TiNi合金在恒应力约束下的不完全相变

1.中国石油大学,材料科学与工程系,北京,102249;海军后勤装备技术研究所,北京,100072

2.中国石油大学,材料科学与工程系,北京,102249

3.中国石油大学,材料科学与工程系,北京,102249

4.中国石油大学,材料科学与工程系,北京,102249

基金项目: 国家自然科学基金(50071037)

Partial transformation of TiNi wires under the constraint of constant stress and two-step recovery strain

利用DSC对预应变TiNi形状记忆合金丝在恒应力约束下的马氏体不完全逆相变进行了研究,发现不完全相变热循环样品在第二次自由态加热过程中出现两步马氏体逆转变和两段应变回复现象.分析认为:经过恒应力约束下的不完全逆相变后,TiNi样品中存在不同的马氏体,在随后的加热过程中先后逆转变,产生两段回复应变.

[1]	Wei ZG.;Miyazaki S.;Sandstrom R. .Shape-memory materials and hybrid composites for smart systems - Part I Shape-memory materials [Review][J].Journal of Materials Science,1998(15):3743-3762.
[2]	Wei ZG.;Miyazaki S.;Sandstrom R. .Shape memory materials and hybrid composites for smart systems - Part II Shape-memory hybrid composites [Review][J].Journal of Materials Science,1998(15):3763-3783.
[3]	Madangopal K;BANERJEE S;LELE S .Thermal arrest memory effect[J].Acta Metallurgica Et Materialia,1994,42:1875-1882.
[4]	Li Y;CUI L S;ZHAO X Q.Martensite deformation in phase transformation of TiNi shape memory alloy under constraint[J].Materials Science Forum,2002(394 - 395):265-268.
[5]	Piao M;OTSUKA K;MIYAZAKI S et al.Mechanism of the Astemperature increase by predeformation in thermoelastic alloys[J].Materials Transactions,1993,34:919-929.
[6]	Lin H C;WU S K .Determination of heat of transformation in a cold-rolled martensitic TiNi alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1993,24A:293-299.
[7]	Yanjun ZHENG,Lishan CUI+,Fan Zhang,Dazhi YANG.Effects of Predeformation on the Reverse Martensitic Transformation of TiNi Shape Memory Alloy[J].材料科学技术学报(英文版),2000(06):611-614.

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