Microstructure and Mechanical Properties of Dissimilar TC4 Titanium Alloy/304 Stainless Steel Joint Using Copper Filler Wire

• Published in: Metallurgical and materials transactions. A, Physical metallurgy and materials science Vol. 50; no. 2; pp. 688 - 703
• Main Authors: Hao, Xiaohu, Li, Peng, Xia, Yueqing, Dong, Honggang, Wang, Pengxiao, Yan, Dejun
• Format: Journal Article
• Language: English
• Published: New York Springer US 15.02.2019; Springer Nature B.V
• Subjects: Animal behavior; Austenitic stainless steels; Characterization and Evaluation of Materials; Chemistry and Materials Science; Chromium; Copper; Ductile-brittle transition; Fracture mechanics; Gas tungsten arc welding; Intermetallic compounds; Iron; Low currents; Materials Science; Mechanical properties; Metallic Materials; Microhardness; Nanotechnology; Silicon; Stainless steel; Structural Materials; Substrates; Surfaces and Interfaces; Tensile strength; Thermophysical properties; Thin Films; Titanium alloys; Titanium base alloys; Welded joints; Welding current; Wire

TC4 titanium alloy was successfully welded to 304 stainless steel using gas tungsten arc welding with a CuSi3 filler wire. The Ti/weld transition zone in the joint consisted of β-Ti, Ti 2 Cu, AlCu 2 Ti, TiCu, and Ti 5 Si 3 intermetallic compounds (IMCs) when welded with low current. As the welding c...