Controlling interdependent meso-nanosecond dynamics and defect generation in metal 3D printing
State-of-the-art metal 3D printers promise to revolutionize manufacturing, yet they have not
reached optimal operational reliability. The challenge is to control complex laser–powder …
reached optimal operational reliability. The challenge is to control complex laser–powder …
[HTML][HTML] Pore elimination mechanisms during 3D printing of metals
Laser powder bed fusion (LPBF) is a 3D printing technology that can print metal parts with
complex geometries without the design constraints of traditional manufacturing routes …
complex geometries without the design constraints of traditional manufacturing routes …
Revealing melt flow instabilities in laser powder bed fusion additive manufacturing of aluminum alloy via in-situ high-speed X-ray imaging
Laser metal additive manufacturing technologies enable the fabrication of geometrically and
compositionally complex parts unachievable by conventional manufacturing methods …
compositionally complex parts unachievable by conventional manufacturing methods …
[HTML][HTML] In situ X-ray imaging of defect and molten pool dynamics in laser additive manufacturing
The laser–matter interaction and solidification phenomena associated with laser additive
manufacturing (LAM) remain unclear, slowing its process development and optimisation …
manufacturing (LAM) remain unclear, slowing its process development and optimisation …
[HTML][HTML] Ultrafast dynamics of laser-metal interactions in additive manufacturing alloys captured by in situ X-ray imaging
Advanced in situ characterization is essential for determining the underlying dynamics of
laser-material interactions central to both laser welding and the rapidly expanding field of …
laser-material interactions central to both laser welding and the rapidly expanding field of …
[HTML][HTML] Universal scaling laws of keyhole stability and porosity in 3D printing of metals
Abstract Metal three-dimensional (3D) printing includes a vast number of operation and
material parameters with complex dependencies, which significantly complicates process …
material parameters with complex dependencies, which significantly complicates process …
[HTML][HTML] Dynamics of pore formation during laser powder bed fusion additive manufacturing
Laser powder bed fusion additive manufacturing is an emerging 3D printing technique for
the fabrication of advanced metal components. Widespread adoption of it and similar …
the fabrication of advanced metal components. Widespread adoption of it and similar …
[HTML][HTML] Controlling process instability for defect lean metal additive manufacturing
The process instabilities intrinsic to the localized laser-powder bed interaction cause the
formation of various defects in laser powder bed fusion (LPBF) additive manufacturing …
formation of various defects in laser powder bed fusion (LPBF) additive manufacturing …
Laser‐induced keyhole defect dynamics during metal additive manufacturing
Laser powder bed fusion (LPBF) metal additive manufacturing provides distinct advantages
for aerospace and biomedical applications. However, widespread industrial adoption is …
for aerospace and biomedical applications. However, widespread industrial adoption is …
Bulk-explosion-induced metal spattering during laser processing
Spattering has been a problem in metal processing involving high-power lasers, like laser
welding, machining, and recently, additive manufacturing. Limited by the capabilities of in …
welding, machining, and recently, additive manufacturing. Limited by the capabilities of in …