Aluminium alloys are widely used in many industries due to their high strength-to-weight
ratios and resistance to corrosion. Due to their specific thermophysical properties and …

Owing to the excellent weldability, high strength and toughness, etc., high-strength low-alloy
(HSLA) steels are widely used in pipelines, ships and railways. In the past years, increasing …

Acicular ferrite (AF) is the most important microstructural constituent to achieve high
toughness at low temperatures in weld metal of steels. This is due to the relatively small …

Laser-arc hybrid welding (LAHW), being a high-efficiency with excellent properties of high
welding speed, deep penetration, and good bridging performance, has been paid close …

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 …

Welding porosity is an important factor affecting the mechanical properties of welded joints.
This study investigated the effect of welding stability on weld porosity to solve the problem of …

One of the main concerns in the early stages of manufacturing flat units of shipbuilding is to
ensure the quality of the joints throughout the structure. The flat units are constituted by butt …

The ultra-high power laser-MIG hybrid welding technique provides an effective method for
thick-walled components joining, but the fatigue properties of joints are rarely reported. This …

Unveiling the mechanism behind arc deflection under narrow gap laser arc hybrid welding
(NGLAHW) is of paramount significance in mitigating laser-arc coupling failure and welding …

The inhomogeneous microstructure and fatigue crack propagation of 30 mm thick-section
high strength steel welded joint by double-sided hybrid fiber laser-arc welding were …