INTERFACE REACTION OF JOINT Al2O3/(Ag72Cu28)97Ti3/Ti-6Al-4V

Abstract

Abstract: Ceramic Al2O3 is bonded with Ti-6Al-4V using (Ag72Cu28)97Ti3 as filler metal at the bonding temperature of 1 073~1 173 K for 1.8 ks．The interface reaction products of joint are investigated by scanning electron microscopy(SEM)，X-ray diffraction(XRD) and energy dispersive spectroscopy (EDS)．So the interface structure is given．The formative conditions of these reaction products are also studied．It has been found that the interface structure of diffusion-bonded joints bonded under 1 123 K is Al2O3/Cu2Ti4O/ Cu4Ti3 + Cu solid solution /Ag-Cu eutectic + rich Ag phase．At the temperature of 1 173 K the interface structure is Al2O3/Cu3TiO5+ CuAl2O4/ Cu4Ti3/rich Ag phase + Cu4Ti3．

Key words: Brazing, Ceramic, Interface structure, Ti-6Al-4V

CLC Number:

TG454

Yu Zhishui;Wu Mingfang;Qi Kai;Wang Fengjiang. INTERFACE REACTION OF JOINT Al2O3/(Ag72Cu28)97Ti3/Ti-6Al-4V[J]. , 2002, 38(2): 31-34.

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INTERFACE REACTION OF JOINT Al2O3/(Ag72Cu28)97Ti3/Ti-6Al-4V

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