| 高碳马氏体钢球淬火开裂失效分析 |
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| 引用本文： | 周根树,薛小敏,颜战勇.高碳马氏体钢球淬火开裂失效分析[J].金属热处理,2004,29(6):74-76. |
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| 作者姓名： | 周根树 薛小敏 颜战勇 |
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| 作者单位： | 1. 西安交通大学,材料科学与工程学院,陕西,西安,710049
2. 金堆城钼业公司,陕西,华县,714102 |
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| 摘 要： | T7-T8钢的热轧方坯模锻制的120mm耐磨钢球经锻后余热淬火，多数钢球开裂。对断口和材料组织形貌分析后，发现热处理工艺不合理造成的淬火应力大及组织粗大是导致钢球开裂的主要原因，
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| 关 键 词： | 高碳马氏体钢球 锻件余热淬火 淬火裂纹 |
| 文章编号： | 0254-6051(2004)06-0074-03 |
Failure Analysis on Quenching Cracking of High Carbon Martensite Steel Ball |
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| ZHOU Gen-shu,XUE Xiao-min,YAN Zhan-yong.Failure Analysis on Quenching Cracking of High Carbon Martensite Steel Ball[J].Heat Treatment of Metals,2004,29(6):74-76. |
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| Authors: | ZHOU Gen-shu XUE Xiao-min YAN Zhan-yong |
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| Affiliation: | ZHOU Gen-shu~1,XUE Xiao-min~2,YAN Zhan-yong~2 |
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| Abstract: | The wear resistant steel ball with 120mm in diameter was manufactured by model forging with T7-T8 hot rolled billet and quenching directly after forging,most of the balls cracked.The fracture morphologies and the microstructures were examined.The results show that the great quenching stress resulting from unreasonable heat treatment process and the rough microstructure is the main reason of steel ball fracture. |
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| Keywords: | high carbon martensite steel ball quenching directly after forging quenching crack |
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