挤压次数对Mg-Zn-Zr-Re镁合金组织和性能的影响 关键词：镁合金；挤压；二次挤压；第二相 [gap=1388]Key words： magnesium alloy; extrusion; double extrusion; the second phase
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double-extrusion 二次挤压
double extrusion processes 二次挤压
double-layer extrusion head 双层挤出头
double screw extrusion machine 双螺杆挤出机
double cup extrusion test 双杯挤压
double screw extrusion press 双螺杆挤出机
The machines under lesser screw length-diameter ratio possess the blending capacity of double screw extrusion under bigger length-diameter ratio.
实现了在较小的螺杆长径比的条件下达到双螺杆挤出机在较大的长径比条件下，才能达到的混炼混合作用。
Double wall adhesive heat shrink tube DRS-DW, the polyolefin material and a special hot melt extrusion processed jointly.
双壁涂胶热缩套管DRS-DW由聚烯烃材料及热熔胶联合挤出经特殊加工制成。
The high speed extrusion behaviors of several polyolefine melts were investigated by a double capillary rheometer of constant speed type.
采用恒速型双毛细管流变仪研究一批聚烯烃熔体的高速挤出行为。
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