模铸和挤压材料。金属模部件。定位销。
Material of moulding and extrusion . metal mould components . location pins.
研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.
层状裂纹是7003铝合金挤压材料对焊接头中最主要的缺陷之一。
Lamellar tearing is one of the main defects in flash-butt welded joint of Al—Zn—Mgallog type 7003.
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