Barthelmä, D. Biermann, B. Denkena, D. Dimitrov, S. Engin, B. Karpuschewski, F. Klocke, T. Özel, G. Poulachon, J. Rech, V. Schulze, L. Settineri, A. Srivastava, K. Wegener, E. Uhlmann, P. Zeman “Effect of cutting edge preparation of coated tools on their performance in milling various materials,” CIRP Journal of Manufacturing Science and Technology. Vol. 7, 2014, pp. 264-273.
  • I. Llanos*, A. Agirre, H. Urreta, T. Thepsonthi, T. Özel “Micromilling High Aspect Ratio Features using Tungsten Carbide Tools,” Proc IMechE Part B: Journal of Engineering Manufacture. Vol. 228, 2014, pp. 1350-1358.
  • P.J. Arrazola, A. Kortabarria, A. Madariaga, E. Fernandez, J.A. Esnaola, C. Cappellini, D. Ulutan, T. Özel*. “On the Machining Induced Residual Stresses in IN718 Nickel-Based Alloy: Experiments and Predictions with Finite Element Simulation,” Simulation Modelling Practice and Theory,  2014, Vol. 41, pp. 87–103.
  • T. Özel* and D. Ulutan, “Effects of Machining Parameters and Tool Geometry on Serrated Chip Formation, Specific Forces and Energies in Orthogonal Cutting of Nickel-Based Super Alloy Inconel 100,” Journal of Engineering Manufacture. In press.

2013

  • P.J. Arrazola*, T. Özel, D. Umbrello, M. Davies, and I.S. Jawahir, "Recent Advances in Modelling of Metal Machining Processes," CIRP Annals- Manufacturing Technology, 2013, Vol. 62, No.2, pp. 695–718. Keynote Paper. DOI: 10.1016/j.cirp.2013.05.006
  • D. Ulutan, T. Özel*, “A Friction Determination Methodology and Stress Distribution Based Validation for Finite Element Simulations of Machining Titanium and Nickel Based Alloys,” Journal of Materials Processing Technology, 2013,  Vol. 213, Issue 12, pp. 2217–2237. DOI:10.1016/j.jmatprotec.2013.05.019
  • T. Thepsonthi and T. Özel*, "Experimental and Finite Element Simulation Based Investigations on Micro-Milling Ti-6Al-4V Titanium Alloy: Effects of cBN Coating on Tool Wear," Journal of Materials Processing Technology, 2013,Vol. 213,  pp. 532–542. DOI: 10.1016/j.jmatprotec.2012.11.003.
  • D. Teixidor, F. Orozco, T. Thepsonthi, J. Ciurana, C. A. Rodríguez, T. Özel*, "Effect of Process Parameters in Nanosecond Pulsed Laser Micromachining of PMMA-based Microchannels at Near-Infrared and Ultraviolet Wavelengths," International Journal of Advanced Manufacturing Technology. DOI:10.1007/s00170-012-4598-x.
  • D. Ulutan, T. Özel*, “Multi-Objective Optimization of Experimental and Simulated Residual Stresses in Turning of Nickel-Alloy IN100,” Materials and Manufacturing Processes, 2013, Vol. 28, No. 7, pp. 835–841. DOI:10.1080/10426914.2012.718474.
  • D. Teixidor, I. Ferrer, J. Ciurana*, T. Özel, “Optimization of Process Parameters for Pulsed Laser Milling of Micro-Channels on AISI H13 Tool Steel” Robotics and Computer-Integrated Manufacturing, 2013, Vol. 29, Issue 1, pp. 209 - 218. DOI:10.1016/j.rcim.2012.05.005
  • T. Özel*, Y.M. Arisoy, and D. Ulutan, " Prediction of Machining Induced Microhardness using Finite Element Simulations and Machine Learning in Titanium Alloys” Proceedings of 7th International Conference and Exhibition on Design and Production of Machines and Dies/Molds, June 20-23, 2013, Antalya, Turkey.
  • T. Thepsonthi and T. Özel*, "3-D Finite Element Simulation of Micro-Milling Ti-6Al-4V Titanium Alloy” Proceedings of 7th International Conference and Exhibition on Design and Production of Machines and Dies/Molds, June 20-23, 2013, Antalya, Turkey.
  • T. Özel*, T. Thepsonthi, V. Amarasinghe and G.K. Celler, “Pulsed Laser Assisted Exfoliation of Hydrogen Ion Implanted Single Crystalline SiC Thin Layers,” Proceedings of the 41st North American Manufacturing Research Conference, June 10-14, 2013, University of Wisconsin, Madison, Wisconsin.
  • T. Thepsonthi and T. Özel*, "Finite Element Simulation of Micro-End Milling Titanium Alloy: Comparison of Viscoplastic and Elasto-Viscoplastic Models,” Proceedings of the 41st North American Manufacturing Research Conference, June 10-14, 2013, University of Wisconsin, Madison, Wisconsin.
  • D. Ulutan and T. Özel*, "Determination of Constitutive Material Model Parameters in FE-Based Machining Simulations of Ti-6Al-4V and IN-100 Alloys: An Inverse Methodology,” Proceedings of the 41st North American Manufacturing Research Conference, June 10-14, 2013, University of Wisconsin, Madison, Wisconsin.

