Reverse pressing under the active action of external friction force was theoretically analyzed based on the previously developed rheodynamic models of high-temperature SHS compaction. It was shown that, in this pressing method, external friction is a useful technological phenomenon, which allows one to reach a uniform density distribution in the bulk of the material of the workpiece. Analytical expressions for calculating the characteristic pressing time and the pressure distribution were obtained.

中文翻译：

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SHS 压实中的外摩擦

基于先前开发的高温SHS压实流变动力学模型，对外摩擦力主动作用下的反向压制进行了理论分析。结果表明，在这种压制方法中，外部摩擦是一种有用的技术现象，它允许在工件材料的大部分中达到均匀的密度分布。得到了计算特征按压时间和压力分布的解析表达式。