激光能量对激光冲击强化45钢摩擦磨损性能的影响
Effect of Laser Energy on Friction and Wear Properties of Laser Shock Peened 45 Steel
摘 要
在不同激光能量（4，6，8 J）下对45钢试样表面进行激光冲击强化，研究了激光能量对试样显微硬度、残余应力、微观结构和摩擦磨损性能的影响。结果表明：随着激光能量的增加，45钢的晶格畸变程度、残余压应力、显微硬度和耐磨性能不断提升。在8 J激光能量下，45钢的表面（211）晶面半高宽、残余压应力和显微硬度分别增加到3.50°，500 MPa，345 HV，摩擦因数和磨损质量损失分别减小到0.61和157 mg，同时磨损表面剥落物最少，犁沟的深度和宽度最小。45钢摩擦磨损性能的提升与激光冲击强化诱导的高密度位错结构和高幅值残余压应力有关。
45钢
残余应力
微观结构
摩擦磨损性能
laser shock peening
45 steel
residual stress
microstructure
friction and wear property
Abstract
Laser shock peening was conducted on the surface of 45 steel specimens under different laser energy (4, 6, 8 J). The effects of laser energy on the microhardness, residual stress, microstructure and friction and wear properties of the specimens were studied. The results show that with the increase of laser energy, the degree of lattice distortion, compressive residual stress, microhardness and wear resistance of 45 steel were improved. Under the laser energy of 8 J, the surface (211) crystal plane full width at half maximum, residual compressive stress and microhardness of 45 steel increased to 3.5°, 500 MPa and 345 HV, and the friction coefficient and the wear mass loss decreased to 0.61 and 157 mg, respectively; the wear surface had the least peeling material, and the depth and width of the furrow were the smallest. The improvement of friction and wear properties of 45 steel was mainly due to the high-density dislocation and high-amplitude compressive residual stress induced by laser shock peening.
中图分类号 TG161 DOI 10.11973/jxgccl202311010
所属栏目 材料性能及应用
基金项目
收稿日期 2023/8/7
修改稿日期 2023/9/24
网络出版日期
作者单位点击查看
备注王琼林(1974-),男,浙江永嘉人,工程师,大专
引用该论文: WANG Qionglin. Effect of Laser Energy on Friction and Wear Properties of Laser Shock Peened 45 Steel[J]. Materials for mechancial engineering, 2023, 47(11): 57～61
王琼林. 激光能量对激光冲击强化45钢摩擦磨损性能的影响[J]. 机械工程材料, 2023, 47(11): 57～61
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参考文献
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【3】马玉山,何涛,常占东,等.45钢阀杆失效机制分析[J].有色矿冶,2019,35(3):33-35. MA Y S,HE T,CHANG Z D,et al.Analysis of failure mechanism of 45 steel valve rod[J].Non-Ferrous Mining and Metallurgy,2019,35(3):33-35.
【4】柏厚义,朱才朝,周烨,等.风电渗碳齿轮内部疲劳断裂可靠性研究[J].振动与冲击,2023,42(7):106-113. BAI H Y,ZHU C C,ZHOU Y,et al.Study on the reliability of tooth interior fatigue fracture in carburized wind turbine gear[J].Journal of Vibration and Shock,2023,42(7):106-113.
【5】张瑜,徐勇,吴军,等.45钢轴的疲劳断裂分析[J].失效分析与预防,2017,12(2):126-129. ZHANG Y,XU Y,WU J,et al.Fatigue fracture analysis of 45 steel shaft[J].Failure Analysis and Prevention,2017,12(2):126-129.
【6】刘永恒,顾鑫,邓大祥,等.双面激光冲击强化技术研究进展[J].光电工程,2023,50(4):25-40. LIU Y H,GU X,DENG D X,et al.Research progress of double-sided laser shock peening technology[J].Opto-Electronic Engineering,2023,50(4):25-40.
【7】陆海峰,姚志猛,吴树辉,等.低能量激光冲击对410不锈钢组织及性能的影响[J].热处理,2023,38(3):1-4. LU H F,YAO Z M,WU S H,et al.Effect of low-energy laser shock on microstructure and properties of 410 stainless steel[J].Heat Treatment,2023,38(3):1-4.
【8】KUMAR D,NADEEM AKHTAR S,KUMAR PATEL A,et al.Tribological performance of laser peened Ti-6Al-4V[J].Wear,2015,322/323:203-217.
【9】GE M Z,XIANG J Y,TANG Y,et al.Wear behavior of Mg-3Al-1Zn alloy subjected to laser shock peening[J].Surface and Coatings Technology,2018,337:501-509.
【10】乔红超,何佳琪,赵吉宾,等.增材316L不锈钢的激光冲击强化研究[J].激光与红外,2022,52(8):1147-1152. QIAO H C,HE J Q,ZHAO J B,et al.Study on laser shock processing of additive manufactured 316L stainless steel[J].Laser & Infrared,2022,52(8):1147-1152.
【11】戴希敏,任乃飞,张永康,等.激光冲击提高45钢疲劳寿命的研究[J].应用激光,1998,18(6):268-270. DAI X M,REN N F,ZHANG Y K,et al.Study of laser shock processing for increasing fatigue life of 45 steel[J].Applied Laser,1998,18(6):268-270.
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【15】SOMEKAWA H,WAKEDA M,SINGH A.Enhancing ambient temperature grain boundary plasticity by grain refinement in bulk magnesium[J].Materials Science and Engineering:A,2022,848:143424.
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