Solidification in metal additive manufacturing: challenges, solutions, and opportunities

S Chandra, J Radhakrishnan, S Huang, S Wei… - Progress in Materials …, 2024 - Elsevier
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …

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 …

A micropillar compression investigation into the plastic flow properties of additively manufactured alloys

SH Li, Y Zhao, J Radhakrishnan, U Ramamurty - Acta Materialia, 2022 - Elsevier
Solidification cells and a high density of dislocations are two common features of additively
manufactured (AM) alloys that are processed using techniques such as laser powder bed …

Formation mechanism of Fe-based amorphous powders produced by spark erosion

C Liu, R Li, J Bi, D Ma, X Liu, T Zhang - Journal of Materials Science & …, 2024 - Elsevier
Spark erosion is a convenient, flexible, and low-cost method to quickly produce fine powders
of metals, alloys, and semiconductors in size ranging from nearly a hundred micrometers to …

Effect of heat treatment on the microstructure and magnetic properties of laser powder bed fusion processed equiatomic Co-Fe

KA Liogas, KB Lau, Z Wang, DN Brown, E Polatidis… - Additive …, 2023 - Elsevier
Abstract Equiatomic Cobalt-Iron (Co-Fe 50% at.) has great potential as a soft magnetic alloy,
but its wider use has been limited by its poor workability and strength. Recent advancements …

[HTML][HTML] Texture components and magnetic properties of laser powder bed fusion fabricated near grain-oriented and near non-oriented silicon steel

F Meng, S Huang, KB Lau, Y Zhou, Y Deng, P Wang… - Materials & Design, 2023 - Elsevier
Silicon steel is a widely used soft magnetic material that requires different texture
components for different applications, typically classified as grain-oriented or non-oriented …

Compositionally graded AlxCoCrFeNi high-entropy alloy manufactured by laser powder bed fusion

F Wei, S Wei, KB Lau, WH Teh, JJ Lee, HL Seng… - Materialia, 2022 - Elsevier
A high entropy alloy Al x CrCoFeNi (x= 0.07–0.88) coupon with a stepwise compositional
gradation was fabricated by laser powder bed fusion (L-PBF) via in situ alloying of the …

Progress of high-entropy alloys prepared using selective laser melting

X Song, Y Zhang - Science China Materials, 2023 - Springer
The multi-component characteristics of high-entropy alloys (HEAs) endow them with
excellent performance that many traditional alloys cannot match. However, there are still …

Mitigating cracking in laser powder bed fusion of Ti-48Al-2Cr-2Nb via introducing massive β phase

K Li, X Wang, N Brodusch, G Tu - Materials Characterization, 2023 - Elsevier
Abstract The application of Ti-48Al-2Cr-2Nb (TiAl-4822) produced by laser powder bed
fusion (LPBF) is hindered by its severe cold cracking susceptibility caused by the intrinsic …

In situ phase engineering during additive manufacturing enables high-performance soft-magnetic medium-entropy alloys

Z Cao, P Zhang, B An, D Li, Y Yu, J Pan… - Nature …, 2024 - nature.com
Additive manufacturing (AM) shows promise as a method for producing soft-magnetic
multicomponent alloys for use in electric motors and sustainable electromobility …