Anomalous behaviors of a single-crystal Nickel-base superalloy over a wide range of temperatures and strain rates
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- 作者：Jianjun Wanga ; Wei-Guo Guoa ; weiguo@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yu Sub ; Ping Zhoua ; Kangbo Yuana
- 关键词：Nickel-base superalloy ; Single crystal ; Temperature ; Strain rate ; Yield strength ; Constitutive model
- 刊名：Mechanics of Materials
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：94
- 期：Complete
- 页码：79-90
- 全文大小：2149 K
文摘
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The DD407 superalloy tested over a wide range of temperatures and strain rates.
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The anomalous peak of flow stress and tension/compression asymmetry observed.
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Temperature-dependent rupture property of the superalloy investigated.
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The strengthening and failure mechanisms discussed.
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A constitutive model developed to account for the experimental observations.