Development of a new punching-extruding forming technology with an outer ring for heavy cylindrical forge;

FEM numerical simulation of tube backword spinning;

Investigation on microstructure and mechanical properties of TB2 titanium alloy after tube-spinning deformation;

Numerical simulation of three-roller neck spinning of tubes;

Springback compensation for large cylinder part;

Development of progressive die for stainless steel thin-shell cylindrical part;

New technology of deep drawing technique for stainless steel cylindrical part;

Experimental investigations on electromagnetically assisted sheet metal stamping for aluminum alloy cylindrical part

Research on power spinning forming process of aluminium alloy cylinders with inner ribs;

The development and present situation analysis of power spinning of cylinders;

Analysis of power spinning process parameters selection mode for cylinders;

By comprehensive analysis for testing and monitoring pressure curve and stress at down hole for P-T packer of straddle testing stem and combining with bore hole condition, the reason of abnormal phenomena is interp.