Abstract:This two-part paper is directed at the development of a machining force model that addresses key microstructural features of 319 Aluminum. In Part 1 of this paper, a machining force model is presented that incorporates microstructural effects. Secondary Dendrite Arm Spacing (SDAS) is identified as a significant microstructure feature of 319 aluminum in terms of machinability, and the SDAS is related to the solidification rate. A new material constitutive relationship that incorporates SDAS microstructure effec… Show more
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