LY12 duralumin was heat treated on a trial basis and the variation of microstructure and mechanical pro-perties with heat treatment process was obtained.

Experimental study of light reflectivity of the shocked LY12 aluminum unloading to different gases;

LY12 aluminum spherical projectiles are loaded by two stage light gas gun,using sweep Langmuir probe diagnostic system designed to measure plasma.

The experimental method to measure the high-pressure sound velocity of shock-compressed LY12 aluminum alloy by VISAR technique is described.

Microstructures and properties of friction stir spot welding joints for LY12 aluminum alloy;

Temperature dependence of dynamic yield strength and spall strength for LY12 aluminum alloy under shock loading;

Mechanism of brazing flux reacting with oxide film of LY12 aluminum alloy;

Cavity behavior of LY12 alloy during superplastic deformation;

Effect of deposition of ammonium chloride and ammonium sulfate on atmospheric corrosion of LY12 alloy;

Study of Rare Earth Sealing Anodizd LY12 alloy;

Nano-machining experiment of LY12 aluminium alloy polishing with ice desk;

plastic strain (εp) curves of LY12 aluminium alloy treated by aging or thermal-cold cycling techniques.

In order to have an insight into the microscale deformation characteristics and failure mechanism of LY12 aluminium alloy processed by laser shot peening(LSP) and laser irradiation(LI),in-situ tensile behavior of the alloy sample was studied by loading machine and observed under scanning electron microscope(SEM)using different power densities laser shot peening and laser irradiation.