高铁齿轮用钢18CrNiMo7-6的端淬曲线与模拟计算

doi:10.13251/j.issn.0254-6051.2022.12.040

金属热处理 ›› 2022, Vol. 47 ›› Issue (12): 237-243.DOI: 10.13251/j.issn.0254-6051.2022.12.040

高铁齿轮用钢18CrNiMo7-6的端淬曲线与模拟计算

朱跃峰¹, 顾家琳¹, 周惠华¹, 王之香², 张锦文²

1.清华大学材料学院, 北京 100084;
2.山西太钢不锈钢股份有限公司, 山西太原 030003

收稿日期:2022-06-30 修回日期:2022-10-18 出版日期:2022-12-25 发布日期:2023-01-05
作者简介:朱跃峰(1958—),男,副教授,博士,主要研究方向为先进复合材料、钢铁材料制备工艺、组织与性能调控,E-mail: yfzhu@tsinghua.edu.cn
基金资助:
山西省重点研发计划(201903D111008)

End-quenching experimental curves and simulation calculation of 18CrNiMo7-6 steel for high-speed railway gears

Zhu Yuefeng¹, Gu Jialin¹, Zhou Huihua¹, Wang Zhixiang², Zhang Jinwen²

1. School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;
2. Shanxi Taigang Stainless Steel Co., Ltd., Taiyuan Shanxi 030003, China

Received:2022-06-30 Revised:2022-10-18 Online:2022-12-25 Published:2023-01-05

摘要/Abstract

摘要： 采用3种端淬曲线预测模型计算两炉次高铁齿轮用钢18CrNiMo7-6的端淬曲线,对比端淬硬度检测结果,分析了不同模型的预测误差。结果表明,金满模型的预测结果与端淬试验检测结果误差较小,可以用做这类钢的端淬结果预测。根据端淬曲线预测与实测结果的对比分析,结合相关高铁齿轮用钢技术条件的硬度规范对高铁齿轮用钢18CrNiMo7-6的冶炼成分控制给出了建议。

关键词: 高铁齿轮钢18CrNiMo7-6, 端淬曲线, 化学成分

Abstract: Three prediction models were used to calculate and predict the end-quenching curves of two batches of 18CrNiMo7-6 steel for high-speed railway gears, and then the prediction errors of different models were analyzed by comparing with the end-quenching test results. The results show that the Jin model obtains small error compared with the end-quenching test results, and can be used to predict the end-quenching curves of the tested steels. According to the comparative analysis of the predicted and the measured results of the end-quenching test, and combing with the hardness specification for technical conditions of the high-speed railway gear steels, the controlling method of the smelting composition of 18CrNiMo7-6 steel for high-speed railway gears is proposed.

Key words: high-speed railway gear steel 18CrNiMo7-6, end-quenching curve, chemical composition

中图分类号:

朱跃峰, 顾家琳, 周惠华, 王之香, 张锦文. 高铁齿轮用钢18CrNiMo7-6的端淬曲线与模拟计算[J]. 金属热处理, 2022, 47(12): 237-243.

Zhu Yuefeng, Gu Jialin, Zhou Huihua, Wang Zhixiang, Zhang Jinwen. End-quenching experimental curves and simulation calculation of 18CrNiMo7-6 steel for high-speed railway gears[J]. Heat Treatment of Metals, 2022, 47(12): 237-243.

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高铁齿轮用钢18CrNiMo7-6的端淬曲线与模拟计算

End-quenching experimental curves and simulation calculation of 18CrNiMo7-6 steel for high-speed railway gears

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