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第4期 陈华辉等:激光熔覆WCN60B复合涂层在水润滑滑动摩擦环境下的磨损特性 ·487· 图8WCn涂层水润滑磨损后表面组织背散射电子形貌(500N).(a)2000m:(b)4000m Fig.8 Worn surface BSE images of the WCn coating under water lubrication at 500 N:(a)2000 m:(b)4000 m 作用,减少摩擦热引起的温度升高,降低涂层摩擦表 构.激光杂志,2002,23(4):58) 面的温升和热软化,因此也降低涂层的磨损. [6]Si S H,Xu K,Yuan X M,et al.Microstructure and wear perform- (3)水润滑磨损条件下,WCm复合涂层和 ance of laser cladding CrC/Co alloy compositecoating.Tribolo- ,2006,26(2):125 WCn复合涂层的磨损机理有所不同,这与脱落的 (斯松华,徐锟,袁晓敏,等.激光熔覆C,C,/Co基合金复合 WC颗粒大小有关.WCm涂层磨损后表面光滑,磨 涂层组织与摩擦磨损性能研究.摩擦学学报,2006,26(2): 损中脱落的WC颗粒分布在摩擦副之间相当于抛光 125) 剂,起到类似于抛光的作用;WCn复合涂层磨损后 Qu C F.Comparing of Testing Study for Laser Cladding of Ni Pow- der and Co Porder [Dissertation].Changchun:Changchun Uni- 表面形貌为微犁沟. versity of Seience and Technology,2006 (4)水润滑摩损条件下,WCm和WCn复合涂 (曲广福.激光熔覆Ni基粉末和Co基粉末对比试验研究[学 层中过饱和W元素发生扩散、聚集.磨损过程中发 位论文].长春:长春理工大学,2006) 生的元素扩散现象可能与这些组织内的残余应力分 [8]Lu PP,Wang Y.Han B,et al.Microstructure and friction and 布有关. wear properties of laser cladding Febased alloy coatings on brake dise of deep-well drilling rig.China Surf Eng,2010,23(1):92 参考文献 (陆萍萍,王勇,韩彬,等.深井钻机刹车盘激光熔覆铁基涂 层的组织与摩擦磨损性能.中国表面工程,2010,23(1):92) [Qiu X W,Li G,Qiu L.The latest development and prospects of 9] Wang X R.Research on Laser Cladding Fe-based Coating Rein- laser cladding technology.Rare Met Cemented Carbides,2008.3 forced by Ceramic Phase Particles [Dissertation].Jinan:Shandong (3):54 University,2010 (邱星武,李刚,邱玲.激光熔覆技术发展现状及展望.稀有金 (王晓荣.激光熔覆陶瓷相颗粒增强F©基熔覆层的研究[学 属与硬质合金,2008,36(3):54) 位论文].济南:山东大学,2010) [2]Chen J M,Wang LQ.Zhou JS,et al.Research progress of laser [1o] Liu X G,Wang Y,Han B,et al.Analysis of the microstructure, clad Ni-ased coatings.China Suf Eng,2011,24(2):13 wear and corrosion resistance of laser-elad Ni-coated WC compos- (陈建敏,王凌倩,周健松,等.激光熔覆N基涂层研究进展 ite coating and its application.Electroplat Finish,2011,30(5): 中国表面工程,2011,24(2):13) 72 B3]Cao HZ,Chen HH,Zhang W X.Tribological properties of Ni- (刘兴光,王勇,韩彬,等.激光熔覆Ni包WC复合涂层的 based alloys reinforced by WC particles of different size.Lubr 组织、耐磨和耐蚀性分析及应用.电镀与涂饰,2011,30(5): Eng,2012,37(2):79 72) (曹洪治,陈华辉,张文欣.WC粒度对N基合金摩擦磨损性能 [11]Li X H,Fu Y M,Li W,et al.Study on laser cladding on alloy 的影响.润滑与密封,2012,37(2):79) powder reinforeed with nano-WC particles.Hot Work Technol, 4]Huang X F.An Investigation on Microstructure and Properties of Ni- 2011,40(24):171 based Alloy by Laser Cladding and Laser Cladding Forming [Dis- (李晓慧,付宇明,李伟,等.激光熔覆纳米W℃颗粒增强型 sertation].Changchun:Jilin University,2011 合金粉末的研究.热加工工艺,2011,40(24):171) (黄晓风.激光熔覆和熔覆成形镍基合金的组织与性能研究 [12]Wang H,Xia W M,JinY S.A study on abrasive resistance of [学位论文].长春:吉林大学,2011) Ni-asedcoatings with a WC hardphase.Wear,1996,195 (1/ [5]Si S H,Yuan X M,He Y Z.Microstructure of laser cladding Co- 2):47 based alloy coating.Laser J.2002,23(4):58 [13]Chen HH,Xu C Y,Chen J.Microstructure and phase transfor- (斯松华,袁小敏,何宜柱,激光熔覆钻基合金涂层的组织结 mation of WC/Ni60B laser cladding coatings during dry sliding第 4 期 陈华辉等: 激光熔覆 WC/Ni60B 复合涂层在水润滑滑动摩擦环境下的磨损特性 图 8 WCn 涂层水润滑磨损后表面组织背散射电子形貌( 500 N) . ( a) 2000 m; ( b) 4000 m Fig. 8 Worn surface BSE images of the WCn coating under water lubrication at 500 N: ( a) 2000 m; ( b) 4000 m 作用,减少摩擦热引起的温度升高,降低涂层摩擦表 面的温升和热软化,因此也降低涂层的磨损. ( 3) 水润滑磨损条件下,WCm 复 合 涂 层 和 WCn 复合涂层的磨损机理有所不同,这与脱落的 WC 颗粒大小有关. WCm 涂层磨损后表面光滑,磨 损中脱落的 WC 颗粒分布在摩擦副之间相当于抛光 剂,起到类似于抛光的作用; WCn 复合涂层磨损后 表面形貌为微犁沟. ( 4) 水润滑摩损条件下,WCm 和 WCn 复合涂 层中过饱和 W 元素发生扩散、聚集. 