期刊
TRIBOLOGY INTERNATIONAL
卷 180, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2023.108265
关键词
Surface texture; Residual stress; Laser; Belt grinding
Both texturing and residual stress have a positive impact on the tribological properties of the surface. A synergistic processing method involving laser and abrasive belt is proposed based on this effect. The results indicate that the co-processed surfaces show more regular and flatter textures with better retention of grooves. They also exhibit compressive stress, which leads to advantages in dry friction and boundary lubrication. When the residual compressive stress surpasses the initial stress, the surfaces demonstrate improved wear resistance, reducing wear depth by 56.88% (from 2.69 mm to 1.16 mm) and wear area width by 44.90% (from 689.41 mm to 379.84 mm).
Both texturing and residual stress have a positive effect on tribological properties of surface. According to the effect, a synergistic processing method by laser and abrasive belt is proposed. The results show that the texture of co-processed surface is more regular and flatter with stronger grooves retention. With none stress and initial stress as the benchmark, the co-processed surfaces are all in compressive stress. The co-processed surfaces exhibit some advantages under dry friction and boundary lubrication. When residual compressive stress is greater than the initial, the surfaces show better wear resistance where wear depth can be reduced by 56.88 % from 2.69 mm to 1.16 mm and wear area width can be reduced by 44.90 % from 689.41 mm to 379.84 mm.
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