[HTML][HTML] Laser powder bed fusion: a state-of-the-art review of the technology, materials, properties & defects, and numerical modelling

S Chowdhury, N Yadaiah, C Prakash… - Journal of Materials …, 2022 - Elsevier
Additive Manufacturing (AM) has revolutionized the manufacturing industry in several
directions. Laser powder bed fusion (LPBF), a powder bed fusion AM process, has been …

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 …

Progress and perspectives in laser additive manufacturing of key aeroengine materials

C Tan, F Weng, S Sui, Y Chew, G Bi - International Journal of Machine …, 2021 - Elsevier
Aerospace is a key market driver for the advancement of additive manufacturing (AM) due to
the huge demands in high-mix low-volume production of high-value parts, integrated …

[HTML][HTML] 金属增材制造若干关键力学问题研究进展

廉艳平, 王潘丁, 高杰, 刘继凯, 李取浩, 刘长猛… - 力学进展, 2021 - lxjz.cstam.org.cn
金属增材制造是一种兼顾复杂结构和高性能构件成形需求的颠覆性制造技术, 在航空, 航天,
交通, 核电等领域具有广阔的应用前景和发展空间. 该技术大规模推广应用所面临的制造效率和 …

A machine-learning fatigue life prediction approach of additively manufactured metals

H Bao, S Wu, Z Wu, G Kang, X Peng… - Engineering Fracture …, 2021 - Elsevier
The defects retained during laser powder bed fusion determine the poor fatigue
performance and pronounced lifetime scatter of the fabricated metallic components. In this …

The potency of defects on fatigue of additively manufactured metals

X Peng, S Wu, W Qian, J Bao, Y Hu, Z Zhan… - International Journal of …, 2022 - Elsevier
Given their preponderance and propensity to initiate fatigue cracks, understanding the effect
of processing defects on fatigue life is a significant step towards the wider application of …

The effect of defect population on the anisotropic fatigue resistance of AlSi10Mg alloy fabricated by laser powder bed fusion

Z Wu, S Wu, J Bao, W Qian, S Karabal, W Sun… - International Journal of …, 2021 - Elsevier
Metallurgical defects have a critical influence on the anisotropic fatigue resistance of
additively manufactured parts under cyclic loading. Here X-ray computed tomography (CT) …

[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 …

Mechanical performance of 316 L stainless steel by hybrid directed energy deposition and thermal milling process

Y Yang, Y Gong, C Li, X Wen, J Sun - Journal of Materials Processing …, 2021 - Elsevier
Due to its excellent temperature resistance, 316 L stainless steel (SS) is widely used in
integral impellers; however, as the engine performance requirements have increased, the …

Killer notches: The effect of as-built surface roughness on fatigue failure in AlSi10Mg produced by laser powder bed fusion

A Du Plessis, S Beretta - Additive Manufacturing, 2020 - Elsevier
Additive manufacturing allows the production of complex components for critical applications
such as in the aerospace industry. Laser powder bed fusion is the most widely used form of …