Numerical Simulation Temperature Field of Laser Cladding Titanium Alloy

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Abstract: In order to control the thermal stress of cladding, a numerical simulation of temperature field during multi-track & multi-layer laser metal deposition (LMD) process is developed with ABAQUS based on “element birth and death” technology of FEM. The dynamic variances of temperature field and stress field of forming process are calculated with the energy compensation of interaction between molten pool-powder. The temperature field, temperature gradient, thermal stress field and distribution of residual stress are obtained. The results indicate that although the nodes on different layers are activated at different time, their temperature variations are similar. The temperature gradients of samples are larger near the molten pool area and mainly along z-direction.

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Periodical:

Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen

Pages:

1633-1637

DOI:

10.4028/www.scientific.net/AMM.117-119.1633

Citation:

G. Yang et al., "Numerical Simulation Temperature Field of Laser Cladding Titanium Alloy", Applied Mechanics and Materials, Vols. 117-119, pp. 1633-1637, 2012

Online since:

October 2011

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$35.00

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