| 高强耐磨贝氏体道岔尖轨的研制 |
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| 引用本文： | 刘丰收,陈朝阳,张银花,周清跃,田继新.高强耐磨贝氏体道岔尖轨的研制[J].中国铁道科学,2011,32(2). |
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| 作者姓名： | 刘丰收 陈朝阳 张银花 周清跃 田继新 |
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| 作者单位： | 1. 中国铁道科学研究院金属及化学研究所,北京,100081
2. 哈尔滨铁路局工业总公司齐齐哈尔工务机械厂,黑龙江齐齐哈尔,161000 |
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| 基金项目： | 铁道科学技术研究发展中心科研项目(J2008G008) |
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| 摘 要： | 在贝氏体钢轨及贝氏体辙叉研究的基础上,通过成分选择、精炼、精轧及稳定化处理,制成60AT贝氏体钢轨,再加工成贝氏体道岔尖轨。通过对60 AT贝氏体钢轨以及异型钢轨性能的检验可知:60 AT贝氏体钢轨以及异型钢轨全断面抗拉强度、屈服强度和伸长率等均达到相关标准规定的要求,并且强韧性配合非常好;贝氏体道岔尖轨强韧性指标明显地优于珠光体道岔尖轨,同时不需要进行淬火处理,就可以保证全断面具有高且均匀的硬度。通过大秦线的铺设试验可知:贝氏体道岔尖轨无严重的剥离掉块等疲劳伤损;耐磨性能相比珠光体尖轨具有明显优势,使用寿命约为珠光体道岔尖轨的2倍。
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| 关 键 词： | 贝氏体钢轨 60AT钢轨 道岔尖轨 异型钢轨 力学性能 重载铁路 |
Development of the Bainitic Switch Rail with High-Strength and Wear-Resistance |
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| LIU Fengshou,CHEN Zhaoyang,ZHANG Yinhua,ZHOU Qingyue,TIAN Jixin.Development of the Bainitic Switch Rail with High-Strength and Wear-Resistance[J].China Railway Science,2011,32(2). |
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| Authors: | LIU Fengshou CHEN Zhaoyang ZHANG Yinhua ZHOU Qingyue TIAN Jixin |
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| Institution: | LIU Fengshou1,CHEN Zhaoyang1,ZHANG Yinhua1,ZHOU Qingyue1,TIAN Jixin2(1.Metals and Chemistry Research Institute,China Academy of Railway Sciences,Beijing100081,China,2.Qiqihar Railway Gongwu Machinery Factory,Harbin Railway Bureau Industry Corporation,Qiqihar Heilongjiang161000,China) |
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| Abstract: | Based on the study of the bainitic rail and bainitic frog,60AT bainitic rail is made by component selection,refining,finish rolling and stabilizing treatment,and then is processed into bainitic switch rail.The mechanical properties of 60AT bainitic rail and compromise rail are inspected.It's known from the inspection results that 60AT bainitic rail and compromise rail can meet the requirements of the related standards in the full-section tensile strength,the yield strength and elongation,etc.,and with excel... |
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| Keywords: | Bainitic rail 60AT rail Switch rail Compromise rail Mechanical property Heavy-haul railway |
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