全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
材料工程  2013 

活塞环用Mo-(NiCr-Cr3C2)复合涂层的优化研究

DOI: 10.3969/j.issn.1001-4381.2013.12.007, PP. 37-43

Keywords: NiCr-Cr3C2,Mo,复合涂层,力学性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用机械混合方法配制喷涂用粉末Mo-(NiCr-Cr3C2),并利用大气等离子喷涂方法制备活塞环耐磨涂层,对涂层进行力学性能以及摩擦学性能测试。结果表明,Mo的添加有助于减小涂层的孔隙率,涂层显微硬度随Mo含量的增加而降低,添加20%(质量分数)Mo的复合涂层具有较好的摩擦磨损性能。复合涂层的磨损主要表现为黏着磨损和磨粒磨损,NiCr-Cr3C2含量高的涂层存在较多的剥落现象。涂层的耐磨性与涂层的硬度模量比(H/E)有较好的对应关系。

References

[1]  XIE G Z, LU Y J, HE Z Y, et al. Microstructure and corrosion properties of plasma-sprayed NiCr-Cr3C2 coatings comparison with different post treatment[J]. Surface and Coatings Technology, 2008, 202(13):2885-2890.
[2]  温诗铸, 黄平. 摩擦学原理[M]. 北京:清华大学出版社, 2008.262-272.
[3]  HOLMBERG K, MATTHEWS A, RONKAINEN H. Coatings tribology-contact mechanisms and surface design[J]. Tribology International, 1998, 31(1-3):107-120.
[4]  JIN Y S, YANG Y Y. Tribological behavior of various plasma-sprayed ceramic coatings[J]. Surface and Coatings Technology, 1997, 88(1-3):248-256.
[5]  HOUDKOVá ?, ZAHáLKA F, KA?PAROVá M, et al. Comparative study of thermally sprayed coatings under different types of wear conditions for hard chromium replacement[J]. Tribology Letters, 2011, 43(2):139-154.
[6]  HUANG C B, DU L Z, ZHANG W G. Preparation and characterization of atmospheric plasma sprayed NiCr-Cr3C2-BaF2 center dot CaF2 composite coating[J]. Surface and Coatings Technology, 2009, 203(20-21):3058-3065.
[7]  DAO M, LU L, ASARO R J, et al. Toward a quantitative understanding of mechanical behavior of nanocrystalline metals[J]. Acta Materialia, 2007, 55(12):4041-4065.
[8]  LEYLAND A, MATTHEWS A. On the significance of the H/E ratio in wear control: a nanocomposite coating approach to optimised tribological behavior[J]. Wear, 2000, 246(1-2):1-11.
[9]  ANSTIS G R, CHANTIKUL P, LAWN B R, et al. A critical evaluation of indentation techniques for measuring fracture toughness: I, direct crack measurements[J]. Journal of the American Ceramic Society, 1981, 164(9):533-538.
[10]  HERBST-DEDERICHS C. Thermal spray solutions for diesel engine piston rings[A]. Proceedings of the 2003 International Thermal Spray Conference[C]. Materials Park, Ohio, USA:ASM International, 2003.129-138.
[11]  PRIEST M, TAYLOR C M. Automobile engine tribology approaching the surface[J]. Wear, 2000, 241(2):193-203.
[12]  TAYLOR C M. Automobile engine tribology-design consideration for efficiency and durability[J]. Wear, 1998, 221(1):1-8.
[13]  CHO D H, LEE Y Z. Evaluation of ring surfaces with several coatings for friction, wear and scuffing life[J]. Transactions of Nonferrous Metals Society of China (English Edition), 2009, 19(4):992-996.
[14]  KARAMIS M B, YILDIZLI K, CAKIRER H. An evaluation of surface properties and frictional forces generated from Al-Mo-Ni coating on piston ring[J]. Applied Surface Science, 2004, 230(1-4):191-200.
[15]  鹿云. 柴油机活塞环缸套摩擦学特性研究[J]. 汽车技术, 2008, 20(5):88-92. LU Y. Study on tribology property of cylinder liner piston ring for diesel engine[J]. Automobile Technology, 2008, 20(5):88-92.
[16]  NIRANATLUMPONG P, KOIPRASERT H. The effect of Mo content in plasma-sprayed Mo-NiCrBSi coating on the tribological behavior[J]. Surface and Coatings Technology, 2010, 205(2):483-489.
[17]  LEGG K O, GRAHAM M, CHANG P, et al. The replacement of electroplating[J]. Surface and Coatings Technology, 1996, 81(1):99-105.
[18]  RASTEGAR F, RICHARDSON D E. Alternative to chrome: HVOF cermet coatings for high horse power diesel engines[J]. Surface and Coatings Technology, 1997, 90(1-2):156-163.
[19]  AHN H S, LYO I W, LIM D S. Influence of molybdenum composition in chromium oxide-based coatings on their tribological behavior[J]. Surface and Coatings Technology, 2000, 133-134:351-361.
[20]  周克崧. 热喷涂技术替代电镀硬铬的研究进展[J]. 中国有色金属学报, 2004, 14(增刊1):182-191.ZHOU K S. Progress of thermal spray coating of hard Cr instead of plating[J]. The Chinese Journal of Nonferrous Metals, 2004, 14(S1):182-191.
[21]  祁三军, 陈阳, 张萍. 内燃机活塞环表面处理技术的发展趋势[J]. 机车车辆工艺, 2006, (2):7-9. QI S J, CHEN Y, ZHANG P. Progress in the surface treatment technologies for the piston ring of diesel engine[J]. Locomotive and Rolling Stock Technology, 2006, (2):7-9.
[22]  WOYDT M, KELLING N. Testing the tribological properties of lubricants and materials for the system "piston ring/cylinder liner" outside of engines[J]. Industrial Lubrication and Tribology, 2003, 55(5):213-222.
[23]  WOYDT M, EBRECHT J. Testing friction and wear of the tribosystem piston ring and cylinder liner outside of engines[J]. Tribo Test, 2008, 14(2):113-126.
[24]  OZDEMIR I, TEKMEN C, OKUMUS S C, et al. Thermal behaviour of plasma-sprayed Mo coating on cast-iron substrate[J]. Surface and Coatings Technology, 2003, 174-175:1064-1069.
[25]  HWANG J H, HAN M S, KIM D Y, et al. Tribological behavior of plasma spray coatings for marine diesel engine piston ring and cylinder liner[J]. Journal of Materials Engineering and Performance, 2006, 15(3):328-335
[26]  MARSHALL D B, NOMA T, EVANS A G. Simple method for determining elastic-modulus-to-hardness ratios using knoop indentation measurements[J]. Communications of the American Ceramic Society, 1982, 65(10):C175-C176.
[27]  SUI P C, ARIGA S. Piston ring pack friction and lubrication analysis of an automotive engine using a mixed lubrication model[A]. International Pacific Conference on Automotive Engineering[C]. Phoenix, Arizona, USA:SAE International, 1993.
[28]  JOHANSSON S, NILSSON P H, OHLSSON R, et al. Experimental friction evaluation of cylinder liner/piston ring contact[J]. Wear, 2011, 271(3-4):625-633.
[29]  黑鹏辉. 等离子喷涂制备Cr3C2-NiCr与WC-NiCr涂层及其结构性能[D]. 天津:天津大学, 2008.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133