Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022‏ - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

[HTML][HTML] Additive manufactured high entropy alloys: A review of the microstructure and properties

W Zhang, A Chabok, BJ Kooi, Y Pei - Materials & Design, 2022‏ - Elsevier
High entropy alloys (HEAs) are promising multi-component alloys with unique combination
of novel microstructures and excellent properties. However, there are still certain limitations …

An overview of residual stresses in metal powder bed fusion

JL Bartlett, X Li - Additive Manufacturing, 2019‏ - Elsevier
Metal additive manufacturing (AM) has garnered tremendous research and industrial
interest in recent years; in the field, powder bed fusion (PBF) processing is the most common …

[HTML][HTML] In-process and post-process strategies for part quality assessment in metal powder bed fusion: A review

C Chua, Y Liu, RJ Williams, CK Chua… - Journal of Manufacturing …, 2024‏ - Elsevier
An increasing number of metal components processed by additive manufacturing (AM) are
now being used in industrial applications. However, in the most demanding applications …

Process optimization of complex geometries using feed forward control for laser powder bed fusion additive manufacturing

CL Druzgalski, A Ashby, G Guss, WE King… - Additive …, 2020‏ - Elsevier
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 …

Evaluation of a thermomechanical model for prediction of residual stress during laser powder bed fusion of Ti-6Al-4V

RK Ganeriwala, M Strantza, WE King, B Clausen… - Additive …, 2019‏ - Elsevier
The build-up of residual stresses in a part during laser powder bed fusion provides a
significant limitation to the adoption of this process. These residuals stresses may cause a …

Pitting corrosion in 316L stainless steel fabricated by laser powder bed fusion additive manufacturing: a review and perspective

T Voisin, R Shi, Y Zhu, Z Qi, M Wu, S Sen-Britain… - Jom, 2022‏ - Springer
Abstract 316L stainless steel (316L SS) is a flagship material for structural applications in
corrosive environments, having been extensively studied for decades for its favorable …

Part geometry and conduction-based laser power control for powder bed fusion additive manufacturing

H Yeung, B Lane, J Fox - Additive manufacturing, 2019‏ - Elsevier
Laser powder bed fusion (LPBF) uses a focused, high power laser to repeatedly scan
geometric patterns on thin layers of metal powder, which build up to a final, solid three …

[HTML][HTML] A review of residual stress and deformation modeling for metal additive manufacturing processes

A Rashid, A Gopaluni - Chinese Journal of Mechanical Engineering …, 2023‏ - Elsevier
A metal additive manufacturing process results in a nearly net-shaped fabrication of parts
directly from digital data. A local heat source melts the deposited material, and a part is built …

Effect of the scanning strategy on the formation of residual stresses in additively manufactured Ti-6Al-4V

M Strantza, RK Ganeriwala, B Clausen, TQ Phan… - Additive …, 2021‏ - Elsevier
During the laser-powder bed fusion (L-PBF) process, high laser intensities, short interaction
times and highly localized heat input drive large thermal gradients that result in a state of …