2012

  • D. Teixidor, T. Thepsonthi, J. Ciurana, T. Özel*, "Nanosecond Pulsed Laser Micromachining of PMMA-based Microfluidic Channels," Journal of Manufacturing Processes, 2012, Vol. 14, No. 4, pp. 435–442. DOI:10.1016/j.jmapro.2012.09.001.

  • T. Özel* and D. Ulutan, "Prediction of Machining Induced Residual Stresses in Turning of Titanium and Nickel Based Alloys with Experiments and Finite Element Simulations," CIRP Annals- Manufacturing Technology, 2012, Vol. 61, No. 1, pp. 547–550. DOI:10.1016/j.cirp.2012.03.100

  • T. Thepsonthi and T. Özel*, "Multi-Objective Process Optimization for Micro-end Milling of Ti-6Al- 4V Titanium Alloy," International Journal of Advanced Manufacturing Technology, 2012, Vol. 63, No. 9, pp. 903-914. DOI:10.1007/s00170-012-3980-z

  • D. Ulutan and T. Özel*, "A Methodology to Determine Friction in Orthogonal Cutting with Application to Machining Titanium and Nickel Based Alloys," Proceedings of 2012 ASME International Conference on Manufacturing Science and Engineering, Paper No. MSEC2012-7275, June 4-8, 2012, University of Notre Dame, Indiana.

  • D. Teixidor, J. Ciurana, T. Thepsonti and T. Özel*, "Nanosecond Pulsed Laser Micro-Machining of PMMA-based Microfluidic Channels," Proceedings of the 40th North American Manufacturing Research Conference, June 4-8, 2012, University of Notre Dame, Indiana.

  • T. Thepsonthi and T. Özel*, "Finite Element Modeling and Simulation of Micro-Milling," Proceedings of the 40th North American Manufacturing Research Conference, June 4-8, 2012, University of Notre Dame, Indiana.

  • T. Thepsonthi, N. Milesi and T. Özel*, "Design and Prototyping of Micro-Needle Arrays for Drug Delivery Using Customized Tool-Based Micro-Milling Process," Proceedings of the The First International Conference on Design and Processes for Medical Devices, May 2-4, 2012, Brescia, Italy.

  • D. Teixidor, T. Thepsonti, J. Ciurana and T. Özel*, "Laser Micro-Machining of PMMA-based Micro-Channels for Microfluidics Applications," Proceedings of the The First International Conference on Design and Processes for Medical Devices, May 2-4, 2012, Brescia, Italy.

  • A. Agirre, T. Thepsonthi and T. Özel*, “Micro-Milling of Metallic Thin-Wall Features with Applications in Micro-Heat Sinks,” Proceedings of the 9th International Conference on High Speed Machining , March 7-8, 2012, San Sebastian, Spain.

2011

  • T. Özel*, T. Thepsonthi, D. Ulutan, B. Kaftanoğlu, "Experiments and Finite Element Simulations on Micro-Milling of Ti-6Al-4V Alloy with Uncoated and cBN coated Micro-Tools," CIRP Annals- Manufacturing Technology, 2011, Vol. 60, No. 1, pp. 85-88. DOI:10.1016/j.cirp.2011.03.087

  • D. Ulutan, M. Sima and T. Özel*, Prediction of Machining Induced Surface Integrity using Elastic-Viscoplastic Simulations and Temperature-Dependent Flow Softening Material Models in Titanium and Nickel-based alloys, Advanced Materials Research, 2011, Vol. 223, pp. 401-410. DOI:10.4028/www.scientific.net/AMR.223.401

