渗层的形成主要是依靠渗剂颗粒之间毛细管的毛细吸附作用，加上基体金属液和渗剂元素之间的互扩散作用。
The form of composite layer depends on capillary among the infiltrate grain and pervasion between liquid metal and infiltrate element.
研究了卧式冷空压铸机压室内金属液充填过程中产生的破碎激冷层及其对待件质量的影响；
The broken chilling layer emerging in the course of filling molten metal in the cold-chamber sleeve and its effect on casting quality are analyzed.
研究了发泡金属电极的性质，得出了描述发泡金属电极床层中宏观反应速率、反应速率随时间的变化、床层中电解液的电势分布方程式。
The characteristics of foamed metal electrodes are investigated to study electric potential distribution in electrolytes on foamed metal cathodes and the mathematical models are proposed.
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