钛铝合金表面飞秒激光烧蚀特性研究
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摘要
Ti-6Al-4V钛铝合金具有比强度高、耐腐蚀性强、生物相容性好等一系列优点,是使用最广泛的钛合金之一,但其耐磨性较差,限制了其在有摩擦工况下的使用。采用飞秒激光脉冲烧蚀钛铝合金TC4表面,研究了激光功率、扫描速度以及离焦量对飞秒激光烧蚀的深度、形貌的影响。并在钛铝合金表面制做了二维周期结构。采用显微硬度计测试截面硬度,UMT-2多功能微摩擦磨损试验机对样品表面耐摩擦性能进行测试。结果表明:钛合金表面硬度提高了约65%左右;表面磨擦系数降低3至4倍。
Ti-6 Al-4 V titanium alloy is one of the most widely used titanium alloys because of its high specific strength,strong corrosion resistance and good biocompatibility,but its wear resistance is poor,which limits its use under friction conditions. In this paper,the effects of laser power,scanning speed and defocus on the depth and morphology of femtosecond laser ablation on the surface of titanium aluminum alloy( TC4) were investigated by femtosecond laser pulse ablation. The two-dimensional periodic structure was fabricated on the surface of Ti-Al alloy. Using micro-hardness meter to test cross section hardness,the friction resistance of the sample surface was tested by UMT-2 multifunctional micro friction and wear tester. The results show that the surface hardness and friction coefficient of titanium alloy are increased about 65% and 4 times respectively.
Ti-6 Al-4 V titanium alloy is one of the most widely used titanium alloys because of its high specific strength,strong corrosion resistance and good biocompatibility,but its wear resistance is poor,which limits its use under friction conditions. In this paper,the effects of laser power,scanning speed and defocus on the depth and morphology of femtosecond laser ablation on the surface of titanium aluminum alloy( TC4) were investigated by femtosecond laser pulse ablation. The two-dimensional periodic structure was fabricated on the surface of Ti-Al alloy. Using micro-hardness meter to test cross section hardness,the friction resistance of the sample surface was tested by UMT-2 multifunctional micro friction and wear tester. The results show that the surface hardness and friction coefficient of titanium alloy are increased about 65% and 4 times respectively.
引文
[1]张文光,王成焘,刘维民.钛合金表面改性层的摩擦性能[J].摩擦学学报,2003,23(2):91-94.
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[10] GOH C W,GU Y W,LIM C S,et al. Influence of nanocrystalline Ni Ti reaction agent on self-propagating high-temperature synthesized porous Ni Ti. Intermetallics,2007,15(4):461-467.
[11] BONSE J,KOTER R,HARTELT M,et al Femtosecond laser-induced periodic surface structures on steel and titanium alloy for tribological applications,Appl. Phys. A,2014,117,103-110.
[12] SAWADA Y,SAWADA H,HIRAYAMA N,et al.Tribological performance of femtosecond laser-induced periodic surface structures,Applied Surface Science 2012,336:21-27.
[13] BONSE J,HOHM S,KOTER R,et al,Tribological performance of sub-100-nm femtosecond laser-induced periodic surface structures on titanium,Appl. Surf. Sci.,2016,374:190-196.
[14] WANG Z,ZHAO Q,and WANG C,Reduction of friction of metals using laser-induced periodic surface nanostructures,Micromachines,2015,6:1606-1616.
[15] ZHAO Q Z,MALZER S,and WANG L J,Formation of subwavelength periodic structures on tungsten induced by ultrashort laser pulses,Opt. Lett. 2007,32(13),1932-1934.
[16]王浩竹.飞秒激光在金属钼表面诱导产生纳米量级周期条纹结构的研究.中国激光,2014,4:456.
[17]袁永华.激光辐照硅、锗材料形成表面波纹的实验研究.中国激光,2013,4:154-157.
[2] OSTERLE W,KLAFFKE D,GRIEPENTROG M,et al. Potential of wear resistant coatings on Ti-6Al-4V for artificial hip joint bearing surfaces[J]. Wear,2008,264(7-8):505-517.
[3] PENG X M,XIA C Q,MA K,et al. Interaction of TC4 titanium alloy with Ni Cr Al Y coating after vacuum heat treatment[J]. Mater. Chem. Phys.,2008,107(1):158-163.
[4] CESCHINI L,LANZONI E,MARTINI C,et al. Comparison of dry sliding friction and wear of Ti6Al4V alloy treated by plasma electrolytic oxidation and PVD coating[J]. Wear,2008,264(1-2):86-95.
[5]张光钧.激光表面工程的发展趋势[J].机械制造,2005,43(1):8-11.
[6] YANG S,WAN G Z,KO KAWA H,et al. Reassessment of the effect s of laser surface melting on IGC of SUS 304[J].Materials Science and Engineering A,2008,474(1-2):112-119.
[7]王东生,田宗军,沈理达,等,钛合金激光表面改性技术研究现状[J].激光与光电子学进展,2008,45(6):24-32.
[8] TSUKAMOTO M,ASUKA K,NAKANO H,et al. Periodic microstructures produced by femtosecond laser irradiation on titanium plate. Vacuum,2006,80(11-12):1346-1350.
[9] BOROWIECA A,HAUGEN H K,Subwavelength ripple formation on the surfaces of compound semiconductors irradiated with femtosecond laser pulses. Appl Phys Lett,2003,82(25):4462-4464.
[10] GOH C W,GU Y W,LIM C S,et al. Influence of nanocrystalline Ni Ti reaction agent on self-propagating high-temperature synthesized porous Ni Ti. Intermetallics,2007,15(4):461-467.
[11] BONSE J,KOTER R,HARTELT M,et al Femtosecond laser-induced periodic surface structures on steel and titanium alloy for tribological applications,Appl. Phys. A,2014,117,103-110.
[12] SAWADA Y,SAWADA H,HIRAYAMA N,et al.Tribological performance of femtosecond laser-induced periodic surface structures,Applied Surface Science 2012,336:21-27.
[13] BONSE J,HOHM S,KOTER R,et al,Tribological performance of sub-100-nm femtosecond laser-induced periodic surface structures on titanium,Appl. Surf. Sci.,2016,374:190-196.
[14] WANG Z,ZHAO Q,and WANG C,Reduction of friction of metals using laser-induced periodic surface nanostructures,Micromachines,2015,6:1606-1616.
[15] ZHAO Q Z,MALZER S,and WANG L J,Formation of subwavelength periodic structures on tungsten induced by ultrashort laser pulses,Opt. Lett. 2007,32(13),1932-1934.
[16]王浩竹.飞秒激光在金属钼表面诱导产生纳米量级周期条纹结构的研究.中国激光,2014,4:456.
[17]袁永华.激光辐照硅、锗材料形成表面波纹的实验研究.中国激光,2013,4:154-157.
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