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 …

Role of porosity defects in metal 3D printing: Formation mechanisms, impacts on properties and mitigation strategies

S Wang, J Ning, L Zhu, Z Yang, W Yan, Y Dun, P Xue… - Materials Today, 2022 - Elsevier
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 …

In situ design of advanced titanium alloy with concentration modulations by additive manufacturing

T Zhang, Z Huang, T Yang, H Kong, J Luan, A Wang… - Science, 2021 - science.org
Additive manufacturing is a revolutionary technology that offers a different pathway for
material processing and design. However, innovations in either new materials or new …

Controlling interdependent meso-nanosecond dynamics and defect generation in metal 3D printing

SA Khairallah, AA Martin, JRI Lee, G Guss, NP Calta… - Science, 2020 - science.org
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 …

[HTML][HTML] Effects of defects on mechanical properties in metal additive manufacturing: A review focusing on X-ray tomography insights

A Du Plessis, I Yadroitsava, I Yadroitsev - Materials & Design, 2020 - Elsevier
X-ray tomography has emerged as a uniquely powerful and non-destructive tool to analyze
defects in additive manufacturing. Defects include unintended porosity, rough surfaces and …

[HTML][HTML] Design of titanium alloys by additive manufacturing: A critical review

T Zhang, CT Liu - Advanced Powder Materials, 2022 - Elsevier
Additive manufacturing (AM) is an innovative technology that creates objects with a complex
geometry layer-by-layer, and it has rapidly prospered in manufacturing metallic parts for …

[HTML][HTML] Review of laser powder bed fusion (LPBF) fabricated Ti-6Al-4V: process, post-process treatment, microstructure, and property

S Cao, Y Zou, CVS Lim, X Wu - Light: Advanced Manufacturing, 2021 - light-am.com
Laser powder bed fusion (LPBF) is a timely important additive manufacturing technique that
offers many opportunities for fabricating three-dimensional complex shaped components at …

A critical review on the effects of process-induced porosity on the mechanical properties of alloys fabricated by laser powder bed fusion

WH Kan, LNS Chiu, CVS Lim, Y Zhu, Y Tian… - Journal of Materials …, 2022 - Springer
Laser powder bed fusion (LPBF) is an emerging additive manufacturing technique that is
currently adopted by a number of industries for its ability to directly fabricate complex near …

Invited Review Article: Review of the formation and impact of flaws in powder bed fusion additive manufacturing

Z Snow, AR Nassar, EW Reutzel - Additive Manufacturing, 2020 - Elsevier
It is widely accepted that gas porosity and lack-of-fusion flaws can degrade both static and
dynamic mechanical performance of additively manufactured components, limiting the use …

Microstructural porosity in additive manufacturing: The formation and detection of pores in metal parts fabricated by powder bed fusion

A Sola, A Nouri - Journal of Advanced Manufacturing and …, 2019 - Wiley Online Library
Metal additive manufacturing (AM) is an innovative manufacturing technique that can build
complex and high value metal parts layer by layer using a computerized three‐dimensional …