34CrNi3MoV钢奥氏体晶粒分布规律

doi:10.13251/j.issn.0254-6051.2023.07.001

金属热处理 ›› 2023, Vol. 48 ›› Issue (7): 1-7.DOI: 10.13251/j.issn.0254-6051.2023.07.001

• 材料研究 • 下一篇

34CrNi3MoV钢奥氏体晶粒分布规律

郑冰^1,2, 徐东^3,4,5, 王怡群³, 王学玺³, 赵红阳¹, 巨东英¹

1.辽宁科技大学材料与冶金学院, 辽宁鞍山 114051;
2.河北工程大学河北省高品质冷镦钢技术创新中心, 河北邯郸 056038;
3.河南中原特钢装备制造有限公司技术中心, 河南济源 459008;
4.河北普阳钢铁集团河北省高韧性风塔钢工程研究中心, 河北邯郸 056305;
5.河北工程大学河北省高校高端紧固件全流程应用技术研发中心, 河北邯郸 056038

收稿日期:2023-04-20 修回日期:2023-06-01 出版日期:2023-07-25 发布日期:2023-09-04
通讯作者: 徐东,教授,博士生导师,E-mail:xudong_xyz@163.com
作者简介:郑冰 (1981—),女,工程师,博士研究生,主要研究方向为特种钢材料,E-mail: zhengbing1881@163.com。
基金资助:
国家自然科学基金联合基金(NSFC)(U20A20272);河北省军民科技协同创新专项(22351001D);邯郸市科学研究计划重点项目(21122015004);河北省高等学校科学技术研究项目(CXY2023004)

Austenite grain distribution law in 34CrNi3MoV steel

Zheng Bing^1,2, Xu Dong^3,4,5, Wang Yiqun³, Wang Xuexi³, Zhao Hongyang¹, Ju Dongying¹

1. School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan Liaoning 114051, China;
2. Technology Innovation Center for High Quality Cold Heading Steel of Hebei Province, Hebei University of Engineering, Handan Hebei 056038, China;
3. Technology Center, Henan Zhongyuan Special Steel Equipment Manufacturing Co., Ltd., Jiyuan Henan 459008, China;
4. Engineering Research Center for High Toughness Wind Tower Steel of Hebei Province, Hebei Puyang Iron and Steel Co., Ltd., Handan Hebei 056305, China;
5. Whole Processes of High Quality Fastener Application Technology Research Center of Universities in Hebei Province, Hebei University of Engineering, Handan Hebei 056038, China

Received:2023-04-20 Revised:2023-06-01 Online:2023-07-25 Published:2023-09-04

摘要/Abstract

摘要： 研究了不同保温温度及保温时间对34CrNi3MoV钢奥氏体晶粒长大的影响。通过金相法统计分析了保温温度、保温时间对晶粒平均尺寸、长轴、短轴的影响。结果表明,正态分布方程中标准差与期望大致随保温温度的升高而增加,随保温时间的延长而增加。晶粒长轴、短轴尺寸与平均尺寸关系密切,其比值呈简单的线性关系。晶粒长大的过程中,长轴与短轴的比例基本保持不变,并回归得到晶粒平均尺寸、长轴、短轴尺寸的分布概率表达式。同时在数学规律上对材料学中的遗传性提供一种新的思维方法及可能的解释思路。

关键词: 34CrNi3MoV钢, 奥氏体晶粒尺寸, 保温温度, 正态分布, 遗传性

Abstract: Effects of different holding temperature and holding time on austenite grain growth of 34CrNi3MoV steel were studied. The effects of holding temperature and holding time on average grain size, major axis and minor axis were analyzed by means of metallography. The results show that in the Gaussian distribution equation, the standard deviation and expectation increase with the increase of holding temperature and holding time. The size of the major axis and minor axis of grains is closely related to the average size, and the ratio has a simple linear relationship. During the grain growth, the ratio of the major axis to the minor axis basically remains unchanged. The distribution probability expressions of average grain size, major axis size and minor axis size are obtained by regression. At the same time,a new way of thinking and possible explanation for the heredity in materials science in terms of mathematical laws is provided.

Key words: 34CrNi3MoV steel, austenite grain size, holding temperature, Gaussian distribution, heredity

中图分类号:

TG142.7

郑冰, 徐东, 王怡群, 王学玺, 赵红阳, 巨东英. 34CrNi3MoV钢奥氏体晶粒分布规律[J]. 金属热处理, 2023, 48(7): 1-7.

Zheng Bing, Xu Dong, Wang Yiqun, Wang Xuexi, Zhao Hongyang, Ju Dongying. Austenite grain distribution law in 34CrNi3MoV steel[J]. Heat Treatment of Metals, 2023, 48(7): 1-7.

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34CrNi3MoV钢奥氏体晶粒分布规律

Austenite grain distribution law in 34CrNi3MoV steel

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