  • T. Özel, I. Llanos, J. Soriano, P.-J. Arrazola*, “3D Finite Element Modelling of Chip Formation Process for Machining Inconel 718: Comparison of FE Software Predictions,” Machining Science and Technology, 2011, Vol. 15, No.1, pp. 21-46. DOI:10.1080/10910344.2011.557950

  • E. Vázquez, J. Ciurana, C.A. Rodríguez, T. Thepsonthi, T. Özel*, "Swarm Intelligent Selection and Optimization of Machining System Parameters for Micro-channel Fabrication in Medical Devices," Materials and Manufacturing Processes, 2011, Vol. 26. DOI:10.1080/10426914.2010.520792

  • D. Ulutan and T. Özel*  "Machining Induced Surface Integrity in Titanium and Nickel Alloys: A Review," International Journal of Machine Tools and Manufacture, 2011, Vol. 51, Issue 3, pp. 250-280. DOI:10.1016/j.ijmachtools.2010.11.003

  • M. Alberti, J. Ciurana*, C.A. Rodriguez and  T. Özel, “Design of A Decision Support System for Machine Tool Selection Based on Machine Characteristics and Performance Tests,” Journal of Intelligent Manufacturing, 2011, Vol. 22, No. 2, pp. 263-277. DOI:10.1007/s10845-009-0286-6

  • T. Thepsonthi and T. Özel*, "Statistically Based Process Optimization for Improved Surface Quality in Micro-end Milling of Ti-6Al- 4V Titanium Alloy," Proceedings of the 39th North American Manufacturing Research Conference, June 13-17, 2011, Oregon State University, Corvallis, Oregon.

  •  M. Sima, D. Ulutan, and T. Özel*, "Effects of Tool Micro-Geometry and Coatings in Turning of Ti-6Al-4V Titanium Alloy," Proceedings of the 39th North American Manufacturing Research Conference, June 13-17, 2011, Oregon State University, Corvallis, Oregon.

  • S. Farina, T. Thepsonti, E. Ceretti, and T. Özel, "Determination of Specific Forces and Tool Deflections in Micro-milling of Ti-6Al-4V alloy using Finite Element Simulations and Analysis," The 14th International ESAFORM Conference on Material Forming, AIP Conf. Proc. 1353, 645-650, Belfast, United Kingdom, 27-29 April, 2011, DOI:10.1063/1.3589588.

2010

  • T. Özel*, M. Sima, A.K. Srivastava and B. Kaftanoglu, "Investigations on the Effects of Multi-Layered Coated Inserts in Machining Ti-6Al-4V Alloy with Experiments and Finite Element Simulations," CIRP Annals- Manufacturing Technology, 2010, Vol. 59, No.2, pp. 77–82. DOI:10.1016/j.cirp.2010.03.055

  • M. Sima and T. Özel*  "Modified Material Constitutive Models for Serrated Chip Formation Simulations and Experimental Validation in Machining of Titanium Alloy Ti-6Al-4V," International Journal of Machine Tools and Manufacture, 2010, Vol. 50, Issue 11, pp. 943–960. DOI:10.1016/j.ijmachtools.2010.08.004

  • T. Özel*, M. Sima and A.K. Srivastava, "Finite Element Simulation of High Speed Machining Ti-6Al-4V Alloy using Modified Material Models," Transactions of the NAMRI/SME, 2010, Vol.38, pp. 49-56.

  • P.J. Arrazola and T. Özel*, "Investigations on the Effects of Friction Modeling in Finite Element Simulation of Machining," International Journal of Mechanical Sciences, 2010, Vol. 52, No.1, pp. 31-42. DOI:10.1016/j.ijmecsci.2009.10.001 .

  • T. Thepsonthi and T. Özel*, "Sensor-Assisted Monitoring and Optimization of Process Parameters in Micro-end Milling of Ti-6Al- 4V Titanium Alloy," Fifth International Conference on Micromanufacturing (ICOMM/4M 2010), April 5-8, 2010, Madison, Wisconsin, USA.

2009

  • T. Özel*, "Computational Modelling of 3-D Turning with Variable Edge Design Tooling: Influence of Micro-Geometry on Forces, Stresses, Friction and Tool Wear," Journal of Materials Processing Technology, 2009, Vol. 209, No. 11, pp. 5167-5177. DOI:10.1016/j.jmatprotec.2009.03.002

  •  T. Özel* and X. Liu, “Investigations on Mechanics Based Process Planning of Micro-End Milling in Machining Mold Cavities, Materials and Manufacturing Processes, 2009, Vol. 24, No. 12, 1274–1281. DOI: 10.1080/10426910903130008

  • T. Özel, “Experimental and Finite Element Investigations on The Influence of Tool Edge Radius in Machining Nickel-Based Alloy,” CD Proceedings of 2009 ASME International Conference on Manufacturing Science and Engineering, Paper No. 84362, October 5-7, 2009, Lafayette, Indiana, USA.

