Number：

103B_評點二_郭永聖_04

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Name：

Titles：

Author：

Yeong-Sant Kuo，Ming-Fang Lu

Paper name：

Influence of Riser on the Porosity Content of A201 Aluminum Alloy Castings in Chromite Sand Molds

Name of activity：

 2015 3^rd World Congress on Industrials-Applications，Products，and Technologies(WCIM 2015) April 21-22，2015，Bangkok，Thailand.

Keywords：Riser，Porosity Content，A201 Aluminum Alloy，Chromite Sand.

Abstract：Systematic change of riser together with variation of thickness and length of A201 aluminum alloy plate castings were studied to investigate the porosity content of A201 aluminum alloy castings. The molds with end chill for plate castings were made of 100% chromite sand by CO₂ process. If soundness throughout the whole plate casting has to be guaranteed，the riser diameter should be proper design to the dimension of the plate. The porosity content of A201 aluminum  alloy plate casting is governed by riser diameter，thickness and length of the plate.