Laser path, scan speed, and laser power are critical machine parameters for determining the
quality of the output of laser-based powder bed fusion (LPBF) processes. A jerk-limited …

In laser powder bed fusion additive manufacturing (AM) process, laser scan path, velocity,
and power are some of the most important parameters affecting the build quality. Control …

Control of laser power to improve part quality is critical for fabrication of complex
components via Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) processes. If …

Studies have shown that melt-pool characteristics such as melt-pool size and shape are
highly correlated with the formation of porosity and defects in parts built with the laser …

Typical scan strategies for laser powder bed fusion (LPBF) additive manufacturing systems
apply a constant laser power and scan speed. Localized preheating from adjacent scan …

In this study a feedforward control method for laser powder bed fusion additive
manufacturing is demonstrated. It minimizes the meltpool variation by updating the laser …

In laser powder bed fusion (LPBF), part quality and process conditions are highly dependent
on the interlayer temperature (ILT) of the exposure surface of printed parts. State-of-the-art …

In laser powder bed fusion (LPBF), it is common practice to select process parameters to
achieve high density parts starting from simple geometries such as cubes or cylinders …

Additive manufacturing (AM) enables the fabrication of complex designs that are difficult to
create by other means. Metal parts manufactured by laser powder bed fusion (LPBF) can …

The poor surface quality during the laser powder bed fusion (L-PBF) process adversely
impacts the mechanical properties of the final product and even can result in failure of the …