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发明公开
CN105506392A 牙科用的铸造用坯锭材、粉末冶金用金属粉末、金属部件及修复物 有权

牙科用的铸造用坯锭材、粉末冶金用金属粉末、金属部件及修复物
摘要：
提供铸造时的熔液流动性优良的牙科用的铸造用坯锭材、能够制造上述的牙科用的铸造用坯锭材的粉末冶金用金属粉末、使用所述牙科用的铸造用坯锭材来制造的牙科用金属部件、以及使用所述牙科用金属部件制造的牙科用修复物。牙科用的铸造用坯锭材(1)作为原料供铸造使用，从而用于铸造牙科用金属部件。作为构成牙科用的铸造用坯锭材(1)的合金，是如下合金：Co是主成分，按26质量％以上35质量％以下的比例包含Cr，按5质量％以上12质量％以下的比例包含Mo，按0.3质量％以上2.0质量％以下的比例包含Si。而且，牙科用的铸造用坯锭材(1)由金属粉末的烧结体构成，相对密度是92％以上99.5％以下。
摘要（英）：

Provided is a dental casting billet material having excellent melt fluidity during casting, a metal powder for powder metallurgy capable of producing the dental casting billet material, a dental metal component produced by using the dental casting billet material, and a dental prosthesis produced by using the dental metal component. The dental casting billet material (1) is taken as a raw material for casting the dental metal component. An alloy forming the dental casting billet material (1) includes: Co as a main component; Cr in a proportion of 26% by mass or more and 35% by mass or less; Mo in a proportion of 5% by mass or more and 12% by mass or less; and Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein the billet material (1) is formed from a sintered body of a metal powder, and the billet material has a relative density of 92% or more and 99.5% or less.

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