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duan zao dui dai you bai dian de 60si2mn gang ji xie xing neng de ying xiang
Author(s): 
Pages: 71-81
Year: Issue:  2
Journal: Materials Science and Technology

Keyword:  机械性能白点钢锻压比冲击值钢坯脆性转化温度锻造冲击试验冲击试样拉伸断口;
Abstract: 白点是在冶炼钢材时,可能产生的一种缺陷。本文研究了白点对60si2Mn 钢的机械性能的影响,特别是对冲击值、延伸率、断面收缩率的有害影响。为了消除白点的危害,我们做了一系列试验,证明锻压加工能改善具有白点的钢坯的机械性能。我们还对锻压前后轧材断口的宏观形态和“SEM”形态作了仔细观察。实验研究表明:适当的缎压可以消除白点的危害。使机械性能达到使用要求。
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