Morphology and competitive growth during the development of the parallel lamellar structure by self-seeding in directionally solidified Ti-50Al-4Nb alloy
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- 作者：Guohuai Liu ; liugh@ral.neu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Tianrui Li ; Tianliang Fu ; Haitao Liu ; Xiangtao Deng ; Jiadong Li ; Zhaodong Wang ; Guodong Wang
- 关键词：TiAl alloy ; Directional solidification ; Lamellar orientation ; Competitive growth ; Seeding process
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：682
- 期：Complete
- 页码：601-609
- 全文大小：3662 K
文摘
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The non-preferred crystal has the tilting and asymmetry growth morphology.
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The competitive process depends on the growth morphology and the orientation relationship.
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The non-preferred growth advantage is analyzed for the converging and diverging growth.
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The competitive process at the different growth rates is obtained by multi-direction cutting.
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The parallel columnar crystals with the parallel lamellar can be achieved by self-seeding process.
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