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 …

Multi-scale defects in powder-based additively manufactured metals and alloys

J Fu, H Li, X Song, MW Fu - Journal of Materials Science & Technology, 2022 - Elsevier
Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …

Defects in additive manufactured metals and their effect on fatigue performance: A state-of-the-art review

N Sanaei, A Fatemi - Progress in Materials Science, 2021 - Elsevier
Additive manufacturing (AM) is emerging as an alternative to conventional subtractive
manufacturing methods with the goal to deliver unique and complex net or near-net shaped …

Fracture and fatigue in additively manufactured metals

TH Becker, P Kumar, U Ramamurty - Acta Materialia, 2021 - Elsevier
Additive manufacturing (AM) of metallic components offers many advantages over
conventional manufacturing methods, most notably design freedom at little material waste …

[HTML][HTML] Review on residual stresses in metal additive manufacturing: formation mechanisms, parameter dependencies, prediction and control approaches

S Chen, H Gao, Q Wu, Z Gao, X Zhou - Journal of materials research and …, 2022 - Elsevier
Metal additive manufacturing (MAM) technology has great application potential in the
aerospace, medical and energy fields with its high material utilization efficiency to achieve …

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 …

A review on additive manufacturing of titanium alloys for aerospace applications: directed energy deposition and beyond Ti-6Al-4V

Z Liu, B He, T Lyu, Y Zou - Jom, 2021 - Springer
Titanium alloys are expensive and difficult to process into large complex components for
aerospace applications. Directed energy deposition (DED), one of the additive …

Additive manufacturing of metallic components–process, structure and properties

T DebRoy, HL Wei, JS Zuback, T Mukherjee… - Progress in materials …, 2018 - Elsevier
Since its inception, significant progress has been made in understanding additive
manufacturing (AM) processes and the structure and properties of the fabricated metallic …

[HTML][HTML] The effect of manufacturing defects on the fatigue life of selective laser melted Ti-6Al-4V structures

YN Hu, SC Wu, PJ Withers, J Zhang, HYX Bao, YN Fu… - Materials & Design, 2020 - Elsevier
The manufacturing defects introduced by selective laser melting typically lead to lower
fatigue strength and a larger variation in fatigue life compared to conventionally …