Large-scale usage of high and ultra-high strength steels is strongly linked to the availability
of suitable joining techniques ensuring consistent properties throughout the welded …

In recent years, the demand for advanced high-strength steel (AHSS) has increased to
improve the durability and service life of steel structures. The development of these steels …

The microstructural characteristics and mechanical properties, including micro-hardness,
tensile properties, three-point bending properties and Charpy impact toughness at different …

The currently available high-power laser presents significant opportunities for welding of
thick section components in single-pass. However, weld defects frequently occur and depth …

Diagnosis systems for laser processing are being integrated into industry. However, their
readiness level is still questionable under the prism of the Industry's 4.0 design principles for …

Laser material processing has becoming a rapid developing technology due to the flexibility
of laser tool. Melt pool is the main product from the interaction between laser and material …

With the aim to explore the formation mechanisms of surface underfill, full penetration laser
welding of thick stainless steel was conducted, with the use of a 10 kW fiber laser. A …

Thick-section steel is widely used in large structural applications, taking advantage of its
characteristics, including high strength, good toughness, and low cost. Ultra-high-power …

Advanced welding processes for structural materials are gaining increasing importance for
strategic applications in nuclear, aerospace, automobile, and defence sectors. These …

A defect-free welded joint of 100 mm-thick SUS 304 steel plates is produced by ultra-narrow
gap laser welding with filler wire in the laser conduction mode in 42 layers. The laser beam …