Abstract
Resistance sintering performance of copper powder mixed with alumina particles was examined, including effect of post-electrification pressing. Simultaneous joining of the composites to a SUS304 stainless steel disk and forming in the sinter process were also attempted from the standpoint of effective use of the heat and pressure. Results obtained were summarized as follows: (1) green compacts containing alumina particle up to 40 mass% were able to be resistance-sintered, and the post-electrification pressing increased the density of the sintered compacts, (2) the simultaneous joining of the composites to the stainless steel was successfully performed when heat input was sufficient, and the post-electrification pressing operated to increase the bond strength, and (3) the simultaneous forming of the composite was possible when the green compact was sufficiently heated under low pressure.
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