The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.

采金相法计算亚共钢拉拔变形先共铁素体应变。

The feasibility of inner crack intercritieal heat treatmemt in hypoeutectoid steel was analysed in detail by metallurgical principle.

利金属学原理,亚共钢内裂纹亚温愈合处理的可行性。