A new forming technique of sheet metal, laser forming, is introduced, which is a dieless forming technology of sheet by deforming the sheet metal through internal thermal stress induced by partial instantaneous irradiation of a laser beam.

The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elasto-plasticity with damage constitutive laws.

The process utilizes the thermal stress induced by laser irradiation to form sheet metal into different shapes.

Changing region temperature distribution of metal plate at laser irradiation medium strength;

Damage analysis of crack tip zone in metal sheets;

Status quo and tendency in metal sheet automatic press technique for equipment

EDXRD(the energy-dispersive X-ray diffraction) for measuring texture in metal sheets is described.

Based on the advanced X-ray area detector technology, a method of online grain size measurement in metal sheets has been proposed in the present study.

The mechanism of evaporative CO_2 laser cutting nonmetallic plates was discussed.