We have developed a set of pressurization solidification experimental apparatus to examine the effects of varied pressures and pressurization rate on mechanical properties of lost foam casting ZL101 aluminum alloy components. The results show that with increasing in applied pressure

the density and mechanical properties of the lost foam casting ZL101 alloy components are improved gradually

and porosity rate in the castings is greatly decreased

meanwhile

the mechanical properties of the castings exhibit slightly increasing tendency. With a fixed pressure

the density and properties of the casting are closely related to the pressurization rates. The lost foam casting ZL101 alloy components exhibit desirable performance at pressurization rate of 0.003 MPa

0

.03 MPa. In addition

corrosion resistance of the alloy components is further improved as a result of the increase of density and decrease of pin-hole defects in the components at pressurization solidification.