  •  T. Özel and S.Yildiz, “A Framework for Establishing Energy Efficiency and Ecological Footprint Metrics for Sustainable Manufacturing of Products,” CD Proceedings of 2009 ASME International Conference on Manufacturing Science and Engineering, Paper No. 84365, October 5-7, 2009, Lafayette, Indiana, USA.

  • H. Cesur, B. Kaftanoglu* and T. Özel, "Machining Performance of CBN Coated Cutting Tools for Die/Mold Applications" Proceedings of 5th International Conference and Exhibition on Design and Production of Machines and Dies/Molds, June 18-21, 2009, Kusadasi, Turkey.

  • J. Soriano, I. Llanos, T. Özel and P. J. Arrazola*, "Comparison of 3D Finite Element Models for Chip Formation ," Proceedings of 12th CIRP International Workshop on Modeling of Machining Operations, May 7-8, 2009, San Sebastian, Spain, Vol. I, pp. 53-60. Nominated for Best Paper Award

  • T. Özel*, "Finite Element Simulation of Machining Nickel-Based Alloy in the Presence of Tool Flank Wear," Proceedings of 12th CIRP International Workshop on Modeling of Machining Operations, May 7-8, 2009, San Sebastian, Spain, Vol. I, pp. 37-44. Nominated for Best Paper Award

  • T. Özel*, S. Yildiz and J. Ciurana, "Influence of Material Models on Serrated Chip Formation in Simulation of Machining Ti-6Al-4V Titanium Alloy," Proceedings of 12th CIRP International Workshop on Modeling of Machining Operations, May 7-8, 2009, San Sebastian, Spain, Vol. I, pp. 123-130.

  • N. Pellicer, J. Ciurana* and T. Özel, “Influence of Process Parameters and Electrode Geometry on Feature Micro-Accuracy in Electro Discharge Machining of Tool Steel,” Materials and Manufacturing Processes, 2009, Vol. 24, No. 12, 1282–1289. DOI: 10.1080/10426910903130065

  • J. Ciurana, G. Arias and T. Özel*, "Neural Network Modeling and Particle Swarm Optimization of Process Parameters in Pulsed Laser Micro-Machining of Hardened AISI H13 Steel," Materials and Manufacturing Processes, 2009, Vol.24, pp. 358-368. DOI: 10.1080/10426910802679568

  • T. Özel*, A. E. Correia, and J. P. Davim, "Neural Network Process Modelling for Turning of Steel Parts using Conventional and Wiper Inserts," International Journal of Materials and Product Technology, 2009, Vol. 35, No. 1/2, pp. 246-258. DOI: 10.1504/IJMPT.2009.025230

  •  W-H. Lee and T. Özel*, “An Experimental Method for Laser Micro-Machining of Spherical and Elliptical 3-D Objects”, International Journal of Nanomanufacturing, 2009, Vol. 3, No.3, pp. 264 - 278. DOI: 10.1504/IJNM.2009.027428

2008

  • T. Özel*, Y. Karpat, and A. Srivastava, "Hard Turning with Variable Micro-Geometry PcBN Tools," CIRP Annals- Manufacturing Technology2008, Vol. 57 pp. 73-76. DOI:10.1016/j.cirp.2008.03.063 

  • A. Dhanorker and T. Özel*, "Meso/Micro Scale Milling for Micromanufacturing," International Journal of Mechatronics and Manufacturing Systems, 2008, Vol.1, No.1, 2008, pp. 23-43. DOI: 10.1504/IJMMS.2008.018273 

  • P. Arrazola and T. Özel, "Numerical modelling of 3-D hard turning using Arbitrary Eulerian Lagrangian finite element method," International Journal of Machining and Machinability of Materials, 2008, Vol.3, No.3, pp. 238-249. DOI: 10.1504/IJMMM.2008.020907 

  • J. Ciurana , G. Arias, and T. Özel*, "Modeling of process parameters influence on feature geometry in pulsed laser micro-machining of hardened steel," Third International Conference on Micromanufacturing, September 9-11, 2008, Carnegie-Mellon University, Pittsburg, Pennsylvania, USA.

