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| A3T材质车轴产品试制工艺研究及性能分析 | |
| 引用本文： | 张艳,高振波,陶盈龙,于文坛. A3T材质车轴产品试制工艺研究及性能分析[J]. 轨道交通装备与技术, 2020, 0(3): 1-4 |
| 作者姓名： | 张艳 高振波 陶盈龙 于文坛 |
| 作者单位： | 马钢轨道交通装备有限公司 |
| 基金项目： | 科技部国家重点研发计划项目(2017YFB0703004),基于理性设计的高端装备制造业用特殊钢研发。 |
| 摘 要： | A3T是BS 5892-1标准中一种调质车轴材质,文中研究了基于A3T材质的车轴产品的试制工艺,通过控制化学成分、电弧炉熔炼、炉外精炼、真空脱气处理、保护浇铸及轧制成型、车轴经快锻机锻造以及悬挂式电加热炉热处理等过程工艺,制定出了合理的工艺参数,生产的车轴综合性能良好,其力学性能达到了BS 5892-1标准要求,该产品填补了国内空白。 |
| 关 键 词： | A3T车轴钢 化学成分 力学性能 制造工艺 |
Process study and performance analysis of the trial production of A3T axle |
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| ZHANG Yan,GAO Zhenbo,TAO Yinglong,YU Wentan. Process study and performance analysis of the trial production of A3T axle[J]. Rail Transportation Equipment and Technology, 2020, 0(3): 1-4 | |
| Authors: | ZHANG Yan GAO Zhenbo TAO Yinglong YU Wentan |
| Abstract: | A3T steel is hardened and tempered axle material specified in BS5892-1 standard.The trial-manufacturing techniques for the axle products based on A3T steel is studied in this paper by means of controlling its chemical components,electric arc furnace melting,external refining,vacuum degassing,shielded pouring and rolling forming,forging with rapid forging machine and heat treatment with suspended electric heating furnace,and the rational process parameters are also worked out.As a result,axles with excellent combination properties are produced with its mechanical properties up to the requirements stipulated in BS 5892-1 standard and have filled the gap in domestic market. |
| Keywords: | A3T axle steel chemical components mechanical properties manufacturing techniques |
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