Abstract
Hot forming is the advanced technology that integrates traditional heat treatment and cold stamping. The ultra high strength component with the tensile strength 1600 MPa can be manufactured by hot forming. The tensile tests of the hot forming material and part are investigated. The yield limitation of the part by hot forming is more than 1000MPa, and the strength limitation is more than 16000MPa. Three-point bending experiments of the reinforced beam by cold stamping and hot forming are carried out. The experimental results show the parts by hot forming have excellent loading capability and impact resistance. The optimization design method for hot forming part is investigated and presented.
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