However, copper enrichment around grain boundaries in copper containing steel plate leads to a kind of defect called copper brittleness.
但是铜在钢中极易在晶界富集，引起铜脆缺陷。
Improving the time and temperature of hot-working process rationally, the hot brittleness caused by residual copper is lightened.
合理地改善热加工时间和温度，可以减轻钢中残余铜元素所导致的热脆性。
The more the content of residual copper in steel, the more severely the oxidation corrosion occurs on grain boundary and matrix, the greater the hot brittleness tendency;
残余铜含量越高，晶界与基体界面氧化腐蚀越严重，热脆性倾向越大；
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