王智勇,张毅,王鑫,王秉楠,贾玉鑫

• 1:河南科技大学材料科学与工程学院
• 2:洛阳轴承研究所有限公司

摘要(Abstract)：

对G30高氮轴承钢进行不同工艺的退火、淬火、回火处理,利用光学显微镜和扫描电镜对组织演变进行研究,分析不同工艺处理后硬度、耐磨性能以及碳氮化物尺寸的变化。结果表明:G30钢在850℃退火后组织为粒状珠光体,有助于提供较好的预备组织;不同淬火及回火工艺后,G30钢的硬度有一定程度的提高,较高的回火温度有利于降低钢中奥氏体的含量、促进碳氮化物的长大,其中,经过1020℃淬火+475℃回火处理,G30钢的硬度达到59.0 HRC,组织为回火屈氏体+未溶第二相+残留奥氏体,碳氮化物的尺寸主要集中在0.6~0.8μm之间。

关键词(KeyWords)： G30钢;组织演变;硬度;碳氮化物

Abstract:

Keywords:

基金项目(Foundation): 河南省科技攻关计划(172102210399);河南省科技攻关计划(122102210059);; 河南省重点科技攻关项目(152102210074)

作者(Author): 王智勇,张毅,王鑫,王秉楠,贾玉鑫

DOI: 10.13289/j.issn.1009-6264.2018-0001

参考文献(References)：

• [1]米振莉,张小垒,李志超,等.热处理工艺对高碳铬轴承钢组织和性能的影响[J].材料热处理学报,2015,36(7):119-120.MI Zhen-li,ZHANG Xiao-lei,LI Zhi-chao,et al.Effect of heat treatment process on microstructure and properties of a high carbon chromium bearing steel[J].Transactions of Materials and Heat Treatment,2015,36(7):119-120.
• [2]郑滔,俞峰,张家涛,等.热处理工艺对高氮不锈轴承钢G30组织与性能的影响[J].金属热处理,2013,38(9):21-25.ZHENG Tao,YU Feng,ZHANG Jia-tao,et al.Effect of heat treatment on microstructure and properties of high nitrogen stainless bearing steel G30[J].Heat Treatment of Metals,2013,38(9):21-25.
• [3]徐海峰,曹文全,俞峰,等.国内外高氮马氏体不锈轴承钢研究现状与发展[J].钢铁,2017,52(1):53-63.XU Hai-feng,CAO Wen-quan,YU Feng,et al.Current research status and development of domestic and foreign high mitrogen martensitic stainless bearing steel[J].Iron and Steel,2017,52(1):53-63.
• [4]郝宏伟,杨卯生,孙世清,等.高氮不锈轴承钢的微动磨损性能[J].钢铁研究学报,2016,28(7):61-66.HAO Hong-wei,YANG Mao-sheng,SUN Shi-qing,et al.Friction and wear performance of high nitrogen stainless bearing steel[J].Journal of Iron and Steel Research,2016,28(7):61-66.
• [5]Chen C Y,Yen H W,Kao F H,et al.Precipitation hardening of high-strength low-alloy steels by nanometer-sized carbides[J].Materials Science and Engineering A,2009,499(1):162-166.
• [6]魏果能,许达,俞峰.高温不锈轴承钢Cr14Mo4的热处理、组织和性能[J].特殊钢,2007,28(6):7-9.WEI Guo-neng,XU Da,YU Feng.Heat treatment,structure and properties of high temperature stainless bearing steel Cr14Mo4[J].Special Steel,2007,28(6):7-9.
• [7]孔祥华,刘建尊,刘在龙,等.高温变形处理对GCr15轴承钢液析碳化物的影响[J].材料热处理学报,2014,35(7):173-176.KONG Xiang-hua,LIU Jian-zun,LIU Zai-long,et al.Effect of high temperature deformation on liquation carbide of GCr15 bearing steel[J].Transactions of Materials and Heat Treatment,2014,35(7):173-176.
• [8]李中友.G20Cr Ni2Mo A渗碳轴承钢生产工艺的探讨[J].特钢技术,2010,16(3):10-14.LI Zhong-you.A study on production process of G20Cr Ni2Mo A carburizing bearing steel[J].Special Steel Technology,2010,16(3):10-14.
• [9]Min Z,Yang M S,Shu-Suo L I,et al.Effect of the carbon nitrogen compounds on the mechanical properties of high nitrogen stainless bearing steel[J].Journal of Iron and Steel Research,2012,24(5):18-23.
• [10]徐昊,王晓溪,陈方旭,等.碳氮共渗热处理工艺对42Cr Mo钢组织性能的影响[J].热加工工艺,2016,45(4):202-204.XU Hao,WANG Xiao-xi,CHEN Fang-xu,et al.Effect of carbonitriding heat treatment process on microstructure and mechanical properties of 42Cr Mo steel[J].Hot Working Technology,2016,45(4):202-204.
• [11]Toppo A,Pujar M G,Mallika C,et al.Effect of nitrogen on stress corrosion behavior of austenitic stainless steels using electrochemical noise technique[J].Journal of Materials Engineering and Performance,2015,24(3):1140-1149.
• [12]李文涛,林振铭,汪宏斌,等.冷轧带钢退火处理中残余应力变化规律研究[J].上海金属,2016,38(1):42-45.LI Wen-tao,LIN Zhen-ming,WANG Hong-bin,et al.Study on residual stress evolution of cold-rolled strip in annealing process[J].Shanghai Metals,2016,38(1):42-45.
• [13]王正国.高氮奥氏体不锈钢显微组织及力学性能的研究[D].太原:太原理工大学,2011.WANG Zheng-guo.Study on the microstructure and mechnical property in high nitrogen austentite stainless steel[D].Taiyuan:Taiyuan Unversity of Technology,2011.
• [14]邢文静,丁厚福,杜晓东,等.碳含量对低碳高合金钢组织及耐腐蚀行为的影响[J].热加工工艺,2006,35(7):35-37.XING Wen-jing,DING Hou-fu,DU Xiao-dong,et al.Effect of carbon content on structure and corrosion property of low carbon high alloy steel[J].Hot Working Technology,2006,35(7):35-37.

文章评论(Comment)：