Microstructure and Mechanical Properties of Braze Welded Joints of Copper with Austenitic Steel Made by CMT Method

This paper outlines issues associated with gas-shielded braze welding of CU-ETP copper with austenitic steel X5CrNi18-10 (1.4301) using a consumable electrode. The possibilities for producing joints of this type using innovative low-energy welding methods are discussed. The paper provides an overvie...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2019-01, Vol.64 (4), p.1411-1420
Main Authors: Wojdat, T., Kustroń, P., Margielewska, A., Stachowicz, M.
Format: Article
Language:English
Subjects:
arc welding-brazing
Argon
Austenitic stainless steels
Braze welding
Brazed joints
cmt method
Cold welding
Copper
dissimilar joints
Mechanical properties
Microhardness
Shear tests
Shielding
Welded joints
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Summary:This paper outlines issues associated with gas-shielded braze welding of CU-ETP copper with austenitic steel X5CrNi18-10 (1.4301) using a consumable electrode. The possibilities for producing joints of this type using innovative low-energy welding methods are discussed. The paper provides an overview of the results of metallographic and mechanical (static shear test, microhardness) tests for braze welded joints made on an automated station using the Cold Metal Transfer (CMT) method. Significant differences in the structure and mechanical properties are indicated, resulting from the joint configuration and the type of shielding gas (argon, helium).
ISSN:2300-1909
1733-3490
2300-1909
DOI:10.24425/amm.2019.130108