| 稀土微合金淬火钢轨接触焊焊后热处理工艺及设备 |
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| 引用本文： | 王树青.稀土微合金淬火钢轨接触焊焊后热处理工艺及设备[J].金属热处理,1998(12):10-13,42. |
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| 作者姓名： | 王树青 |
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| 作者单位： | 铁道部科学研究院金属及化学研究所 |
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| 摘 要： | 对稀土粹火钢轨接触焊焊后采用中频感应加热，轨头压缩空气社会火，其他部位正火的热处理工艺。研制了适合于该钢种的加热感应器和高速吹风冷却等装置。通过热模拟试验选择了合理的焊后热处理工艺参数，恢复了轨头强度和硬度，并大幅度地提高了焊接接头的韧塑性和综合性能，满足了无缝线路铺设使用要求。
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| 关 键 词： | 稀土微合金钢轨 焊后热处理 钢轨 热处理 |
Post Welding Heat Treatment Process and Equipment of RE Microalloy Quenching Rail |
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| Wang,Shuqing.Post Welding Heat Treatment Process and Equipment of RE Microalloy Quenching Rail[J].Heat Treatment of Metals,1998(12):10-13,42. |
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| Authors: | Wang Shuqing |
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| Abstract: | This paper studies the technology,equipment and properties of post welding heat treatment of the RE microalloy quenching rail which was heated with medium frequency induction and quenched with pressure air for head of,normalized for other of.The heating inductor and high efficiency pressure air cooling devices for the rail were manufactured.With heat simulation test,the reasonable parameters of post welding heat treatment were chosen.After post welding heat treatment,the strength and hardness of the welded joints were resumed and the toughness and properties were advanced greatly for the need of C.W.R.rail. |
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| Keywords: | RE microalloy rail jet air cooling post welding heat treatment |
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