Cutting Speed Dependent Microstructure and Transformation Behavior of NiTi Alloy in Dry and Cryogenic Machining

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• 作者：Y. Kaynak (1)
  H. E. Karaca (2) (3)
  I. S. Jawahir (2) (3)
  
  1. Department of Mechanical Engineering ; Faculty of Technology ; Marmara University ; Goztepe Campus ; Kadikoy ; 34722 ; Istanbul ; Turkey
  2. Institute for Sustainable Manufacturing (ISM) ; University of Kentucky ; Lexington ; KY ; 40506 ; USA
  3. Department of Mechanical Engineering ; University of Kentucky ; Lexington ; KY ; 40506 ; USA
  
• 关键词：cryogenic machining ; cutting speed ; NiTi shape memory alloys ; phase transformation ; surface integrity
• 刊名：Journal of Materials Engineering and Performance
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：24
• 期：1
• 页码：452-460
• 全文大小：2,075 KB
• 参考文献：1. R. M鈥橲aoubi, J. Outeiro, H. Chandrasekaran, O. Dillon, Jr., and I.S. Jawahir, A Review of Surface Integrity in Machining and Its Impact on Functional Performance and Life of Machined Products, / Int. J. Sustain. Manuf., 2008, 1, p 203鈥?36
  2. I.S. Jawahir, E. Brinksmeier, R. M鈥橲aoubi, D.K. Aspinwall, J.C. Quteiro, D. Meyer, D. Umbrello, and A.D. Jayal, Surface Integrity in Material Removal Processes: Recent Advances, / CIRP Ann. Manuf. Technol., 2011, 60, p 603鈥?26 CrossRef
  3. K. Weinert and V. Petzoldt, Machining of NiTi Based Shape Memory Alloys, / Mater. Sci. Eng. A, 2004, 378, p 180鈥?84 CrossRef
  4. Y. Kaynak, H. Karaca, and I.S. Jawahir, Sustainability Evaluation in Machining of NiTi Shape Memory Alloy, / 1st International Conference on Sustainable Life in Manufacturing (SLIM 2010), 2010 p 40鈥?7
  5. M.C. Kong, D. Axinte, and W. Voice, Challenges in Using Waterjet Machining of NiTi Shape Memory Alloys: An Analysis of Controlled-Depth Milling, / J. Mater. Process. Technol., 2011, 211, p 959鈥?71 CrossRef
  6. Y. Kaynak, H. Karaca, I.S. Jawahir, Cryogenic machining of NiTi shape memory alloy, / 6th International Conference and Exhibition on Design and Production of Machines and Dies/Molds, 2011 p 23鈥?6
  7. Y. Guo, A. Klink, C. Fu, and J. Snyder, Machinability and Surface Integrity of Nitinol Shape Memory Alloy, / CIRP Ann. Manuf. Technol., 2013, 62, p 83鈥?6 CrossRef
  8. M.C. Kong, D. Srinivasu, D. Axinte, W. Voice, J. McGourlay, and B. Hon, On Geometrical Accuracy and Integrity of Surfaces in Multi-Mode Abrasive Waterjet Machining of NiTi Shape Memory Alloys, / CIRP Ann. Manuf. Technol., 2013, 62, p 555鈥?58 CrossRef
  9. Y. Kaynak, H. Tobe, R.D. Noebe, H. Karaca, and I.S. Jawahir, The Effects of Machining on Microstructure and Transformation Behavior of NiTi Alloy, / Scripta Mater., 2014, 74, p 60鈥?3 CrossRef
  10. Y. Kaynak, H.E. Karaca, and I.S. Jawahir, Surface Integrity Characteristics of NiTi Shape Memory Alloys Resulting from Dry and Cryogenic Machining, / Proc. CIRP, 2014, 13, p 393鈥?98 11 CrossRef
  11. Y. Kaynak, H.E. Karaca, R.D. Noebe, and I.S. Jawahir, The Effect of Active Phase of the Work Material on Machining Performance of a NiTi Shape Memory Alloy, / Metall. Mater. Trans. A, 2014, in press
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Characterization and Evaluation Materials
  Materials Science
  Tribology, Corrosion and Coatings
  Quality Control, Reliability, Safety and Risk
  Engineering Design
  
• 出版者：Springer New York
• ISSN：1544-1024

文摘

The effects of cutting speed in cryogenic and dry machining on the surface integrity characteristics (the affected layer, microhardness, transformation response, transformation temperature, and latent heat for transformation) of NiTi shape memory alloys are investigated. It has been found that the cutting speed has remarkable effects on the surface and subsurface properties of machined NiTi alloys. Increased cutting speed results in decreased subsurface hardness and increased latent heat for phase transformation. In general, the depth of affected layers decreases with increased cutting speed in dry and cryogenic machining. Chips show a similar behavior as affected layer in terms of transformation response and microhardness. Cryogenic machining is found to have greater effects on the surface and subsurface properties of the machined work material in comparison with dry machining at all given cutting speeds.