| 40Cr钢活塞开裂原因分析 |
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| 引用本文： | 田香菊,郑建军,孙钢. 40Cr钢活塞开裂原因分析[J]. 金属热处理, 2004, 29(7): 81-83 |
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| 作者姓名： | 田香菊 郑建军 孙钢 |
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| 作者单位： | 太原重型机械学院材料分院,山西太原,030024 |
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| 摘 要： | 对40Cr钢活塞端面出现的锯齿状裂纹进行了检验和分析。结果表明，活塞开裂的主要原因是表面淬火加热时的局部温度过高，导致过热、过烧。
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| 关 键 词： | 活塞 表面淬火 开裂 |
| 文章编号： | 0254-6051(2004)07-0081-03 |
Cracking Analysis on 40Cr Steel Piston |
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| TIAN Xiang-ju,ZHEN Jian-jun,SUN Gang. Cracking Analysis on 40Cr Steel Piston[J]. Heat Treatment of Metals, 2004, 29(7): 81-83 |
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| Authors: | TIAN Xiang-ju ZHEN Jian-jun SUN Gang |
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| Abstract: | The sawtooth cracks on the end-plane of 40Cr steel pistons was detected and analyzed.The results show that the reasons causing cracking is mainly due to locally over-heated and over-burnt of the piston during the surface quenching. |
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| Keywords: | piston surface-quenching cracking |
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