“…The results show that the Sn-3.6Ag-1Cu interlayer produces sound joints when a thin coating of Cu was deposited onto the alloy surfaces. Boiko et al showed that the technology of copper coating on steel and niobium coating on titanium in diffusion welding of titanium alloy to stainless steel is prospective [46]. In Zhao et al's study, the hot-roll bonding was carried out in vacuum between titanium alloy and stainless steel using niobium interlayer [47].…”