对焊缝缺陷脆性断口、灰斑、夹杂物提出了见解。
Some opinions about brittle fracture, gray spot and impurities in the weld are proposed.
对82B钢盘条拉拔脆断断口进行了金相组织和夹杂物检测，并借助扫描电镜观察分析了拉拔过程中产生的脆性断口形貌。
The fracture section microstructure and inclusion of 82B wire rod were tested, and the drawing brittle fracture was examined using SEM.
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.
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