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Numerical Simulation of Laser Welding for Different Thickness Aluminum Alloy Plate

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Abstract:

The temperature field and stress field of laser welding were simulated by "ansys" analysis soft of finite element for different thickness aluminum alloy plate. The results show that quasi steady state temperature field were formed after laser act on aluminum alloy plate for a certain time. Because heating volume of thin plate is small than one of thickness plate under the same amount of heat input, thin plate has greater grads of temperature and melting pool size. Distribution law of heat stress is similarity with common melt welding. However. heat stress filed area and its peak value of thin plate is greater than one of thickness plate.

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Periodical:

Advanced Materials Research (Volumes 391-392)

Pages:

642-647

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.642

Citation:

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Online since:

December 2011

Authors:

Tian Yu Zhang, Hua Chen

Keywords:

Different Thick Plate, Laser Welding, Stress Field, Temperature Field

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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