With systematic change the riser size and the casting geometry to find out the influence of the riser on the mechanical properties and porosity content of the A201 aluminum alloy(0.

• 试验结果表明,A201铝合金平板铸件的力学性能及微孔隙受冒口补充的影响,当微孔隙增加时,会降低铸件的抗拉强度及伸长率。