Laser bending angle and surface quality with preload at low heating temperature

Effects of Laser Forming on the Mechanical Properties and Microstructure of DP980 Steel

“…Laser forming is a novel technology of bending metal plates by nonuniform thermal stress coming from laser-heating cycles, with the advantages of no rigid tools or external forces. The springback of the laser-formed components is also negligible [ 16 , 17 , 18 , 19 ]. However, during the laser-forming process, changes in the mechanical properties and microstructure of the material occur with the huge temperature variation, which must be taken into account in the manufacturing of key components.…”

An analysis for magnesium alloy curvature products formed by staggered extrusion (SE) based on the upper bound method

“…Bending products are widely used in vehicle tool manufacturing, building structure design, fuel pipeline transportation and many other aspects owing to curvature profile features, convenience in use and rich functions. Generally, the traditional manufacturing mode of bending products is to first extrude the billet or profile, and then use the bending process such as stretch bending, wind bending, compressing and bending and numerical control bending [1][2][3]. However, the two-step method is not only a long process, but also difficult to control the shape and size accuracy.…”

Numerical and experimental analysis of the effect of forced cooling on laser tube forming

“…In general, both methods have their complexities and limitations in the implementation and achievement of the desired results which lie in the nature of laser forming. Research in laser forming shows that optimal deformation is dependent on several factors, including laser parameters, workpiece geometry, material properties, path strategy, and scanning method [8]. Keshtiara et al [9] studied the multi-objective optimization of several process parameters using design of experiments techniques and genetic algorithm.…”