Evaluation on Residual Stresses in Thick Titanium Welded Alloys

Hai Yan Zhao; Pu Xie

doi:10.4028/www.scientific.net/MSF.941.1095

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HomeMaterials Science ForumMaterials Science Forum Vol. 941Evaluation on Residual Stresses in Thick Titanium...

Evaluation on Residual Stresses in Thick Titanium Welded Alloys

Abstract:

In this work, both Finite element simulated method and contour method experimental measurement are used to obtain residual stresses of different Titanium welded alloys, the results show that the maximum of the residual stress is mainly related to the internal restraint degree which formed inside of the thickness, the distribution of the residual stress depends primarily on the shape of weld shape. The heating stage plays a major role in relaxing the residual stress in this research. 95% of the residual stress is relieved in the temperature rising period, and about 75% of it is relieved in the temperature rising period when the temperature is above 500°C.

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Periodical:

Materials Science Forum (Volume 941)

Pages:

1095-1098

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.941.1095

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Online since:

December 2018

Authors:

Hai Yan Zhao*, Pu Xie

Keywords:

Contour Method, Electron Beam Welding, Linear Friction Welding, Post Weld Heat Treatment, Residual Stress, X-Ray Diffraction Method

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