SKS51脱碳分析及其对淬硬性的影响
Analysis on decarburization of SKS51 and its effect on hardenability
张亚琦、赵刚、鲍思前、薛刚
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作者单位：武汉科技大学材料与冶金学院
中文关键字：合金工具钢；脱碳；淬硬性
英文关键字：alloy tool steel; decarburization; hardenability
中文摘要：本文实验研究了SKS51钢650-900℃温度范围内的脱碳特性及其对淬硬性的影响，研究结果表明：随着温度及保温时间的增加，脱碳层深度增加，尤其温度在800℃以上时，脱碳明显加剧；脱碳对钢的淬硬性有明显影响，随着脱碳层深度增加，钢的硬度降低。
英文摘要：Decarburizing characteristic and its effect on steel SKS51 between 650℃ and 900℃ was investigated. The research shows that, the decarburization depth increases with temperature or holding time increasing. There will be significant increase if temperature is above 800℃. Decarburization has great influence for hardenability. The hardness of steels decreases with the increasing of the decarburization depth.