Anisotropic creep damage and fracture mechanism of nickel-base single crystal superalloy under multiaxial stress
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- 作者：Zhixun Wena ; zxwen@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Dongxu Zhanga ; Songwei Lia ; Zhufeng Yuea ; Jingyun Gaob
- 关键词：Nickel-base single crystal superalloy ; Anisotropy of creep ; Fracture morphology ; Multiaxial stress state
- 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：301-312
- 全文大小：4364 K
文摘
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The order of creep lifetime for different orientation is [111]>[011]>[001].
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Fourfold symmetry, double symmetry and threefold symmetry was found in FE result.
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The symmetry was confirmed by fracture morphology.
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The uneven cleavage displayed square-like, rhombus-like and hexagon-like feature.
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Explaining how the cleavage planes formed different features.
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