Features of welded joints based on zirconium-niobium alloy

被引：0
|
作者：
Gareev I.S. [1 ]
Sobko S.A. [1 ]
Smirnov Y.G. [1 ]
Pisarev M.C. [1 ]
Lezhnev D.N. [1 ]
Ageev K.A. [1 ]
机构：
[1] Federal State Unitary Enterprise, The Academician E.I. Zababakhin All-Russian Scientific Research Institute of Technical Physics, Snezhinsk
来源：
Welding International | 2020年 / 34卷 / 1-3期
关键词：
argon-arc welding; electron-beam welding; laser welding; titanium alloy; Weldability; zirconium alloy;
D O I：
10.1080/09507116.2021.1921388
中图分类号：
学科分类号：
摘要：
The research results of the weldability evaluation and the development of technology for electron-beam, laser, and argon-arc welding of zirconium alloy are presented. The weldability of zirconium alloy with titanium alloy OT4 at EBW is studied. Optimum parameters of welding modes, which allow obtaining high-quality welded joints with a complete fusion without internal defects, are determined. A comparative analysis of the welding method influence on the properties of welded joints is performed through the use of a set of analytical methods of investigation (metallography, microhardness measuring and fractography). The advantages of EBS are shown. The research results allow to recommend zirconium and alloys based on it as a constructional material for the production of welded structures with through seams and strength of joints of at least 90 % of the strength of the base metal. © 2021 Informa UK Limited, trading as Taylor & Francis Group.
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页码：119 / 124
页数：5
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