Effects of Texture Density on Tribological Performance of Laser Peen Textured Surface
Effects of Texture Density on Tribological Performance of Laser Peen Textured Surface
复制标题
织构密度对激光喷丸织构表面摩擦学性能的影响
DOI：
10.4028/www.scientific.net/amm.404.106
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发表时间：
2013-09
期刊：
影响因子：
--
通讯作者：
Yongxiang Hu
中科院分区：
文献类型：
--
作者：
Kangmei Li;Zhenqiang Yao;Yongxiang Hu
表面纹理处理被认为是改善滑动表面摩擦学性能的有效手段。采用激光喷丸毛化(LPT)技术在无氧高导铜表面制备了不同密度的微窝。通过面对面滑动接触试验，测试了样品在恒定滑动速度和线性递增载荷作用下的摩擦学特性。研究了织构密度对摩擦系数、失效时间和承载能力的影响。研究发现，与光滑表面相比，光滑表面有助于降低摩擦系数，延长失效时间，提高承载能力。结果还表明，可能存在一个最佳织构密度，其表面表现出比高织构密度和低织构密度更好的摩擦学性能。
Surface texturing has been recognized as an effective means to improve the tribological performances of sliding surfaces. Different densities of micro dimples were fabricated on Oxygen-Free High Conductivity (OFHC) copper by laser peen texturing (LPT). The tribological characteristics of the samples were tested by surface-to-surface sliding contact experiments under constant sliding velocity and linearly increased normal load. The effects of texture density on the friction coefficient, failure time and load carrying capacity were investigated. It was found that in comparison with smooth surfaces, textured surfaces help to reduce the friction coefficient, prolong the failure time and improve the load carrying capacity. Results also suggested that there might exit an optimum texture density with which the surface exhibits better tribological behavior than those with higher and lower texture densities.
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影响因子：
6.2
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