The Joining of Copper to Stainless Steel by Solid-State Welding Processes: A Review

Joining immiscible materials such as copper and stainless steel together is a significant concern due to distinct mechanical and metallurgical properties across the joint line, such as melting points, the coefficient of linear thermal expansion, and thermal conductivity. The joint properties of copp...

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Bibliographic Details
Published in:	Materials Vol. 15; no. 20; p. 7234
Main Authors:	Joshi, Gaurang R, Badheka, Vishvesh J, Darji, Raghavendra S, Oza, Ankit D, Pathak, Vivek J, Burduhos-Nergis, Dumitru Doru, Burduhos-Nergis, Diana Petronela, Narwade, Gautam, Thirunavukarasu, Gopinath
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 17-10-2022 MDPI
Subjects:	Alloys Copper Corrosion resistance dissimilar Dissimilar metals Equipment and supplies explosive Heat conductivity Heat exchangers Heating High vacuum Joining Linear accelerators Mechanical components Melting points Metallurgy Nickel Physical properties Pressure welding R&D Research & development Review Solidification Solids Stainless steel Stainless steels Thermal conductivity Thermal expansion Viscosity Welded joints welding India explosive diffusion welding stainless steel review copper intermixing processing solubility dissimilar
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Summary:	Joining immiscible materials such as copper and stainless steel together is a significant concern due to distinct mechanical and metallurgical properties across the joint line, such as melting points, the coefficient of linear thermal expansion, and thermal conductivity. The joint properties of copper to stainless steel welds are in great demand for various mechanical components of the international thermonuclear experimental reactor, ultra-high vacuum system, plan wave linear-accelerator or linac structure, and heat exchanger. These dissimilar-metals joints offer excellent flexibility in design and production, leading to a robust structure for many cutting-edge applications. Hence, the present article reviews the copper to stainless steel joining mechanism under different solid-state processing conditions. The present understanding says that defect-free strong joints between the dissimilar metals are systematically possible. Apart from this understanding, the authors have identified and highlighted the gaps in the research exploration to date. Moreover, a sustainable methodology to achieve a desirable weld of copper to stainless steel depends on favorable processing conditions.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 ObjectType-Review-3 content type line 23
ISSN:	1996-1944 1996-1944
DOI:	10.3390/ma15207234