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泡沫消失模精密铸件表面形成皱纹的原因

Publish Time: 04/08 2025Author: 网站编辑

对于铁铸件来说，表面皱纹是最常见的缺陷。因为游离碳不易渗入铸件表面，而是沉积在精密铸件和模具的表面。在浇注过程中，ES 型碳与熔融金属接触并分解成三种成分：气态、液态和 P 型固态。

气相主要由 CO、CO：2、H、甲烷、苯乙烯及其衍生物组成；液相主要由苯、甲苯、苯乙烯和玻璃状聚苯乙烯等液态烃类组成；固相主要由聚苯乙烯热分解形成的光亮碳和焦炭残渣团组成。

转载时请保留本文出处和地址: 泡沫消失模精密铸件表面形成皱纹的原因

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