王华君,李骢,牛龙飞,王华昌

• 1:武汉理工大学材料科学与工程学院

摘要(Abstract)：

利用光学显微镜、维式硬度仪、电子探针显微分析仪等分析方法,研究了预渗碳处理对H13钢碳化铬覆层质量以及高温耐磨损性能影响。结果表明:复合覆层(预渗碳+热反应扩散(TRD)处理)避免了贫碳层的出现,其硬度为2226 HV0.1,碳化铬覆层厚度平均为15μm;相比单一覆层,其厚度提升了4倍,硬度提升38%。高温摩擦磨损实验中,复合覆层高温耐磨损性能最优,摩擦系数稳定在0.307左右,磨损率为1.033×10~(-13)m~3/(N·m),约为单一覆层的1/7,为未处理H13钢的1/8,复合覆层的磨损机制主要是氧化磨损,单一覆层则是氧化磨损和磨粒磨损。

关键词(KeyWords)： H13钢;预渗碳处理;TRD处理;碳化铬覆层;高温磨损性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51475346);; 湖北省自然科学基金(2012FFB05108)

作者(Author): 王华君,李骢,牛龙飞,王华昌

DOI: 10.13289/j.issn.1009-6264.2017-0258

参考文献(References)：

• [1]Yucel B.Sliding wear of Cr N,Al Cr N and Al Ti N coated AISI H13 hot work tool steels in aluminium extrusion[J].Tribology International,2013,57(4):101-106.
• [2]吴玉道,史家乐,娄福宝.铝型材热挤压模具的失效分析[J].机械工程材料,2001,25(5):39-41.WU Yu-dao,SHI Jia-le,LOU Fu-bao.Failure analysis of aluminium extrusion dies[J].Materials For Mechanical Engineering,2001,25(5):39-41.
• [3]陈昭运,赵旭红,郝维勋,等.1Cr11Mo Ni W1VNb N钢盐浴渗铬性能研究[J].哈尔滨工程大学学报,2012,33(2):249-254.CHEN Zhao-yun,ZHAO Xu-hong,HAO Wei-xun,et al.Study on the properties of 1Cr11Mo Ni W1VNb N steel by salt bath chromizing[J].Journal of Harbin Engineering University,2012,33(2):249-254.
• [4]Castillejo F E,Marulanda D M,Olaya J J,et al.Wear and corrosion resistance of niobium-chromium carbide coatings on AISI D2 produced through TRD[J].Surface&Coatings Technology,2014,254(18):104-111.
• [5]Castillejo F E,Olaya J J,Arroyo-osorio J M.Nb-Cr complex carbide coatings on AISI D2 steel produced by the TRD process[J].Journal of the Brazilian Society of Mechanical Sciences and Engineering,2015,37(1):1-6.
• [6]新井透.冶金的手段による鋼の耐摩耗性向上-炭化物,窒化物富化[J].日本金属学会会報,1993,32(12):888-897.ARAI T.Improvement of wear resistance of steels by the metallurgical ways-enrichment of carbides and nitrides[J].The Iron and Steel Institute of Japan,1993,32(12):888-897.
• [7]小松登,新井透.炭化物被覆による鋼部品の耐摩耗性の改善[J].日本金属学会会報,1982(1):16-25.KOMATSU N,ARAI T.Improvement in wear resistance of steel parts[J].The Iron and Steel Institute of Japan,1982(1):16-25.
• [8]薛松,周杰,张艳伟,等.H13钢退火态中的碳化物分析[J].材料热处理学报,2012,33(2):100-105.XU Song,ZHOU Jie,ZHANG Yan-wei.Analysis of carbides in spheroidized H13 steel[J].Transactions of Materials and Heat Treatment,2012,33(2):100-105.
• [9]Khalaj G,Nazari A,Khoie S M M,et al.Chromium carbonitride coating produced on DIN 1.2210 steel by thermo-reactive deposition technique:Thermodynamics,kinetics and modeling[J].Surface&Coatings Technology,2013,225(7):1-10.
• [10]Biesuz M,Sglavo M.Chromium and vanadium carbide and nitride coatings obtained by TRD techniques on UNI 42Cr Mo S4(AISI 4140)steel[J].Surface&Coatings Technology,2016,286:319-326.
• [11]Pouraliakbar H,Khalaj G,Gomidzelovic L,et al.Duplex ceramic coating produced by low temperature thermo-reactive deposition and diffusion on the cold work tool steel substrate:Thermodynamics,kinetics and modeling[J].Ceramics International,2015,41(8):9350-9360.
• [12]刘秀娟,王华昌.不同基体材料TD法盐浴渗钒层的组织及硬度[J].材料热处理学报,2010,31(1):150-154.LIU Xiu-juan,WANG Hua-chang.Microstructure and hardness of vanadium carbide coatings prepared by thermal diffusion process on different steel substrate[J].Transactions of Materials and Heat Treatment,2010,31(1):150-154.
• [13]Feng X F,Xie G T,Zhang X H,et al.A comparison of some wear rate equations[J].Journal of Tainjing Institute of Technology,1998,14(s1):43-45.
• [14]Baseri H,Sadeghian S.Effects of nanopowder Ti O2-mixed dielectric and rotary tool on EDM[J].The International Journal of Advanced Manufacturing Technology,2016,83(1):519-528.
• [15]Kang Q,He X,Ren S,et al.Preparation of copper-diamond composites with chromium carbide coatings on diamond particles for heat sink applications[J].Applied Thermal Engineering,2013,60(1/2):423-429.

文章评论(Comment)：