The experiences of activated tungsten inert gas (ATIG) welding allied on 1.4301 type stainless steel plates

Sándor, T. and Dobránszky, János (2007) The experiences of activated tungsten inert gas (ATIG) welding allied on 1.4301 type stainless steel plates. MATERIALS SCIENCE FORUM, 537-38. pp. 63-70. ISSN 0255-5476

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Abstract

The TIG welding has a high disadvantage against the substantially high productivity welding procedures. This is why there were continuously going on several trials to improve the productivity of the TIG welding. The Activated Tungsten Inert Gas welding (ATIG welding) is one of these trials. Application experiments of ATIG welding on austenitic stainless steel plates will be presented. The main problems which appear when using the ATIG welding are the choosing of tungsten electrode, the suggested fitting of parts for the joining, portioning of the activating flux and the sensitivity for the measure of flux. They are extremely important to apply the ATIG welding and the results will be presented by this work. In the second half of this paper the comparison of the productivity differences between TIG and ATIG welding; mechanical properties, microstructure and corrosion resistance of welded joints will continue. Finally the evaluating the results and trying to classify the ATIG welding amongst the modern and most productive welding procedures is detailed. Furthermore advises for using the ATIG welding for suitable applications are represented.

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