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 …

Heterostructured stainless steel: Properties, current trends, and future perspectives

L Romero-Resendiz, M El-Tahawy, T Zhang… - Materials Science and …, 2022 - Elsevier
The study of heterostructured materials (HSMs) answered one of the most pressing
questions in the metallurgical field:“is it possible to greatly increase both the strength and the …

[HTML][HTML] Post-processing of additively manufactured metallic alloys–A review

A Malakizadi, D Mallipeddi, S Dadbakhsh… - International Journal of …, 2022 - Elsevier
Additive manufacturing (AM) is characterised by several unique advantages, such as
(freedom of) design, capability of fusing dissimilar materials, near-net-shape, and achieving …

The B2 phase-driven microstructural heterogeneities and twinning enable ultrahigh cryogenic strength and large ductility in NiCoCr-based medium-entropy alloy

DD Zhang, JY Zhang, J Kuang, G Liu, J Sun - Acta Materialia, 2022 - Elsevier
In this work, we designed heterogeneous (NiCoCr) 88 Al 10 Ta 2 (at.%) duplex medium-
entropy alloy (MEA) comprising the face-centered-cubic (FCC) matrix and the B2 phase …

Directed energy deposition of metals: processing, microstructures, and mechanical properties

SH Li, P Kumar, S Chandra… - International Materials …, 2023 - journals.sagepub.com
Amongst the many additive manufacturing (AM) techniques, directed energy deposition
(DED) is a prominent one, which can also be used for the repair of damaged components. In …

Comparison of the microstructure, mechanical properties and distortion of stainless steel 316 L fabricated by micro and conventional laser powder bed fusion

J Fu, S Qu, J Ding, X Song, MW Fu - Additive Manufacturing, 2021 - Elsevier
Micro laser powder bed fusion (μLPBF) technology offers great benefits to industries as it
enables fabrication of complicated metallic components with greater accuracy and minimum …

Effect of annealing treatment on microstructure evolution and deformation behavior of 304 L stainless steel made by laser powder bed fusion

H Zhang, C Li, G Yao, Y Shi, Y Zhang - International Journal of Plasticity, 2022 - Elsevier
This paper focuses on the microstructural evolution of 304 L austenitic stainless steel (SS)
manufactured by laser powder bed fusion (LPBF) after stress-relieving annealing (650° C) …

Non-equivalence contribution of geometrically necessary dislocation and statistically stored dislocation in work-hardened metals

N Wang, Y Chen, G Wu, Q Zhao, Z Zhang, L Zhu… - Materials Science and …, 2022 - Elsevier
This work reveals the non-equivalence contribution of geometrically necessary dislocation
(GND) and statistically stored dislocation (SSD) to work hardening of the dual-phase steel …

[HTML][HTML] Investigation of the strengthening mechanism in 316L stainless steel produced with laser powder bed fusion

D Riabov, A Leicht, J Ahlström, E Hryha - Materials Science and …, 2021 - Elsevier
Of the many benefits of the additive manufacturing process, laser powder bed fusion (L-PBF)
has specifically been shown to produce hierarchical microstructures that circumvent the …

[HTML][HTML] Dependence of microstructures on fatigue performance of polycrystals: A comparative study of conventional and additively manufactured 316L stainless steel

L Cui, F Jiang, RL Peng, RT Mousavian, Z Yang… - International Journal of …, 2022 - Elsevier
The fatigue properties and microstructural evolution of 316 L stainless steel (316LSS)
manufactured by laser powder bed fusion (L-PBF) were systematically studied and …