采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。
The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.
结果表明：CGHAZ中复合夹杂物可促进针状铁素体的形成，针状铁素体的数量与输入线能量有关并显著影响CGHAZ 的力学性能。
The complex inclusions in CGHAZ promote the acicular ferrite formation, which is associated with heat input and affects the mechanical properties of CGHAZ.
通过对高碳帘线钢线材断口试样的检验分析，认为钢中大颗粒脆性夹杂物是导致脆断的重要原因。
The result indicates that the large grain brittle inclusion in the molten steel is the key factor can lead to brittle fracture.
应用推荐