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Production of powder metallurgical parts by formation of sintered preforms in thermally degradable molds
Production of powder metallurgical parts by formation of sintered preforms in thermally degradable molds
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机译:通过在可热降解的模具中形成烧结的预成型坯来生产粉末冶金零件
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摘要
Metal particles are intimately mixed with at least about 1.5 wt. percent of an organic binder. The mixture is poured into a thermally degradable mold and heated to above sintering temperature to form a preform useful for hot forging. The mold provides integrity for the packed particles until the organic compounds carbonize, which in turn effect sufficient bonding until the particles actually sinter together.
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