Abstract This paper aims to demonstrate an effective surface texturing fabrication approach in improving the tribological properties of AISI 1045 hardened steel surface. Ultrasonic surface rolling technology was employed to fabricate strengthened surface and line array textured surface on substrates. Characterizations such as morphology, surface residual stress, microhardness, elasticity modulus and surface roughness with different surfaces were examined. Ball-on disk reciprocating sliding dry friction tests were performed. Results indicate that textured surfaces with good quality and accuracy were fabricated by ultrasonic rolling treatment. Increased microhardness and residual compressive stress of surfaces treated by ultrasonic rolling were obtained. Textured surfaces played a positive role in improving tribological performance. The surface with line array textures presented the best efficiency of anti-friction and anti-wear while sliding against GCr15 steel ball, the friction coefficient and sliding ball wear rate decreased by 79% and 98%, respectively, compared with the polished ones. Additionally, the possible tribological mechanism of ultrasonic rolling texturing was discussed. Multistage structure with mm/micro/nano-textures combined with a strengthened layer caused by ultrasonic rolling technology, increased the mechanical and tribological properties of surfaces. The synergistic combination of strengthened layer and texture structure could contribute to prolonging the friction and wear life of materials.

中文翻译：

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在干往复滑动下超声表面滚压在 AISI 1045 钢上制造纹理表面的摩擦学性能

摘要 本文旨在展示一种有效的表面纹理制造方法，以改善 AISI 1045 硬化钢表面的摩擦学性能。采用超声波表面轧制技术在基板上制造强化表面和线阵列纹理表面。研究了不同表面的形貌、表面残余应力、显微硬度、弹性模量和表面粗糙度等特征。进行了球盘往复滑动干摩擦试验。结果表明，通过超声滚压处理制造出具有良好质量和精度的纹理表面。超声轧制表面显微硬度和残余压应力得到提高。带纹理的表面在改善摩擦学性能方面发挥了积极作用。具有线阵列纹理的表面在与GCr15钢球滑动时表现出最佳的减摩和抗磨效率，与抛光表面相比，摩擦系数和滑球磨损率分别降低了79%和98%。此外，还讨论了超声轧制织构可能的摩擦学机制。具有毫米/微/纳米纹理的多级结构结合超声波滚压技术产生的强化层，增加了表面的机械和摩擦学性能。强化层与织构结构的协同组合有助于延长材料的摩擦磨损寿命。与抛光的相比，摩擦系数和滑动球磨损率分别降低了 79% 和 98%。此外，还讨论了超声轧制织构可能的摩擦学机制。具有毫米/微/纳米纹理的多级结构结合超声波滚压技术产生的强化层，增加了表面的机械和摩擦学性能。强化层与织构结构的协同组合有助于延长材料的摩擦磨损寿命。与抛光的相比，摩擦系数和滑动球磨损率分别降低了 79% 和 98%。此外，还讨论了超声轧制织构可能的摩擦学机制。具有毫米/微/纳米纹理的多级结构结合超声波滚压技术产生的强化层，增加了表面的机械和摩擦学性能。强化层与织构结构的协同组合有助于延长材料的摩擦磨损寿命。增加了表面的机械和摩擦学性能。强化层与织构结构的协同组合有助于延长材料的摩擦磨损寿命。增加了表面的机械和摩擦学性能。强化层与织构结构的协同组合有助于延长材料的摩擦磨损寿命。