Plasma welding of high-strength aluminum alloys-Reference-Cited by-同舟云学术

Plasma welding of high-strength aluminum alloys

Published:2020-07-16 Issue:7 Volume:2020 Page:3-11
ISSN:2223-4608
Container-title:Science intensive technologies in mechanical engineering
language:en
Short-container-title:

Author:

Ovchinnikov Viktor¹,Rastopchin Ruslan¹

Affiliation:

1. Moscow Polytechnic University

Abstract

On the analysis basis of trends in the development of aluminum alloy plasma welding it is shown that in most cases for critical structures there is used welding with a non-consumable electrode on reversed polarity with adding wire material. A welding method with a hollow anode to increase non-consumable tungsten electrode durability is described. It is shown that to increase quality of welded joints in aluminum-lithium alloys the application of plasma-forming gas programmable pulse feed has promising outlooks. In this case side by side with the decrease of such defects as pores and oxide films the obtaining of more fine-grained structure in metal seams is marked.

Publisher

Bryansk State Technical University BSTU

Reference9 articles.

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