The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量金相法分
计算了亚共钢拉拔变形中先共铁
变量。
The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量金相法分计算了亚共钢拉拔变形中先共铁变量。
The mechanical status of nutted rod in drawing pipe with short mandrel rod is analyzed, the analysis basis for the dimensions design of nutted rod offered.
文章分了短芯棒拉拔管材时拉
受力，并对拉尺寸设计提供了分
据。
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