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题名: Numerical simulation of transient thermal stress field for laser metal deposition shaping
作者: Long RS(龙日升) ; Liu WJ(刘伟军)
作者部门: 先进制造技术研究室
会议名称: 1st International Symposium on Digital Manufacture
会议日期: October 15-17, 2006
会议地点: Wuhan, China
会议主办者: Int Inst Prod Engn Res, Chinese Mech Engn Soc, Natl Nat Sci Fdn China, Hong Kong Polytechn Univ, Wuhan Univ Technol, Hubei Digital Mfg Key Lab, Natl Soc Intelligent Mfg
会议录: Journal of Wuhan University of Technology, SUPPL. 1
会议录出版者: WUHAN UNIV TECHNOLOGY PRESS
会议录出版地: WUHAN
出版日期: 2006
页码: 1025-1030
收录类别: CPCI(ISTP) ; EI
ISSN号: 1671-4431
关键词: LMDS ; FEA ; transient thermal stress field ; numerical simulation
摘要: To decrease thermal stress during laser metal deposition shaping (LMDS) process, it is of great importance to learn the transient thermal stress distribution regularities. Based on the "element life and death" technique of finite element analysis (FEA), a three-dimensional multi-track and multi-layer numerical simulation model for LMDS is developed with ANSYS parametric design language (APDL) for the first time, in which long-edge parallel reciprocating scanning paths is introduced. Through the model, detailed simulations of thermal stress during whole metal cladding process are conducted, the generation and distribution regularities of thermal stress are also discussed in detail. Using the same process parameters, the simulation results show good agreement with the features of samples which fabricated by LMDS.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8250
Appears in Collections:工业信息学研究室_先进制造技术研究室_会议论文

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