Interfacial reaction and microstructure investigation of TC4/V/Cu/Co/316L diffusion-bonded joints
作者： Yongjian Fang , Xiaosong Jiang , Tingfeng Song , Defeng Mo , Zhiping Luo
DOI: 10.1016/J.MATLET.2019.06.032
关键词: Joint (geology) 、 Ductility 、 Composite material 、 Materials science 、 Microstructure 、 Ultimate tensile strength 、 Solid solution strengthening 、 Diffusion welding 、 Titanium alloy 、 Solid solution
摘要: Abstract Diffusion welding of TC4 titanium alloy and 316L stainless steel with V/Cu/Co multi-layer metal interlayer was carried out at 800 °C, 840 °C, 880 °C 920 °C, respectively. The results show that the maximum tensile strength joint is 292 MPa when temperature due to solid solution strengthening effect. A thin Cu-Co formed copper-cobalt interface, which caused joints break different temperatures. With increase temperature, increases first then decreases. In addition, dimples sizes shapes are distributed indicates has good ductility.
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