A new method for manufacturing hollow valves via cross wedge rolling and forging: Numerical analysis and experiment validation
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- 作者：Hongchao Ji ; Jinping Liu ; liujp@ustb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; jhustb13@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Baoyu Wang ; bywang@ustb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Xiaobin Fu ; Wenchao Xiao ; Zhenghuan Hu
- 关键词：Hollow valve ; Cross wedge rolling-forging ; 4Cr9Si2 ; Finite element analysis
- 刊名：Journal of Materials Processing Technology
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：240
- 期：Complete
- 页码：1-11
- 全文大小：4299 K
文摘
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A new method for producing hollow valves is presented.
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The research consists of experiment and finite element simulation.
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The mechanism of material flow, temperature distribution, strain and rolling force are analyzed.
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The method has many advantages in comparison to traditional hollow valves.