期刊
SCRIPTA MATERIALIA
卷 63, 期 5, 页码 548-551出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.05.028
关键词
NiMnGa; Martensite; Training; Twinning
类别
资金
- German Research Society (DFG) [Sk 21/22-2, SPP 1239]
The change in microstructure during training of a Ni50Mn29Ga21 bicrystal was investigated by electron backscatter diffraction in a scanning electron microscope The martensitic variants form macro and micro twins which are twin related with each other The twin plane is of type To achieve magnetic field induced strain in Ni-Mn-Ga alloys, a training process was applied This process consists of successively compressing the sample along two axes. As a result the twinning stress is reduced and the twinning strain is maximized (C) 2010 Acta Materialia Inc Published by Elsevier Ltd All rights reserved
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