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During uniaxial planar compression of annealed aluminium alloys, a novel approach to determine the surface asperity flattening (roughness Ra) is employed by analyzing the evolution of the surface's micro-texture. With an increase in compression strain, the surface asperity tends to be flattened, and strain hardening increases. Lubrication can constrain the surface asperity flattening process and hinder...
In a quasi-static cold uniaxial planar compression, surface asperity evolution and microstructure analysis of Al 6061T5 alloy are carried out by employing Atomic Force Microscope (AFM) and Electron Backscattered Diffraction (EBSD) methods. Strain rate affects the surface asperity evolution obviously. While lubrication can hinder the surface asperity flattening by constraining the surface localized...
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