| 大型轴承钢球开裂分析 |
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| 引用本文： | 师红旗,张洪俊,丁毅,马立群.大型轴承钢球开裂分析[J].热加工工艺,2010,39(2). |
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| 作者姓名： | 师红旗 张洪俊 丁毅 马立群 |
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| 作者单位： | 1. 南京工业大学,材料科学与工程学院,江苏,南京,210009
2. 攀钢成都钢铁有限公司钢管研究所,四川,成都,61000 |
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| 摘 要： | 对大型轴承钢球在淬火过程中的开裂进行了失效分析,采用宏微观形貌、化学成分、金相显微组织分析、硬度测试、SEM微观断口形貌等手段,分析了钢球开裂的原因.结果表明,钢球开裂为淬火开裂,淬火温度过高是导致淬火钢球开裂的主要原因.
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| 关 键 词： | 轴承钢球 淬火 开裂 |
Analysis on Cracking of Large Scale Bearing Steel Ball |
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| SHI Hongqi,ZHANG Hongjun,DING Yi,MA Liqun.Analysis on Cracking of Large Scale Bearing Steel Ball[J].Hot Working Technology,2010,39(2). |
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| Authors: | SHI Hongqi ZHANG Hongjun DING Yi MA Liqun |
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| Abstract: | Cracking of bearing steel ball was analyzed using macroscopic and microscopic analysis, chemical composition analysis, hardness test, SEM micro-morphology analysis. The results show that the cracking of bearing steel ball is quenched cracking. The main cause of the cracking is that the quenching temperature is too high. |
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| Keywords: | bearing steel ball quenching cracking |
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