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Welding procedure research of zirconium tube-to-tubesheet
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Abstract
The welding characteristics of zirconium tube-to-tubesheet, the joint structure and quality influencing factors are analyzed in the paper. The automatic pulsed GTAW procedure are formulated and examined by welding sample test. The tube-to-tubesheet procedure is qualified by joint surface inspection, joint sections observation, height measurement of the weld metal and metallographic examination. It has the great significance of the successful welding procedure qualification to guide the actual manufacture of R60702 zirconium heat exchanger.
Title: Welding procedure research of zirconium tube-to-tubesheet
Description:
Abstract
The welding characteristics of zirconium tube-to-tubesheet, the joint structure and quality influencing factors are analyzed in the paper.
The automatic pulsed GTAW procedure are formulated and examined by welding sample test.
The tube-to-tubesheet procedure is qualified by joint surface inspection, joint sections observation, height measurement of the weld metal and metallographic examination.
It has the great significance of the successful welding procedure qualification to guide the actual manufacture of R60702 zirconium heat exchanger.
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