Effect of second-phase particles on shape memory in Fe-Mn-Si-based alloys

Stanford, N. and Dunne, D.P. 2007, Effect of second-phase particles on shape memory in Fe-Mn-Si-based alloys, Materials science and engineering A : structural materials : properties, microstructures and processing, vol. 454-455, pp. 407-415.


Title Effect of second-phase particles on shape memory in Fe-Mn-Si-based alloys
Author(s) Stanford, N.
Dunne, D.P.
Journal name Materials science and engineering A : structural materials : properties, microstructures and processing
Volume number 454-455
Start page 407
End page 415
Publisher Elsevier S.A.
Place of publication Lausanne, Switzerland
Publication date 2007-04-25
ISSN 0921-5093
1873-4936
Keyword(s) Shape memory
Ferrous alloy
Precipitation
Martensite
Summary The shape memory behaviour of two Fe–Mn–Si-based alloys has been investigated. One alloy was a reference alloy, and the other alloy was
similar in composition except that it contained 0.55 wt% Ti. Following solution treatment and quenching, strip samples were subjected to three types
of treatments; isothermal holding, cold rolling followed by isothermal holding, and hot rolling followed by isothermal holding. These treatments
resulted in the formation of intermetallic precipitates in the Ti-containing alloy, while the reference alloy remained precipitate-free. In comparing
the shape memory of the reference and the particle-containing alloy after identical heat treatments, it was found that the formation of precipitates
had a beneficial effect on the shape memory in all cases. In general, the larger precipitates caused a larger increase in the shape memory. The effect
of particle size on shape memory has been analysed using the current data and published results for a range of precipitate types.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2006, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025892

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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