NDLI: Numerical simulation of thermal behavior during laser direct metal deposition

Content Provider	Springer Nature Link
Author	Zhu, Gangxian Zhang, Anfeng Li, Dichen Tang, Yiping Tong, Zhiqiang Lu, Qiaopan
Copyright Year	2011
Abstract	To discuss the influence of thin-walled blade’s curvature change and accumulating layer number on the temperature field distribution in laser direct metal deposition and obtain a uniform thickness of a thin-walled blade, the temperature field distribution was calculated by numerical simulation. The thin-walled blade’s curvature change and accumulating layer number can be studied, respectively. The effect of accumulating layer number on temperature field distribution was studied by thin wall; the effect of curvature change on temperature distribution was investigated by thin-walled rings with different curvatures. The numerical results show that the molten pool temperature of the thin wall increases with the layer number, and the molten pool temperature of thin-walled ring increases with the its curvature. The rules of laser power changing with the layer number and curvature in the processing of the thin-walled blade can be obtained by simulation when keeping molten pool temperature stable. According to the numerical results, the thin-walled blades were fabricated by experiments. The experimental results show that the laser power should be changed with the layer number and curvature if a uniform thickness of the blade can be obtained, which is in agreement with the numerical simulation.
Starting Page	945
Ending Page	954
Page Count	10
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	55
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-01-20
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Laser direct metal deposition Thin-walled part Curvature change Numerical simulation Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design Production/Logistics/Supply Chain Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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