65钢拉拔笔尖状断裂分析及工艺改进

Steel Rolling(2015)

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Abstract
利用光谱分析、金相分析等方法对65钢盘条拉拔过程中出现的笔尖状断口进行了分析,结果表明:出现笔尖状断裂的原因为钢材内部存在混晶组织.在其他工艺不变的情况下最大限度缩短末端水箱和吐丝机之间的距离以减少盘条头部未穿水部分长度,并将未穿水部分剪切掉可以消除这类质量问题.
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Key words
drawing,65 grade steel wire rod,pen fracture,mixed grain structure
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