Effect of Fabricating Parameters on the Si Cp Distribution State in Si Cp/Al Composites by Powder Metallurgy
Fan Jianzhong Yao Zhongkai ( Harbin Institute of Technology) Guo Hong Li Yichun Shi L ikai Zhang Shaoming ( General Research Institute for Non- ferrous Metals)
Effect of fabricating parameters on the Si Cp distribution state in Si Cp/ Al com- posites by powder metallurgy was investigated systematically at both macro- and micro- mixed le- vels.The results showed that the good macro- blending mixture was easily obtained during pow- ders mixing procedure,however,the micro- blending degree of the mixture was comparatively bad.And there was the best mixing time during the dry mixing operation.And the extrusion procedure much improved the micro- blending degree of Si C particles.
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