A review on machining of NiTi shape memory alloys: the process and post process perspective

被引:0
作者
Eren Kaya
İrfan Kaya
机构
[1] Eskisehir Technical University,Department of Mechanical Engineering
来源
The International Journal of Advanced Manufacturing Technology | 2019年 / 100卷
关键词
Machinability; NiTi; Shape memory alloy; Tool wear; Surface integrity; Functional quality;
D O I
暂无
中图分类号
学科分类号
摘要
Nickel–titanium (NiTi) shape memory alloys have gained more prominence due to their functional and mechanical properties. This material undergoes solid-state phase transformation during machining. Together with this, inherent properties of this material result in challenging machinability behaviors such as excessive tool wear, high cutting forces, and degraded surface integrity. Furthermore, unique stress–strain curve of this material complicates predicting machining behaviors. This paper reviews research in the machining of NiTi shape memory alloys carried out over the last 20 years with the objective of assessing overall machinability characteristics. It is concluded that functional properties and machinability responses of NiTi are very sensitive to machining parameters and environment. Machinability rate of NiTi should be assessed not only by usual machinability measures (i.e., tool wear, cutting forces, surface integrity) but also by considering post machining functional behaviors.
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页码:2045 / 2087
页数:42
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