【摘要】 分析了钢材生产过程中产生裂纹的原因及裂纹形成的条件，综述了塑性损伤与修复理论及在热轧棒材生产中的现实意义，探讨了消除裂纹的工艺措施。更多还原

【Abstract】 The forming reason and condition of cracks in rolled steel preduction are analyzed, thepractical significance of the theory of plastic defect and its repair to hotrolled bar production summa rized,and process measures to eliminate the cracks discussed.更多还原