Hybrid laser/arc welding of advanced high strength steel

What is it about?

An experimental procedure was developed to join thick advanced high strength steel plates by using the hybrid laser/arc welding (HLAW) process, for different butt joint configurations.

Featured Image

Why is it important?

The geometry of the weld groove was optimized according to the requirements of the ballistic test, where the length of the softened heat-affected zone should be less than 15.9 mm from the weld centerline. The cross-section of the welds was examined by the microhardness test. The microstructure of welds was investigated by scanning electron microscopy and an optical microscope for further analysis of the microstructure of fusion zone and heat-affected zone.