Characteristics of dissimilar laser-brazed joints of isotropic graphite to WC–Co alloy
作者： Kimiaki Nagatsuka , Yoshihisa Sechi , Yoshinari Miyamoto , Kazuhiro Nakata
DOI: 10.1016/J.MSEB.2011.12.014
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摘要: Abstract The effect of Ti serving as an activator in a eutectic Ag–Cu alloy filler metal dissimilar laser-brazed joints isotropic graphite and WC–Co on the joint strength interface structure is investigated this study. To evaluate characteristics, content was increased from 0 to 2.8 mass%. laser brazing carried out by irradiating beam selectively plate Ar atmosphere. threshold required join 0.4 mass%. shear at brazed rapidly with increasing up 1.7 mass%, higher found be likely saturate constant value about 14 MPa. blocks also fractured content. concentration observed between indicates formation intermetallic layer TiC.
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