Properties and Application of Ironbased Shape Memory Alloy

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Properties and Application of Ironbased Shape Memory Alloy

Li Jian-chen¹, Jiang Qing¹, Dai Jun²

1. Key Laboratory of Automobile Materials (Ministry of Education, China),
Jilin University, Changchun 130022, P.R.China
2. Changchun Institute of Product Quality Inspection and Supervision, Changchun 130012, P. R. China

Received:1900-01-01 Revised:1900-01-01 Online:2005-06-30 Published:1900-01-01
Contact: Li Jian-chen

Abstract

Abstract: The properties of FeMnSiCrNi shape memory alloy were investigated. The results show that the best shape memory effect of Fe14Mn6Si9Cr5Ni alloy is 85%. The transformation amount of the ε→γ transformation is not complete after heating the alloy to 1000 K, A_s and A_fpoints drop with increased transformation enthalpy (ΔH^γ→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.

Key words: Iron-based shape memory alloy, composite materials, shape memory effect, application

Li Jian-chen¹, Jiang Qing¹, Dai Jun². Properties and Application of Ironbased Shape Memory Alloy[J].J4, 2005, 2(2): 69-73.

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Properties and Application of Ironbased Shape Memory Alloy

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