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Effect of temperature on the wear behavior of NiTi shape memory alloy

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Effect of temperature on the wear behavior of NiTi shape memory alloy
นักวิจัย : Yan, Lina , Liu, Yong
คำค้น : DRNTU::Engineering::Materials::Material testing and characterization
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2557
อ้างอิง : Yan, L., & Liu, Y. (2014). Effect of temperature on the wear behavior of NiTi shape memory alloy. Journal of materials research, 30(2), 186-196. , 0884-2914 , http://hdl.handle.net/10220/24701 , http://dx.doi.org/10.1557/jmr.2014.381
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Journal of materials research
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

This article aims to provide a fundamental understanding of the deformation mechanisms of NiTi shape memory alloy (SMA) during the wear process at different temperatures when different microstructures are present. Three temperature regimes were selected namely, T < Mf, As < T < Af, and T > Af, where fully martensitic, martensite co-existing with austenite, and fully austenitic microstructures were formed, respectively. When T < Mf, it was observed that the coefficient of friction had decreased initially and thereafter stabilized at a lower value with increasing wear cycles. More decrease was found when the temperature was near to As. Furthermore, when tested above Af, the coefficient of friction had decreased more significantly under higher load. Difference in the trend of coefficient of friction at different temperatures is originated from the different deformation mechanisms involved in the wear process, particularly the martensite detwinning process, the stress-induced phase transformation process, and the plastic deformation of martensite.

บรรณานุกรม :
Yan, Lina , Liu, Yong . (2557). Effect of temperature on the wear behavior of NiTi shape memory alloy.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Yan, Lina , Liu, Yong . 2557. "Effect of temperature on the wear behavior of NiTi shape memory alloy".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Yan, Lina , Liu, Yong . "Effect of temperature on the wear behavior of NiTi shape memory alloy."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Yan, Lina , Liu, Yong . Effect of temperature on the wear behavior of NiTi shape memory alloy. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.