磨损过程中发 生的元素扩散现象可能与这些组织内的残余应力分 布有关. 参 考 文 献 [1] Qiu X W,Li G,Qiu L. The latest development and prospects of laser cladding technology. Rare Met Cemented Carbides,2008,36 ( 3) : 54 ( 邱星武,李刚,邱玲. 激光熔覆技术发展现状及展望. 稀有金 属与硬质合金,2008,36( 3) : 54) [2] Chen J M,Wang L Q,Zhou J S,et al. Research progress of laser clad Ni-based coatings. China Surf Eng,2011,24( 2) : 13 ( 陈建敏,王凌倩,周健松,等. 激光熔覆 Ni 基涂层研究进展. 中国表面工程,2011,24( 2) : 13) [3] Cao H Z,Chen H H,Zhang W X. Tribological properties of Ni￾based alloys reinforced by WC particles of different size. Lubr Eng,2012,37( 2) : 79 ( 曹洪治,陈华辉,张文欣. WC 粒度对 Ni 基合金摩擦磨损性能 的影响. 润滑与密封,2012,37( 2) : 79) [4] Huang X F. An Investigation on Microstructure and Properties of Ni￾based Alloy by Laser Cladding and Laser Cladding Forming[Dis￾sertation]. Changchun: Jilin University,2011 ( 黄晓凤. 激光熔覆和熔覆成形镍基合金的组织与性能研究 [学位论文]. 长春: 吉林大学,2011) [5] Si S H,Yuan X M,He Y Z. Microstructure of laser cladding Co￾based alloy coating. Laser J,2002,23( 4) : 58 ( 斯松华,袁小敏,何宜柱. 激光熔覆钴基合金涂层的组织结 构. 激光杂志,2002,23( 4) : 58) [6] Si S H,Xu K,Yuan X M,et al. Microstructure and wear perform￾ance of laser cladding Cr3C2 /Co alloy compositecoating. Tribolo￾gy,2006,26( 2) : 125 ( 斯松华,徐锟,袁晓敏,等. 激光熔覆 Cr3C2 /Co 基合金复合 涂层组织与摩擦磨损性能研究. 摩擦学学报,2006,26 ( 2) : 125) [7] Qu G F. Comparing of Testing Study for Laser Cladding of Ni Pow￾der and Co Powder[Dissertation]. Changchun: Changchun Uni￾versity of Science and Technology,2006 ( 曲广福. 激光熔覆 Ni 基粉末和 Co 基粉末对比试验研究[学 位论文]. 长春: 长春理工大学,2006) [8] Lu P P,Wang Y,Han B,et al. Microstructure and friction and wear properties of laser cladding Fe-based alloy coatings on brake disc of deep-well drilling rig. China Surf Eng,2010,23( 1) : 92 ( 陆萍萍,王勇,韩彬,等. 深井钻机刹车盘激光熔覆铁基涂 层的组织与摩擦磨损性能. 中国表面工程,2010,23( 1) : 92) [9] Wang X R. Research on Laser Cladding Fe-based Coating Rein￾forced by Ceramic Phase Particles[Dissertation]. Jinan: Shandong University,2010 ( 王晓荣. 激光熔覆陶瓷相颗粒增强 Fe 基熔覆层的研究[学 位论文]. 济南: 山东大学,2010) [10] Liu X G,Wang Y,Han B,et al. Analysis of the microstructure, wear and corrosion resistance of laser-clad Ni-coated WC compos￾ite coating and its application. Electroplat Finish,2011,30( 5) : 72 ( 刘兴光,王勇,韩彬,等. 激光熔覆 Ni 包 WC 复合涂层的 组织、耐磨和耐蚀性分析及应用. 电镀与涂饰,2011,30( 5) : 72) [11] Li X H,Fu Y M,Li W,et al. Study on laser cladding on alloy powder reinforced with nano-WC particles. Hot Work Technol, 2011,40( 24) : 171 ( 李晓慧,付宇明,李伟,等. 激光熔覆纳米 WC 颗粒增强型 合金粉末的研究. 热加工工艺,2011,40( 24) : 171) [12] Wang H,Xia W M,JinY S. A study on abrasive resistance of Ni-basedcoatings with a WC hardphase. Wear,1996,195 ( 1 / 2) : 47 [13] Chen H H,Xu C Y,Chen J. Microstructure and phase transfor￾mation of WC /Ni60B laser cladding coatings during dry sliding ·487·
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