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Great efforts have been made in brazing high-strength α–β titanium alloys below their beta-phase transformation temperature in order to obtain optimized mechanical properties. The brazing temperature of the cold roll-bonded Ti–20Zr–20Cu–20Ni foil is roughly 70 °C lower than that of Ti–15Cu–15Ni filler metal. Moreover, the detrimental Cu–Ni and Cu–Ni–Zr rich Ti phases can be greatly reduced or eliminated...
Microstructural evaluations of the infrared brazed Ti-15-3 alloy have been performed on as-brazed and post-brazing annealed samples. Microstructures of as-brazed joints consist of a Ti-rich phase alloyed with higher Cu and Ni content, a Ti-rich phase with lower Cu and Ni, and eutectoid two-phase structures. Post-brazing annealing modified the joint microstructure and the resulting microstructures...
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