Laser beam welding manufacturing (LBW), being a promising joining technology with
superior capabilities of high-precision, good-flexibility and deep penetration, has attracted …

Laser‐powder bed fusion (L‐PBF) is extensively adopted in the aerospace and automobile
industries for producing metallic components. The L‐PBF process involves rapid melting …

New generation of multi-core fiber laser sources provide in-source dynamic beam shaping.
Such sources can switch between Gaussian and ring beams, providing new irradiance …

Research has confirmed a positive effect of laser beam shaping on controlling weld profiles
and keyhole stabilisation, with significant reductions of porosity in weldments. However, few …

A major factor slowing down the establishment of additive manufacturing processes as
production processes is insufficient reproducibility and productivity. Therefore, this work …

A novel adjustable-ring mode laser (ARM) welding of SUS304L stainless steel sheet was
investigated in this work. The ARM laser consists of two parts: ring laser beam as outer part; …

Spatters are frequently occurred defects in laser welding, which affect the weld aesthetics,
deteriorate the mechanical performances and even lead to the weld joint rejection for …

Laser welding is the industrially accepted method for the joining of Cu hairpin windings in
the production of electric drives. High brilliance laser beams are scanned over the bare ends …

Powder bed fusion experiments were conducted to investigate the microstructure of
Scalmalloy® utilizing standard circular and Adjustable Ring-Mode (ARM) laser beams. The …

Molten pool and keyhole stability are vital concerns in laser welding of 2195 Al single bond
Li alloy, potentially affecting the weld quality and porosity defect. Fiber-diode laser hybrid …