The Rehbinder effect (R-effect) on microcutting has been successful to augment machinability of ductile metals; however, there is a lack in understanding of its influence on texture evolution in the machined surfaces. This study validates the R-effect on AA6061-T6 and characterises the influence of the R-effect on the texture transformation in the machined surface. Microhardness tests reveal that the R-effect produces softer surfaces (87–96 HV) as compared with the surfaces produced conventionally (96–108 HV), which is attributed to the differences in grain types. A large fraction of substructured grains (96.4%) exists in the surfactant-affected subsurface while a higher proportion of deformed grains (42.8%) forms during conventional microcutting. In addition, the main texture components of the conventionally produced surface are Cube, Goss and S textures, which differ from the dominant volumes of Copper and R textures under the R-effect. The differences are results of the stress states induced during microcutting, which is exemplified through numerical simulations that consider the reduction in fracture toughness of the material with the R-effect. The advanced understanding of the R-effect better positions the use of surfactants as a cleaner near-dry metalworking fluid.

Rehbinder效应（R效应）对微切削的作用已成功提高了韧性金属的可切削性。然而，缺乏对它对加工表面纹理演变的影响的理解。这项研究验证了Aa6061-T6上的R效应，并表征了R效应对机加工表面纹理转变的影响。显微硬度测试表明，与传统生产的表面（96-108 HV）相比，R效应产生的表面更软（87-96 HV），这归因于晶粒类型的差异。在受表面活性剂影响的亚表面中，大部分亚结构晶粒（96.4％）存在，而在常规微切削过程中形成较高比例的变形晶粒（42.8％）。此外，常规生产的表面的主要纹理成分是立方体，高斯和S纹理，与在R效果下铜和R纹理的主要体积不同。差异是微切削过程中引起的应力状态的结果，这通过考虑到R效应降低材料的断裂韧性的数值模拟得到了例证。对R效应的高级理解可以更好地将表面活性剂用作清洁的近干金属加工液。