对Fe-15Mn-5Si-9Cr-5Ni-0.5Ti形状记忆合金的组织和性能进行了研究.合金经由小变形量压缩(3%)之后在873K下退火处理15min,反复处理5个循环.用光学显微镜(OM)和透射电子显微镜(TEM)对其显微组织进行了研究.在5次训练过后,合金可回复应变由1.26%上升至1.8%.在训练过程中逐渐析出TiC颗粒,直径大约100～150nm,对记忆效应有良好的作用.
参考文献
| [1] | Sato A;Chishima E;Soma K et al.Shape memory effect in γ→ε transformation in Fe-30Mn-1Si alloy single crystals[J].Acta Metalhrgica,1982,30(06):1177-1183. |
| [2] | Stanford N;Dunne DP .Effect of NbC and TiC precipitation on shape memory in an iron-based alloy[J].Journal of Materials Science,2006(15):4883-4891. |
| [3] | Qingping Meng;Yonghua Rong;Shipu Chen .The relationship of the volume fraction of martensite vs. plastic strain in an Fe-Mn-Si-Cr-N shape memory alloy[J].Materials Letters,2001(5/6):328-332. |
| [4] | N. Stanford;D.P. Dunne .Effect of second-phase particles on shape memory in Fe-Mn-Si-based alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(0):407-415. |
| [5] | Watanabe Y;Moil Y;Sato A .Training effect in Fe-Mn-Si shapememory alloys[J].Journal of Materials Science,1993,28:1509-1514. |
| [6] | Van Caenegem, N;Duprez, L;Verbeken, K;Segers, D;Houbaert, Y.Stresses related to the shape memory effect in Fe-Mn-Si-based shape memory alloys[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,2008:183-189. |
| [7] | Orgéas L;Favier D .Stress-induced matensitic transformation of a NiTi alloy in isothermal shear,tension and compression[J].Acta Metallurgica,1998,46(15):5579-5591. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%