| 280柴油机曲轴渗氮工艺改进试验研究 |
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| 引用本文： | 安治学,王心明,石子源,丁志敏,郑林.280柴油机曲轴渗氮工艺改进试验研究[J].大连铁道学院学报,2007(2). |
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| 作者姓名： | 安治学 王心明 石子源 丁志敏 郑林 |
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| 作者单位： | 大连机车车辆有限公司 辽宁大连116022(安治学，王心明)，大连交通大学材料科学与工程学院 辽宁大连116028(石子源，丁志敏，郑林) |
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| 摘 要： | 研究氨气和氮气混合气氛的成分对渗氮速率的影响,测定了渗氮层的显微组织、渗氮层氮浓度分布及有关力学性能.结果表明,渗氮时,通入适量的氮气能使渗氮速率提高13%,改善渗层的组织与性能,有明显的经济效益.
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| 关 键 词： | 柴油机 曲轴 渗氮 混合气氛 |
Improved Nitriding Process of 280 Diesel Engine Crank |
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| AN Zhi-xue,WANG Xin-ming,SHI Zi-yuan,DING Zhi-min,ZHENG Lin.Improved Nitriding Process of 280 Diesel Engine Crank[J].Journal of Dalian Railway Institute,2007(2). |
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| Authors: | AN Zhi-xue WANG Xin-ming SHI Zi-yuan DING Zhi-min ZHENG Lin |
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| Institution: | AN Zhi-xue1,WANG Xin-ming1,SHI Zi-yuan2,DING Zhi-min2,ZHENG Lin2 |
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| Abstract: | Effect of nitrogen and ammonia content on the nitriding rate,the microstructure,nitrogen concentration and hardness distribution of the nitriding case were studied.Experiment results show that the nitriding rate is increased about 13% in the compound atmosphere of nitrogen and ammonia,and the microstructure and properties of nitriding case are improved,which proves great economical benefit of the nitrideng process. |
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| Keywords: | diesel engine crank nitriding compound atmosphere |
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