付玲,刘延斌,李飞

• 1:中联重科股份有限公司建设机械关键技术国家重点实验室

摘要(Abstract)：

研究了不同淬火工艺下Cr26型高铬铸铁显微组织变化对力学性能的影响规律。结果表明,材料的宏观硬度与基体显微硬度呈线性变化规律;随脱稳处理温度提高,材料硬度先增加后减小,冲击韧性无明显变化,基体中二次碳化物和马氏体数量不断减少,而初生碳化物和共晶碳化物基本保持不变。除二次碳化物和马氏体数量外,不同热处理温度下获得的马氏体含碳量是影响高铬铸铁硬度变化的关键因素。

关键词(KeyWords)： 高铬铸铁;热处理;组织与性能

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划(863计划)(2013AA040203)

作者(Author): 付玲,刘延斌,李飞

DOI: 10.13289/j.issn.1009-6264.2015.03.008

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