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Study of Transient Liquid-phase Bonding Process for Dissimilar Steel Tube of 12Cr2MoV and TP304H

Zeng Gao

Abstract

Bainite 12Cr2MoV heating-resistant steel pipes and austenite TP304H stainless steel pipes were joined by transient liquid-phase bonding process using Fe and BNi2 foil as interlayer in argon atmosphere. The mechanical properties, microstructure and fracture morphology were analyzed and the technology parameters were achieved. The results show that the tensile strength and bend strength of the joint at room temperature is equal to or exceed that of base metal with appropriate parameters.

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Available abstract

Key concepts: Materials science, Microstructure, Metallurgy, Bainite, Ultimate tensile strength, Composite material, Austenite, Base metal