Experimental study on stress concentration of nickel-base superalloy at elevated temperatures with an in situ SEM system
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- 作者：Chuanwei Lia ; licw16@tju.edu.cn" class="auth_mail" title="E-mail the corresponding author ; ipray1982@163.com" class="auth_mail" title="E-mail the corresponding author ; Huimin Xieb ; xiehm@mails.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhanwei Liuc ; Shibin Wanga ; Linan Lia
- 关键词：High temperature ; SEM ; Grid method ; Stress concentration ; 3D measurement
- 刊名：Mechanics of Materials
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：103
- 期：Complete
- 页码：87-94
- 全文大小：3011 K
文摘
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Stress concentration phenomenon of nickel-base superalloy was investigated with an SEM in situ system at elevated temperatures.
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3D deformation of the stress concentration area of a U-notch sample was measured.
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Dual frequency grid pattern that can be used at the temperature up to 650 °C was fabricated to realize the measurement at various scales.