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Role of samarium additions on the shape memory behavior of iron based alloys

✍ Scribed by R.A. Shakoor; F. Ahmad Khalid; Kisuk Kang

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 717 KB
Volume: 528
Category: Article
ISSN: 0921-5093
DOI: 10.1016/j.msea.2010.11.008

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✦ Synopsis

The effect of samarium contents on shape memory behavior of iron based shape memory alloys has been studied. It is found that the strength of the alloys increases with the increase in samarium contents. This effect can be attributed to the solid solution strengthening of austenite by samarium addition. It is also noticed that the shape memory effect increases with the increase in samarium contents. This improvement in shape memory effect presumably can be regarded as the effect of improvement in strength, increase in c/a ratio and obstruction of nucleation of ␣ in the microstructure.

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