铝合金基体电热爆炸喷涂钼涂层的制备工艺与性能Process and properties of molybdenum coatings prepared by electro-thermal explosion spraying on aluminum alloy surface
刘加健,樊新民
摘要(Abstract):
采用电热爆炸喷涂技术在铝合金基体上制备钼涂层,用SEM、划痕仪、显微硬度计、表面粗糙度仪、微磨损试验机等表征了涂层性能。借助正交试验方法分析了钼涂层制备中各工艺参数对涂层质量的影响,确定了最佳工艺参数。结果表明:用电热爆炸喷涂方法制备的钼涂层均匀致密,孔隙率低;涂层与基体形成冶金结合,结合强度高;涂层硬度为基体的4.9倍,体积磨损量仅为基体的11.2%,耐磨性大幅增加。电爆炸喷涂的工艺参数中,对涂层质量和结合力影响最大的是喷涂距离,其次是喷涂次数,影响最小的是喷涂电压。
关键词(KeyWords): 电热爆炸喷涂;铝合金;钼涂层;结合力;耐磨性
基金项目(Foundation):
作者(Author): 刘加健,樊新民
DOI: 10.13289/j.issn.1009-6264.2012.09.028
参考文献(References):
- [1]Tamura H,Konoue M,Sawaoka A B.Zironium boride and tantalum carbide coatings sprayed by electro thermal explosion of powders[J].Journal ofThermal Sprayed Technology,1997,6(4):463-468.
- [2]魏世丞,徐滨士,王海斗,等.电热爆炸喷涂的发展及其关键技术分析[J].中国表面工程.2008,21(4):8-13.WEI Shi-cheng,XU Bin-shi,WANG Hai-dou,et al.The development and key technology analysis of electro-thermal explosion[J].China SurfaceEngineering,2008,21(4):8-13.
- [3]Yamaamoto M,Tazaki K,Ogawa R,et al.Development of wire explosion sprayed coating of cylinder bore[J].Kawasaki Technical Review,2000,145:42-45.
- [4]陈刚,贺跃辉,沈培智.发动机活塞和缸套材料及其加工工艺研究现状[J].粉末冶金材料科学与工程,2009,14(4):205-212.CHEN Gang,HE Yue-hui,SHEN Pei-zhi.Research actualities on materials and processes of engine piston parts and cylinder liner[J].MaterialsScience and Engineering of Powder Metallurgy,2009,14(4):205-212.
- [5]路炜.提高发动机铝合金件耐磨性的表面处理工艺[J].电镀与精饰,2007,29(3):25-27.LU Wei.Surface treatment technology for increasing wear resistance of aluminum alloy engine parts[J].Plating and Finishing,2007,29(3):25-27.
- [6]薛玉娥,林香祝,张影寰.用划痕法测定硬质涂层的结合力[J].陕西机械学院学报,1989,5(1):65-73.XUE Yu-e,LIN Xiang-zhu,ZHANG Ying-huan.Hard coating adhesion strength determined by scratch test[J].Journal of Shanxi Mechanical School,1989,5(1):65-73.
- [7]胡明,张延华,车成卫.爆炸喷射沉积WC-Co涂层组织及显微硬度分析[J].材料科学与工艺,1997,5(1):103-106.HU Ming,ZHANG Yan-hua,CHE Cheng-wei.The explosive jet deposition of WC-Co coating microstructure and microhardness analysis[J].MaterialsScience and Technology,1997,5(1):103-106.
- [8]张玉娟,孙晓峰,金涛,等.爆炸喷涂NiCrAlTaY涂层的微观组织分析[J].金属学报,2003,39(2):185-188.ZHANG Yu-juan,SUN Xiao-feng,JIN Tao,et al.Explosion sprayed NiCrAlTaY coating microstructure analysis[J].Acta Metallurgica Sinica,2003,39(2):185-188.
- [9]严淑群.钼系涂层的制备工艺研究[J].湖南冶金,2001,2:16.YAN Shu-qun.Research of molybdenum coating preparation technology[J].Hunan Metallurgy,2001,2:16.
- [10]华敏奇,袁振海.划痕试验法对特殊薄膜系结合力的检测与评价[J].分析测试技术与仪器,2002,8(4):218-225.HUA Min-qi,YUAN Zhen-hai.The scratch test method for special film is combined force detection and evaluation[J].Analysis and TestingTechnology and Instruments,2002,8(4):218-225.
- [11]Richerby D S.A review of the methods for the measurement of coating-substrate adhesion[J].Surf Coat Technol,1988,36,541-557.
- [12]Bull S J,Rickerby D S.The use of scratch adhesion testing for the determination of interfacial adhesion:the importance of friction drag[J].Surf CoatTechnol,1988,36:503-517.
- [13]胡树兵,朱晓青,李志章,等.用划痕法测定TiN涂层结合力的影响因素[J].湖北汽车工业学院学报,2001,15(2):25-31.HU Shu-bing,ZHU Xiao-qing,LI Zhi-zhang,et al.By scratching method for the determination of TiN coating binding force factors[J].Journal ofHubei Automotive Industries Institute,2001,15(2):25-31.
- [14]杜新武,宋道志,王建中.电爆炸喷涂过程中冲击波的理论分析[J].科技导报,2009,27(5):51-55.DU Xin-wu,SONG Dao-zhi,WANG Jian-zhong.Theoretical study on shock waves in wire explosion spraying[J].Science&Technology Review,2009,27(5):51-55.
- [15]陈学定,韩文政.表面涂层技术[M].北京:机械工业出版社,1994:9-92.
- [16]刘宗德,安江英,杨昆,等.电爆炸高速喷涂新技术研究[J].爆炸与冲击,2001,21(1):17-20.LIU Zong-de,AN Jiang-ying,YANG Kun,et al.Study of new high speed electro explosion[J].Explosion and Shock Waves,2001,21(1):17-20.
- [17]Kitahara S,Hasui A.Study of the bonding mechanism of sprayed coatings[J].Journal of Vacuum Science and Technology,1974,11(4):747-753.
- [18]覃奇贤,刘淑兰.镀层与基体的结合力[J].电镀与精饰,2010,32(1):34-36.QIN Qi-xian,LIU Shu-lan.Adhesion of coating with substrate[J].Plating and Finishing,2010,32(1):34-36.
- [19]温诗铸.摩擦学原理[M].北京:清华大学出版社,1990:1-5.
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