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| 缸盖螺栓断裂原因分析 | |
| 引用本文： | 杨永生,张雪花,仝建萍,刘书铎,马培红.缸盖螺栓断裂原因分析[J].拖拉机与农用运输车,2011,38(4). |
| 作者姓名： | 杨永生 张雪花 仝建萍 刘书铎 马培红 |
| 作者单位： | 1. 中国一拖集团有限公司工艺材料研究所,河南洛阳,471004 2. 中国一拖集团有限公司一拖洛阳柴油机有限公司,河南洛阳,471004 3. 中国一拖集团有限公司第三装配厂,河南洛阳,471004 |
| 摘 要： | 采用宏观、微观等观察手段对断裂的发动机缸盖螺栓进行分析。分析结果表明,缸盖螺栓断裂是由于氢脆延迟断裂而造成的。针对断裂原因分析了氢脆产生的原因并提出了预防措施。 |
| 关 键 词： | 缸盖螺栓 氢脆 延迟 预防措施 |
Fracture Analysis of Cylinder Head Bolts |
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| YANG Yong-shenga,ZHANG Xue-huaa,TONG Jian-pingb,LIU Shu-duoa,MA Pei-hongc Diesel Engine Co.Ltd.,c.Third Assembly Plant,YTO Group Corporation,Luoyang ,China.Fracture Analysis of Cylinder Head Bolts[J].Tractor & Farm Transporter,2011,38(4). | |
| Authors: | YANG Yong-shenga ZHANG Xue-huaa TONG Jian-pingb LIU Shu-duoa MA Pei-hongc Diesel Engine CoLtd cThird Assembly Plant YTO Group Corporation Luoyang China |
| Institution: | YANG Yong-shenga,ZHANG Xue-huaa,TONG Jian-pingb,LIU Shu-duoa,MA Pei-hongc(a.Technology & Material Research Institute,b.YTO(Luoyang) Diesel Engine Co.Ltd.,c.Third Assembly Plant,YTO Group Corporation,Luoyang 471004,China) |
| Abstract: | The cracking cylinder head bolt was analyzed by macro-fractography and metallographic examination.The results showed that the cracking reason was hydrogen embrittlement fracture.The reason of hydrogen embrittlement was analyzed and the preventive measures were taken. |
| Keywords: | Cylinder head bolt Hydrogen embrittlement Delay Preventive measures |
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