Defects and anomalies in powder bed fusion metal additive manufacturing
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
Material-structure-performance integrated laser-metal additive manufacturing
BACKGROUND Metallic components are the cornerstone of modern industries such as
aviation, aerospace, automobile manufacturing, and energy production. The stringent …
aviation, aerospace, automobile manufacturing, and energy production. The stringent …
Role of porosity defects in metal 3D printing: Formation mechanisms, impacts on properties and mitigation strategies
Abstract Metal 3D printing (3DP), a state-of-the-art manufacturing technology that brings the
potential to fabricate complex structures at low cost and reduced energy consumption, has …
potential to fabricate complex structures at low cost and reduced energy consumption, has …
Additive manufacturing of metals: Microstructure evolution and multistage control
As a revolutionary industrial technology, additive manufacturing creates objects by adding
materials layer by layer and hence can fabricate customized components with an …
materials layer by layer and hence can fabricate customized components with an …
Multi-scale defects in powder-based additively manufactured metals and alloys
Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …
Current understanding on the three important issues including formation mechanism …
Critical instability at moving keyhole tip generates porosity in laser melting
Laser powder bed fusion is a dominant metal 3D printing technology. However, porosity
defects remain a challenge for fatigue-sensitive applications. Some porosity is associated …
defects remain a challenge for fatigue-sensitive applications. Some porosity is associated …
Keyhole fluctuation and pore formation mechanisms during laser powder bed fusion additive manufacturing
Keyhole porosity is a key concern in laser powder-bed fusion (LPBF), potentially impacting
component fatigue life. However, some keyhole porosity formation mechanisms, eg, keyhole …
component fatigue life. However, some keyhole porosity formation mechanisms, eg, keyhole …
Control of grain structure, phases, and defects in additive manufacturing of high-performance metallic components
T Mukherjee, JW Elmer, HL Wei, TJ Lienert… - Progress in Materials …, 2023 - Elsevier
The properties and serviceability of 3D-printed metal parts depend on a variety of attributes.
These include the chemical composition, phases, morphology, spatial distributions of grain …
These include the chemical composition, phases, morphology, spatial distributions of grain …
[HTML][HTML] A review of multi-scale and multi-physics simulations of metal additive manufacturing processes with focus on modeling strategies
Numerical simulations have recently shown their potential as a robust, cheap and reliable
tool for predicting the quality of components produced by metal additive manufacturing …
tool for predicting the quality of components produced by metal additive manufacturing …
Machine learning–aided real-time detection of keyhole pore generation in laser powder bed fusion
Porosity defects are currently a major factor that hinders the widespread adoption of laser-
based metal additive manufacturing technologies. One common porosity occurs when an …
based metal additive manufacturing technologies. One common porosity occurs when an …