大型环锻件白点成因分析及解决办法

Metallurgy?and?materials(2017)

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Abstract
本文针对连铸圆坯辗环后出现白点问题,从环锻件生产工艺、圆坯的纯净度及低倍组织进行分析,认为在现有氢含量≤2 ppm条件下,环锻加工工艺、冷却工艺以及钢中的夹杂物是白点产生的主要原因.
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