Multicomponent high-entropy Cantor alloys

B Cantor - Progress in Materials Science, 2021 - Elsevier
Multicomponent high-entropy Cantor alloys are single-phase and near-single-phase face-
centred cubic alloys, occupying an enormous region of multicomponent phase space. They …

Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

[HTML][HTML] Reactive wear protection through strong and deformable oxide nanocomposite surfaces

C Liu, Z Li, W Lu, Y Bao, W Xia, X Wu, H Zhao… - Nature …, 2021 - nature.com
Wear-related energy and material loss cost over 2500 Billion Euro per year. Traditional
wisdom suggests that high-strength materials reveal low wear rates, yet, their plastic …

Reducing hot tearing by grain boundary segregation engineering in additive manufacturing: example of an AlxCoCrFeNi high-entropy alloy

Z Sun, X Tan, C Wang, M Descoins, D Mangelinck… - Acta Materialia, 2021 - Elsevier
One major hindrance that alloy design for additive manufacturing (AM) faces nowadays is
hot tearing. Contrary to the previous works which either try to reduce solidification range or …

Hot cracking mechanism affecting a non-weldable Ni-based superalloy produced by selective electron Beam Melting

E Chauvet, P Kontis, EA Jägle, B Gault, D Raabe… - Acta Materialia, 2018 - Elsevier
A non weldable nickel-based superalloy was fabricated by powder bed-based selective
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …

Using severe plastic deformation to produce nanostructured materials with superior properties

RZ Valiev, B Straumal… - Annual Review of Materials …, 2022 - annualreviews.org
The past decade was marked by significant advances in the development of severe plastic
deformation (SPD) techniques to achieve new and superior properties in various materials …

[HTML][HTML] Current challenges and opportunities in microstructure-related properties of advanced high-strength steels

D Raabe, B Sun, A Kwiatkowski Da Silva… - … Materials Transactions A, 2020 - Springer
This is a viewpoint paper on recent progress in the understanding of the microstructure–
property relations of advanced high-strength steels (AHSS). These alloys constitute a class …

Segregation engineering of grain boundaries of a metastable Fe-Mn-Co-Cr-Si high entropy alloy with laser-powder bed fusion additive manufacturing

S Thapliyal, P Agrawal, P Agrawal, SS Nene… - Acta Materialia, 2021 - Elsevier
Laser-powder bed fusion (L-PBF) additive manufacturing offers unprecedented
microstructural fine-tuning capabilities. Naturally, benefitting from such capability requires …

Design of a twinning-induced plasticity high entropy alloy

Y Deng, CC Tasan, KG Pradeep, H Springer, A Kostka… - Acta Materialia, 2015 - Elsevier
We introduce a liquid metallurgy synthesized, non-equiatomic Fe 40 Mn 40 Co 10 Cr 10
high entropy alloy that is designed to undergo mechanically-induced twinning upon …

Short-range order strengthening in boron-doped high-entropy alloys for cryogenic applications

JB Seol, JW Bae, JG Kim, H Sung, Z Li, HH Lee… - Acta Materialia, 2020 - Elsevier
Boron doping with an adequate concentration is highly desirable for alloy development
because it profoundly improves the material's interface cohesion via interfacial segregation …