Abstract
Expanding Integrated Computational Materials Engineering (ICME) capabilities for High Pressure Die Cast (HPDC) and Super Vacuum Die Cast (SVDC) magnesium alloys will result in significant reductions in the time and cost required to develop components and optimize the casting and heat treatment processes. In this work, a description of segregation in SVDC Mg–Al binary and Mg–Al–Mn ternary alloys is obtained by combining quantitative Electron Probe MicroAnalysis (EPMA) mapping in conjunction with an EPMA forward simulation model. This approach was used to demonstrate that solute trapping near the casting surface can be described though use of a solidification front velocity dependent partition coefficient within the Scheil solidification model framework.
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