The performance, role, potential value and application ways of heat pipe in light alloy in permanent mold casting were expounded.
初步评估了热管在轻合金永久型铸造中的行为、作用、利用潜力和应用的基本形式。
Casting: Expendable mold and permanent mold.
铸造：一次性铸造和永久性铸造。
The results show that the copper alloy density by permanent-mold casting attains 99.91% of theory density.
结果表明：经金属型铸造的铜合金密度达到理论密度的99 91%。
The results show that the copper alloy density by permanent-mold casting attains 99.91% of theory density.
结果表明：经金属型铸造的铜合金密度达到理论密度的99 91%。
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