Experimental Analysis of Thermal Fatigue in Bimetallic Welds

Abstract:

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The bimetallic weld joints are widely utilized in the pressurized water reactors, boiling water reactors, heat exchangers in process industries, heat transport piping system utilized in nuclear plants, etc. The present study is aimed at analyzing the bimetallic weld strength degradation due to thermal fatigue. For generating thermal fatigue like conditions, an experimental test rig has been developed. The bimetallic weld between low alloy steel SA 516 grade 70 and stainless steel 304 L was prepared. The experimental results show that, heating time, notch radius and number of cycles have the effect on tensile properties of bimetallic welds.

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Periodical:

Edited by:

Mohd Hamdi Abdul Shukor and Hao Gong

Pages:

124-127

DOI:

10.4028/www.scientific.net/MSF.880.124

Citation:

H. K. Aggarwal et al., "Experimental Analysis of Thermal Fatigue in Bimetallic Welds", Materials Science Forum, Vol. 880, pp. 124-127, 2017

Online since:

November 2016

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