李崇桂,王铀,封小松,闫华,张培磊,于治水

• 1:上海工程技术大学材料工程学院
• 2:哈尔滨工业大学材料科学系
• 3:上海航天设备制造总厂

摘要(Abstract)：

采用普通Metco 130粉末及纳米结构Al2O3-13%TiO2粉末通过等离子喷涂和激光重熔复合技术分别在Ti-6Al-4V合金表面制备了激光重熔涂层。采用扫描电镜(SEM)和维氏硬度计等手段观察和研究了激光重熔前后涂层的微观组织和硬度。结果表明,激光重熔后,消除了等离子喷涂涂层的层状结构,获得了致密的重熔涂层,且纳米结构重熔涂层传承了喷涂态涂层的双模态组织特征。随着扫描速度的降低,涂层表面的致密度提高。纳米结构重熔涂层的硬度为1150 HV 0.3至1750 HV 0.3,比重熔之前的喷涂态涂层约提高了60%。

关键词(KeyWords)： 等离子喷涂;激光重熔;Al2O3-TiO2涂层;钛合金;双模态组织

Abstract:

Keywords:

基金项目(Foundation): 上海高校一流学科建设计划(YLJX12-2);; 上海市教育委员会科研创新项目(12ZZ186,13YZ114);; 上海高校青年教师培养资助计划(shgcjs002);; 上海工程技术大学科研基金项目(校启2011-07,2012gp22);; 上海航天科技创新基金项目(SAST201207)

