Properties and Application of Iron-based Shape Memory Alloy

The properties of FeMnSiCrNi shape memory alloy were investigated. The results show that the best shape memory effect of Fel4Mn6Si9Cr5Ni alloy is 85%. The transformation amount of the ε→γ transformation is not complete after heating the alloy to 1000 K, As and Af points drop with increased transformation enthalpy ( △Hγ→ε) by thermal cycling and increased prestrain. The alloy shows also good creep and stress relaxation resistance. In addition, the alloy having a tensile force of 20 kN and a sealing pressure of 6 MPa can satisfy requirements for possible industrial application on pipe joints.

作 者： LI Jian-chen Jiang Qing Dai Jun   作者單位： LI Jian-chen,Jiang Qing(Key Laboratory of Automobile Materials (Ministry of Education, China), Jilin University, Changchun 130022, P. R. China)

Dai Jun(Changchun Institute of Product Quality Inspection and Supervision, Changchun 130012, P. R. China) 

刊 名： 仿生工程學(xué)報(bào)（英文版）  SCI 英文刊名： JOURNAL OF BIONICS ENGINEERING  年，卷(期)： 2005 2(2)  分類號(hào)： Q81 TB17  關(guān)鍵詞： composite materials   Iron-based shape memory alloy   shape memory effect   application  

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