Composite material for metallic mold and its manufacture by powder metallurgy
专利汇可以提供Composite material for metallic mold and its manufacture by powder metallurgy专利检索，专利查询，专利分析的服务。并且PURPOSE: To manufacture the titled material having superior heat conductivity, strength at high temp., seizing wear resistance, etc. by uniformly mixing Ni powder with ≥1 kind of powder selected from powders of W, Mo, WC and Mo
2 C, preliminarily molding the mixture, and compacting the preliminarily molded body.
CONSTITUTION: Ni powder is uniformly mixed with ≥1 kind of powder selected from powders of W, Mo, WC and Mo
2 C so as to make the final Ni content 96W 2vol%. The mixture is preliminarily molded by pressing, or it is reduced under heating in a vacuum or hydrogen and preliminarily molded by pressing. The preliminarily molded body is put in a capsule, and after evacuating and sealing the capsule, the body is compacted with a hot hydrostatic press at 980W1,450°C under pressure to manufacture a composite material for a metallic mold. This material has high heat conductivity, a low coefft. of thermal expansion, superior strength at high temp., thermal impact resistance and seizing wear resistance.
COPYRIGHT: (C)1983,JPO&Japio，下面是Composite material for metallic mold and its manufacture by powder metallurgy专利的具体信息内容。
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