Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1500313 | Scripta Materialia | 2010 | 4 Pages |
Abstract
A large temperature range of stress-induced martensitic transformation with >8% superelastic strain is demonstrated in [1 0 0]-oriented Co49Ni21Ga30 single crystals. The nature of the superelastic response is greatly affected by temperature and test history due to the temperature-dependent dominant microstructural mechanisms. We provide an insight into these mechanisms and divide the response into three temperature stages. Interestingly, a small stress hysteresis of only 2 MPa was achieved after the superelastic experiments at 300 °C compared to 20 MPa of the virgin sample.
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Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
J.A. Monroe, I. Karaman, H.E. Karaca, Y.I. Chumlyakov, H.J. Maier,