Laser ‘speed limit’ leaves defects in 3D-printed parts

Laser ‘speed limit’ leaves defects in 3D-printed parts

Artwork showing the boundary and origin of keyhole porosity. Credit: Ye Feng and Cang Zhao, Tsinghua University 3D printing techniques are transforming many areas of manufacturing. One such technique, laser powder bed fusion (LPBF), is particularly attractive because...