Publisher： Trans Tech Publications
E-ISSN： 1662-7482|2016|835|179-184
ISSN： 1660-9336
Source： Applied Mechanics and Materials, Vol.2016, Iss.835, 2016-06, pp. : 179-184
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Abstract
Si modification behavior by twin probability approach with X-ray diffractometry (XRD) technique and microstructural evolution of the A356 alloys with Al2Ca and Mg exceeded up to 1.5 mass% during the solution heat treatment were investigated. Al2Ca added alloys showed the modified Si particles in the microstructure and higher twin density than those of Al2Ca-free alloy. During the solution heat treatment, the Si particles of Al2Ca-free alloy became coarser with the time at 540 °C, while there was no coarsening in the Al2Ca added alloys throughout all the conditions.
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