Number：

2098002

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Name：

Y.S Kuo

Titles：

Associate professor

Author：

Y.S Kuo

Paper name：

Influence of Porosity Content and Dendrite Cell Size on the Mechanical Properties of High Strength Aluminum Alloy Castings

Name of activity：

AFS Trans.(EI)

Keywords：

Abstract：

A201 aluminum alloy plate castings with systemstic change in the riser size，together with variation of thickness and length，were cast in different kinds of molds to find out the influence of the porosity content and dendrite cell size (DCS)on the mechanical properties of the A201 aluminum alloy plate castings is discussed in this study.The sand molds with end chill for the plate castings were made of 100% silica sand (type A mold)，50%silica sand 50% chromite sand (type B mold) and 100% chromite sand(type C mold).Both of tensile strength and elongation are reduced with larger dendrite cell size and more porosity content.The mechanical properties of A201aluminum alloy was affected by the porosity content and dendrite cell size in this study.The results also show that the porosity content is the main factor to affect mechanical properties of A201 aluminum alloy castings.

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