  • T. Özel* and X. Liu, "Modeling Based Micro-Milling Process Planning For Machining Mold Cavities," Proceedings of the CIRP 3rd Int. Conference on High Speed Cutting, Dublin, Ireland, June 12-13, 2008.

  • Y. Karpat and T. Özel*, "Process Simulations for 3-D Turning using Uniform and Variable Micro-Geometry PcBN Tools," International Journal of Machining and Machinability of Materials, 2008, Vol.3, No.3, pp. 250-262. DOI: 10.1504/IJMMM.2008.020908 

  • Y. Karpat and T. Özel*, "Mechanics of High Speed Cutting with Curvilinear Edge Tools," International Journal of Machine Tools and Manufacture,  Vol. 48,  2008, pp. 195-208. DOI:10.1016/j.ijmachtools.2007.08.015

  • Y. Karpat and T. Özel*, “Analytical and Thermal Modeling of High-Speed Machining with Chamfered Tools,” ASME Journal of Manufacturing Science and Engineering, Vol. 130, Issue 1, February 2008. Ranked#1 in the Top 10 Most Downloaded Articles -Dec2007-Jan 2008

2007

  • Y. Karpat and T. Özel*, "3-D FEA of Hard Turning: Investigation of PCBN Cutting Tool Micro- Geometry Effects," Transactions of NAMRI/SME, Volume 35,  2007, pp. 9-16.

  • T. Özel* and E. Zeren, "Numerical Modeling of Meso-Scale Finish Machining with Finite Edge Radius Tools," International Journal of Machining and Machinability of Materials, Vol. 2, Nos. 3/4,  2007, pp.451-468.

  • T. Özel* and Y. Karpat, L. Figueira and J. P. Davim, "Modelling of Surface Finish and Tool Wear in Turning of AISI D2 Steel Using Ceramic Wiper Inserts," Journal of Materials Processing Technology, Vol. 189, 2007, pp. 192-198. DOI:10.1016/j.jmatprotec.2007.01.021 

  • T. Özel*and  Y. Karpat, "Identification of constitutive material model parameters for high-strain rate metal cutting conditions using evolutionary computational algorithms," Materials and Manufacturing Processes,  Vol. 22, 2007, pp. 659-667.

  • T. Özel* and E. Zeren, " Finite Element Analysis of The Influence of Edge Roundness on The Stress and Temperature Fields Induced by High Speed Machining," International Journal of Advanced Manufacturing Technology, Vol. 35, No.3-4, November 2007, pp. 255-267.

  • Y. Karpat and T. Özel*, " Multi-Objective Optimization For Turning Processes Using Neural Network Modeling And Dynamic-Neighborhood Particle Swarm Optimization," International Journal of Advanced Manufacturing Technology, Vol. 35, No.3-4, November 2007, pp. 234-247.

  • T.  Özel*, and F. Pfefferkorn, "Pulsed Laser Assisted Micromilling for Die/ Mold Manufacturing," Proceedings of 2007 ASME International Conference on Manufacturing Science and Engineering, Paper No. 31101, October 15-18, 2007, Atlanta, GA.

  • A. Dhanorker, X. Liu and T.  Özel*, "Micromilling Process Planning and Modeling for Micro Mold Manufacturing," Proceedings of 2007 ASME International Conference on Manufacturing Science and Engineering, Paper No. 31070, October 15-18, 2007, Atlanta, GA.

  • W. H. Lee and T.  Özel*, "Laser Micromachining of Spherical and Elliptical 3-D Objects using Hole Area Modulation Method," Proceedings of 2007 ASME International Conference on Manufacturing Science and Engineering, Paper No. 31068, October 15-18, 2007, Atlanta, GA.

  • T. Özel*, X. Liu, A. Dhanorker, "Modelling and Simulation of Micro-Milling Process,"  4th International Conference and Exhibition on Design and Production of Machines and Dies/Molds, 21-23 June 2007, Cesme, TURKEY. 

  • Y. Karpat, T. Özel*, J. Sockman, W. Shaffer, "Design and Analysis of Variable Micro-Geometry Tooling for Machining Using 3-D Process Simulations," Proceedings of International Conference on Smart Machining Systems, March 13-15, 2007 National Institute of Standards and Technology, Gaithersburg, Maryland, USA.

2006

  • Y. Karpat and T. Özel, “An Integrated Analytical Thermal Model for Orthogonal Cutting with Chamfered Tools,” Transactions of NAMRI/SME, Vol. 34, 2006, pp. 9-16.

