The microstructure, martensite transformation behavior, thermal stability and shape memory behavior of Ti–20Zr– 10Ta high temperature shape memory alloy were investigated. The Ti–20Zr–10Ta alloy exhibited a reversible transformation with the high martensite transformation temperature of 500oC and good thermal stability. The alloy displayed the elongation of 15% and a maximum recovery stain of 5.5% with 8% pre-strain.
【英文摘要】
The microstructure, martensite transformation behavior, thermal stability and shape memory behavior of Ti–20Zr– 10Ta high temperature shape memory alloy were investigated. The Ti–20Zr–10Ta alloy exhibited a reversible transformation with the high martensite transformation temperature of 500oC and good thermal stability. The alloy displayed the elongation of 15% and a maximum recovery stain of 5.5% with 8% pre-strain.
【基金】
Project supported by the National Natural Science Foundation of China(Grant Nos.51071059 and 51271065);
the National Basic Research Program of China(Grant No.2012CB619400)
【更新日期】
2014-05-07
【分类号】
TG139.6
【正文快照】
1.IntroductionA few high temperature shape memory alloys(HTSMAs)have been studied in recent years,such as Ti–Ni–X(X=Hf,Zr,Pt)alloys,Ni–Mn–X(X=Ga,In)-based and Ni-free Ti-based(Ti–Ta,Ti–Nb,Ti–Mo)alloys.[1–7]However,thoseHTSMAs mentioned above exhib
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