Finite element simulation of thermal stress distribution in direct metal laser sintering

SHEN Xian-feng; WANG Yang; YAO Jin; WANG Fa-gen; YANG Jia-lin

Taking into account temperature-dependent thermal conduction and heat capacity,a three-dimensional transient finite element model was established.A sequentially analysis of coupled thermal-stress was employed.Some conclusions related to the simulation results are made:maximum thermal stress lessens with sintering going on owing to effect of sintered region;the region ahead of sintering has greater stress distribution than behind.

Corresponding author: YAO Jin, jinyao163@163.com;

1. School of Manufacture Science and Engineering, Sichuan University, Chengdu 610065, China;

2. Institute of Machinery Manufacturing Technology, China Academy of Engineering Physics, Mianyang 621900, China

Received Date: 2004-07-30

Accepted Date: 2004-09-08

Available Online: 2005-07-25

Abstract: Taking into account temperature-dependent thermal conduction and heat capacity,a three-dimensional transient finite element model was established.A sequentially analysis of coupled thermal-stress was employed.Some conclusions related to the simulation results are made:maximum thermal stress lessens with sintering going on owing to effect of sintered region;the region ahead of sintering has greater stress distribution than behind.

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Reference (10)

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Finite element simulation of thermal stress distribution in direct metal laser sintering

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References

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通讯作者: 陈斌, bchen63@163.com

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