In situ synthesis of TiB whisker reinforcements in the joints of Al2O3/TC4 during brazing
作者： Minxuan Yang , Tiesong Lin , Peng He , Yudong Huang
DOI: 10.1016/J.MSEA.2011.01.035
关键词: Brazing 、 Volume fraction 、 Shear strength 、 Whiskers 、 Whisker 、 Direct shear test 、 Alloy 、 Metallurgy 、 Materials science 、 Microstructure
摘要: Al2O3 ceramic has been successfully joined to Ti–6Al–4V alloy with Ag–Cu–Ti–B mixed powder. The TiB whiskers in the brazing layer were in situ synthesized during brazing. The effects of B content in reactant on the phase composition, microstructure and shear strength of the joints were investigated using SEM, EDS, and shear test. Results indicate that B content in the filler has a great impact upon the microstructure of the joints via exerting an influence on the volume fraction of in situ synthesized TiB whiskers. When the TiB content is …
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