Modeling the material of the cylindrical work with welded seam at compression distribution of vehicle parts

It is shown that the distribution of ends tubular billets, which are main connecting elements vehicle brake system, accompanied by a loss stability in circumferential and axial directions, as well localization deformations, followed destruction form longitudinal crack occurs at end preform. The presence weld complicates general conditions deformation during crimping leads to workpiece along weld. To prevent cracking, it necessary tighten distributing factors, inevitably an increase number transitions, complexity process cost manufacturing part whole. issue welded structures interest with development new materials for automotive industry, such joining two or more steel sheets different mechanical properties, thickness type coating, important reducing weight, minimizing costs scrap. pipe billet will depend not only on plasticity characteristics base metal metal, obvious, but also ratio squares billet. above modulus hardening joint compared initial workpiece, respectively, decrease value secant both directions – strength metal. Further analysis should be carried out taking into account local anisotropy caused welding seam, make possible determine sustained plastic create additional effect weakened area.