The results reveal that the microstructure of the AZ91 alloy is effectively refined after hot-extrusion.

研究了挤压比对热挤压AZ91镁合金显微组织和拉伸性能的影响。

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The bimetallic seamless steel pipes are successfully manufactured with a hot-extrusion process in Tubacex, Spain.

西班牙挤压成型钢管公司采用热挤压工艺成功地生产出双金属无缝钢管。

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Extrusion force is a very important craft parameter in hot extrusion, and its value was obtained mainly from experienced formula, especially the formula for pipe material was not established.

在热挤压工艺中挤压力是非常重要的参数，目前主要采用估算的方法来获得其数值，且没有针对管状材料的经验公式。

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Also on view are four of his recent "Extrusion" benches, made without nuts and bolts by squeezing red-hot aluminum out of a machine as one might pinch toothpaste out of a plastic tube.

WSJ: In New York, the Work of Thomas Heatherwick