Elastic Limit of Fe–Pd Alloys Exhibiting Lattice Softening
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概要
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The elastic limit (maximum elastic strain) of Fe–Pd alloys exhibiting a second-order-like martensitic transformation from the face centered cubic structure to the face centered tetragonal structure was investigated by varying the test conditions. The elastic limit decreased from 7.3% to 4.6% as temperature was increased from 240 K to 300 K, a phenomenon that can probably be attributed to the strong temperature dependence of the elastic constant C′. The elastic limit also significantly decreased upon changing the compression direction from [001] to [011] because of the large elastic anisotropy. However, the critical resolved shear stress was only slightly influenced by temperature and the compression direction. The elastic limit of a polycrystalline specimen of the alloy was one order in magnitude smaller than that of its corresponding single crystal.
- The Iron and Steel Institute of Japanの論文
The Iron and Steel Institute of Japan | 論文
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