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 …

Effect of powder bed preheating on the crack formation and microstructure in ceramic matrix composites fabricated by laser powder-bed fusion process

HS Maurya, K Kosiba, K Juhani, F Sergejev… - Additive …, 2022 - Elsevier
Ceramic matrix composites like cermets are difficult candidates to be fabricated by additive
manufacturing (AM). Green cermets like the TiC-430 L AISI ferritic stainless steel (430 L …

Process qualification of laser powder bed fusion based on processing-defect structure-fatigue properties in Ti-6Al-4V

SP Narra, AD Rollett, A Ngo, D Scannapieco… - Journal of Materials …, 2023 - Elsevier
The aim of this manuscript is to give a compact overview of the results that illustrate the
applicability of processing-structure-property relationships in the increasingly important …

[HTML][HTML] An investigation of the effect of powder flowability on the powder spreading in additive manufacturing

M Mehrabi, J Gardy, FA Talebi, A Farshchi… - Powder Technology, 2023 - Elsevier
Identification of the most reliable method to characterise powder flow behaviour in
correlation with the conditions of powder spreading in additive manufacturing (AM) is still …

Understanding process-microstructure-property relationships in laser powder bed fusion of non-spherical Ti-6Al-4V powder

M Asherloo, J Hwang, R Leroux, Z Wu, K Fezzaa… - Materials …, 2023 - Elsevier
Powder feedstock is a major cost driver in metal additive manufacturing (AM). Replacing the
spherical powder with the cost-efficient non-spherical one can reduce the feedstock cost up …

Additive manufacturing of a high-performance aluminum alloy from cold mechanically derived non-spherical powder

JH Martin, JE Barnes, KA Rogers, J Hundley… - Communications …, 2023 - nature.com
Metal additive manufacturing provides a path to optimized component design with significant
realized advantages in the medical and aerospace industries. Limitations to expansion to …

Variant selection in laser powder bed fusion of non-spherical Ti-6Al-4V powder

M Asherloo, Z Wu, JEC Sabisch, I Ghamarian… - Journal of Materials …, 2023 - Elsevier
The presence of α/α′ on prior β/β grain boundaries directly impacts the final mechanical
properties of the titanium alloys. The β/β grain boundary variant selection of titanium alloys …

Enhanced mechanical properties by laser powder bed fusion using cost-effective hydride-dehydride titanium powders

W Ding, Q Tao, J Chen, G Chen, X Qu, M Qin - Journal of Materials …, 2023 - Elsevier
The high cost of powder feedstock has emerged as a critical issue in additive manufacturing
of titanium (Ti). In this work, pure Ti parts were successfully produced via laser powder bed …

Improvements in mechanical property and corrosion resistance of Ti-6.5 Al-2Zr-1Mo-1V fabricated by laser powder bed fusion using cost-effective modified hydride …

X Zhang, X Ran, Z Wang, C Han, Z Du, X Zhu… - Materials Science and …, 2024 - Elsevier
Due to higher mechanical properties and shorter fabrication time, Ti-6.5 Al-2Zr-1Mo-1V
(TA15) fabricated by laser powder bed fusion (LPBF) is gaining increasing attention …