2004•Transactions of the China Welding InstitutionRequires access

Microstructure feature analysis of activating TIG welded joint

Liming Liu

Abstract

The effect of activating fluxes with single component TiO_2 on weld form in tungsten inert-gas(TIG) welding of magnesium alloy is studied. The experimental results show that the penetration is more than 2 times compared to the conventional TIG welding. Compared with weld made without flux the penetration increases, and the width decreases. The flux developed has no effect on the microstructure.

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Key concepts: Gas tungsten arc welding, Welding, Tungsten, Materials science, Microstructure, Inert gas, Penetration (warfare), Metallurgy