Deconvoluting the influences of heat and plastic deformation on internal strains generated by friction stir processing

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Abstract

Internal-strain profiles in friction-stir processed aluminum-alloy plates were investigated using neutron diffraction. Three different specimens were prepared with a purpose of separating the effects of frictional heating and severe plastic deformation on the internal-strain distribution: (Case 1) a plate processed with both stirring pin and tool shoulder, (Case 2) a plate processed only with the tool shoulder, and (Case 3) a plate processed only with the pin. The comparison between Cases 1 and 2 shows distinctly different strain profiles revealing deconvoluted effects of the different sources (i.e., heat, deformation, or the combination) on the internal strains generated during the friction-stir processing. © 2005 American Institute of Physics.

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CITATION STYLE

APA

Woo, W., Choo, H., Brown, D. W., Bourke, M. A. M., Feng, Z., David, S. A., … Liaw, P. K. (2005). Deconvoluting the influences of heat and plastic deformation on internal strains generated by friction stir processing. Applied Physics Letters, 86(23), 1–3. https://doi.org/10.1063/1.1944207

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