Insights into formation and stability of τ-MnAlZx (Z = C and B)
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- 作者：Hailiang Fanga ; hailiang.fang@kemi.uu.se" class="auth_mail" title="E-mail the corresponding author ; Johan Cedervalla ; Francisco Javier Martinez Casadob ; Zdenek Matejb ; Jozef Bednarcikc ; Jonas Å ; ngströ ; ma ; Pedro Berasteguia ; Martin Sahlberga
- 关键词：Phase transition ; Thermal analysis ; In situ ; Powder diffraction ; Phase stability ; Permanent magnet
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：25 January 2017
- 年：2017
- 卷：692
- 期：Complete
- 页码：198-203
- 全文大小：1129 K
文摘
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The MnAl ε → τ phase transition studied by in situ synchrotron X-ray diffraction.
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A cooling rate of 10 °C/min yields pure τ-phase when cooled from high temperature.
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No intermediate ε’-phase was observed during the ε-τ-phase transition process.
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C doping stabilizes the τ-phase whereas B doping destabilises the τ-phase.