作者(Author): 李崇桂,王铀,封小松,闫华,张培磊,于治水

DOI: 10.13289/j.issn.1009-6264.2013.07.012

参考文献(References)：

• [1]Akram M,Jansen K M B,Ernst L J,et al.Atmospheric pressure plasma surface modification of titanium for high temperature adhesive bonding[J].International Journal of Adhesion and Adhesives,2011,31(7):598-604.
• [2]Bansal D G,Eryilmaz O L,Blau P J.Surface engineering to improve the durability and lubricity of Ti-6Al-4V alloy[J].Wear,2011,271(9-10):2006-2015.
• [3]张高会,张平则,葛洪良,等.钛合金双层辉光放电离子无氢渗碳制备工艺研究[J].材料热处理学报,2007,28(S1):110-114.ZHANG Gao-hui,ZHANG Ping-ze,GE Hong-liang,et al.The preparation processing parameter study of the double glow discharge plasma hydrogen-free carburizing on titanium alloy surface[J].Transactions of Materials and Heat Treatment,2007,28(S1):110-114.
• [4]曹丽琴,轩福贞,王正东,等.纳米压/划痕表征激光渗氮层的弹塑性力学性能[J].材料热处理学报,2011,32(11):157-160.CAO Li-qin,XUAN Fu-zhen,WANG Zheng-dong,et al.Elastic-plastic mechanical properties of laser nitriding layer on Ti6Al4V alloy characterized bynanoindentation and nanoscratch[J].Transactions of Materials and Heat Treatment,2011,32(11):157-160.
• [5]Ueda M,Susukida D,Konda S,et al.Improvement of resistance of TiAl alloy against high temperature oxidation by electroplating in AlCl3-NaCl-KCl-CrCl2 molten Salt[J].Surface and Coatings Technology,2004,176(2):202-208.
• [6]Ceschini L,Lanoni E,Martini C,et al.Comparison of dry sliding friction and wear of Ti6Al4V alloy treated by plasma electrolytic oxidation and PVDcoating[J].Wear,2008,264(1-2):86-95.
• [7]Zhou C G,Cai F,Kong J,et al.A study on the tribological properties of low-pressure plasma-sprayed Al-Cu-Fe-Cr quasicrystalline coating on titaniumalloy[J].Surface and Coatings Technology,2004,187(2-3):225-229.
• [8]Tian Y S,Chen C Z,Li S T,et al.Research progress on laser surface modification of titanium alloy[J].Applied Surface Science,2005,242(1-2):177-184.
• [9]Liu X Y,Chu P K,Ding C X.Surface modification of titanium,titanium alloys,and related materials for biomedical applications[J].Materials Scienceand Engineering R,2004,47(3-4):49-121.
• [10]Wang Y,Jiang S,Wang M D,et al.Abrasive wear characteristics of plasma sprayed nanostructured alumina/titania coatings[J].Wear,2000,237(2):176-185.
• [11]Goberman D,Sohn Y H,Shaw L,et al.Microstructure development of Al2O3-13wt%TiO2 plasma sprayed coatings derived from nanocrystallinepowders[J].Acta Materialia,2002,50(5):1141-1152.
• [12]Zheng M,Fan D,Li X K,et al.Microstructure and in vitro bioactivity of laser-cladded bioceramic coating on titanium alloy in a simulated body fluid[J].Journal of Alloys and Compounds,2010,489(1):211-214.
• [13]郭立新,刘荣祥,王亚明,等.钛合金表面激光重熔NiCrBSi+TiN涂层的组织研究[J],材料热处理学报,2009,30(2):134-137.GUO Li-xin,LIU Rong-xiang,WANG Ya-ming,et al.Study on microstructure of laser remelted NiCrBSi+TiN coatings on surface of tianium alloy[J].Transactions of Materials and Heat Treatment,2009,30(2):134-137.
• [14]Iwaszko J.Surface remelting treatment of plasma-sprayed Al2O3+13 wt%TiO2 coatings[J].Surface and Coatings Technology,2006,201(6):3443-3451.
• [15]Yang Y Z,Zhu Y L,Liu Z Y,et al.Laser remelting of plasma sprayed Al2O3 ceramic coatings and subsequent wear resistance[J].Materials Scienceand Engineering A,2000,291(1-2):168-172.
• [16]Dubourg L,Lima R S,Moreau C.Properties of alumina-titania coatings prepared by laser-assisted air plasma spraying[J].Surface and CoatingsTechnology,2007,201(14):6278-6284.
• [17]Shaw L,Goberman D,Ren R,et al.The dependency of microstructure and properties of nanostructured coatings on plasma spray conditions[J].Surface and Coatings Technology,2000,130(1):1-8.
• [18]Tian W,Wang Y,Yang Y.Fretting wear behavior of conventional and nanostructured Al2O3-13wt%TiO2 coatings fabricated by plasma spray[J].Wear,2008,265(11-12):1700-1707.
• [19]Tian W,Wang Y,Yang Y,et al.Toughening and strengthening mechanism of plasma sprayed nanostructured Al2O3-13wt%TiO2 Coatings[J].Surface and Coatings Technology,2009,204(5):642-649.
• [20]李崇桂,田伟,杨勇,等.TC4钛合金表面等离子喷涂Al2O3-13wt%TiO2涂层及激光重熔研究[J].材料热处理学报,2007,28(S1):228-232.LI Chong-gui,TIAN Wei,YANG Yong,et al.Microstructure and properties of Al2O3-13wt%TiO2 coatings fabricated by plasma spraying and laserremelting on titanium alloy[J].Transactions of Materials and Heat Treatment,2007,28(S1):228-232.
• [21]Wang Y,Li C G,Tian W,et al.Laser surface remelting of plasma sprayed nanostructured Al2O3-13wt%TiO2 coatings on titanium alloy[J].AppliedSurface Science,2009,255(20):8603-8610.
• [22]Wang D S,Tian Z J,Shen L D,et al.Influences of laser remelting on microstructure of nanostructured Al2O3-13wt%TiO2 coatings fabricated byplasma spraying[J].Applied Surface Science,2009,255(8):4606-4610.
• [23]Wang Y,Li C G,Guo L X,et al.Laser remelting of plasma sprayed nanostructured Al2O3-TiO2 coatings at different laser power[J].Surface andCoatings Technology,2010,204(21-22):3559-3566.

文章评论(Comment)：