  • Y. Karpat and T. Özel, “Swarm-Intelligent Neural Network System (SINNS) Based Multi-Objective Optimization of Hard Turning,” Transactions of NAMRI/SME, Vol. 34, 2006, pp. 611-625.

  • Y. Karpat and T. Özel, “Predictive Analytical and Thermal Modeling of Orthogonal Cutting Process. Part II: Effect of Tool Flank Wear on Tool Forces, Stresses and Temperature Distributions,”  ASME Journal of Manufacturing Science and Engineering, Vol. 128, May 2006, pp. 445-453.

  • Y. Karpat and T. Özel, “Predictive Analytical and Thermal Modeling of Orthogonal Cutting Process. Part I: Predictions of Tool Forces, Stresses and Temperature Distributions,” ASME Journal of Manufacturing Science and Engineering, Vol.128, May 2006, pp. 435-444.

  • T. Özel, "Influence of Friction Models on Finite Element Simulations of Machining,"  International Journal of Machine Tools and Manufacture, Vol. 46, Issue 5, 2006, pp. 518-530.  Ranked #3 at the Top 10 Cited List-Last Five Years by Scopus

  • T. Özel and E. Zeren*, "A Methodology to Determine Work Material Flow Stress and Tool-Chip Interfacial Friction Properties by Using Analysis of Machining," ASME Journal of Manufacturing Science and Engineering, Vol. 128, Feb. 2006, pp. 119-129.

  • T. Özel, "Precision Tracking Control of A Horizontal Arm Coordinate Measuring Machine in Presence of Dynamic Flexibilities," International Journal of Advanced Manufacturing Technology, Vol. 27, No. 9-10, February 2006, pp. 960 - 968.

  • A. Dhanorker  and T. Özel*, "An experimental and modeling study on meso/micro end milling process," Proceedings of 2006 ASME International Conference on Manufacturing Science and Engineering, Paper No. 21127, October 8-11, 2006, Ypsilanti, MI.

  • Y. Karpat and T. Özel*, "Identification of Friction Factors for Chamfered and Honed Tools Through Slip-line field Analysis," Proceedings of 2006 ASME International Conference on Manufacturing Science and Engineering, Paper No. 21127, October 8-11, 2006, Ypsilanti, MI.

2005

  • T. Özel and Y. Karpat, "Predictive Modeling of Surface Roughness and Tool Wear in Hard Turning Using Regression and Neural Networks," International Journal of Machine Tools and Manufacture, 2005, Vol. 45, pp. 467-479. Ranked #1 at the Top 10 Cited List-Last Five Years by Scopus.

  • T. Özel, T-K. Hsu and E. Zeren, "Effects of Cutting Edge Geometry, Workpiece Hardness, Feed Rate and Cutting Speed on Surface Roughness and Forces in Finish Turning of Hardened AISI H13 Steel", International Journal of Advanced Manufacturing Technology, 2005, Vol. 25, pp. 262-269.

  • Y. Karpat, E. Zeren and T. Özel, “Workpiece Material Model Based Predictions for Machining Processes,” Transactions of NAMRI/SME, Vol. 33, 2005, pp. 413-420. Nominated for the Best NAMRI Paper Award.

  • Y. Karpat and T. Özel, “Hard Turning Optimization Using Neural Network Modeling and Swarm Intelligence,” Transactions of NAMRI/SME, Vol. 33, 2005,  pp. 179-186.

  • Y. Karpat and T. Özel*, “An Analytical-Thermal Modeling Approach for Predicting Forces, Stresses and Temperatures in Machining with Worn Tools,” Proceedings of IMECE’05, 2005 ASME International Mechanical Engineering Congress & Exposition, Paper No. 81036, Orlando, Florida, November 5-11, 2005.

  • T. Özel* and E. Zeren, “Finite Element Modeling of Stresses Induced by High Speed Machining with Round Edge Cutting Tools,”  Proceedings of IMECE’05, 2005 ASME International Mechanical Engineering Congress & Exposition, Paper No. 81046, Orlando, Florida, November 5-11, 2005.

  • T. Özel* and E. Zeren, “Finite Element Method Simulation of Machining of AISI 1045 Steel With A Round Edge Cutting Tool,”  Proceedings of 8th CIRP International Workshop on Modeling of Machining Operations, Chemnitz, Germany May 10-11, 2005, pp. 533-542, Best Paper Award.

Patents

  • T. Özel, T. Thepsonthi, N. Milesi “Polymer-Based Micro-Needle Array Design and Fabrication for Drug Delivery”
    U.S. Application serial number 13/654,324, October 2012.