| 国产内燃机车排气阀焊修后焊接过热区的脆化及使用寿命分析 |
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| 引用本文： | 苏建新,杨蔚,孙向东,尚滨田,刘金玉,董廷魁. 国产内燃机车排气阀焊修后焊接过热区的脆化及使用寿命分析[J]. 大连铁道学院学报, 1991, 0(2) |
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| 作者姓名： | 苏建新 杨蔚 孙向东 尚滨田 刘金玉 董廷魁 |
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| 作者单位： | 大连铁道学院材料工艺系，大连铁道学院材料工艺系，北京铁路局丰台机务段，北京铁路局丰台机务段，北京铁路局丰台机务段，北京铁路局丰台机务段 |
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| 摘 要： | 本文采用焊接热模拟和时效热处理等方法处理试件,通过金相分析和性能试验,研究了内燃机车排气阀焊修后焊接过热区的脆化及其使用寿命问题.
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| 关 键 词： | 内燃机车 排气阀 等离子焊 时效 脆化时间 脆化温度 寿命 |
Analysis of the Brittleness in Weld Superheated Area and the Service Life of Repair Welded Exhaust Valves for the Diesel Locomotives Made in China |
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| Su jianxin Yang Wei. Analysis of the Brittleness in Weld Superheated Area and the Service Life of Repair Welded Exhaust Valves for the Diesel Locomotives Made in China[J]. Journal of Dalian Railway Institute, 1991, 0(2) |
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| Authors: | Su jianxin Yang Wei |
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| Abstract: | Treats test samples with the weld heat-simulation and the aging heat-treatment,studies th brittleness in weld superheated area and the service life of repair welded exhaust valves for the diesel locomotive through metallographic analysis and property test. |
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| Keywords: | diesel locomotive exhaust valve plasma welding aging britte time britte temperature lifetimes |
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