Beating hydrogen with its own weapon: Nano-twin gradients enhance embrittlement resistance of a high-entropy alloy

H Luo, W Lu, X Fang, D Ponge, Z Li, D Raabe - Materials Today, 2018 - Elsevier
High-entropy alloys have shown exceptional damage tolerance at cryogenic temperatures.
Here we report that this essential property can be maintained even when exposing the …

[HTML][HTML] Hydrogen enhances strength and ductility of an equiatomic high-entropy alloy

H Luo, Z Li, D Raabe - Scientific reports, 2017 - nature.com
Metals are key materials for modern manufacturing and infrastructures as well as transpot
and energy solutions owing to their strength and formability. These properties can severely …

[HTML][HTML] Nanoscale origins of the damage tolerance of the high-entropy alloy CrMnFeCoNi

ZJ Zhang, MM Mao, J Wang, B Gludovatz… - Nature …, 2015 - nature.com
Damage tolerance can be an elusive characteristic of structural materials requiring both high
strength and ductility, properties that are often mutually exclusive. High-entropy alloys are of …

[HTML][HTML] Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures

B Gludovatz, A Hohenwarter, KVS Thurston… - Nature …, 2016 - nature.com
High-entropy alloys are an intriguing new class of metallic materials that derive their
properties from being multi-element systems that can crystallize as a single phase, despite …

Hydrogen resistance of a 1 GPa strong equiatomic CoCrNi medium entropy alloy

CK Soundararajan, H Luo, D Raabe, Z Li - Corrosion Science, 2020 - Elsevier
In this work, we study the influence of hydrogen on the deformation behavior and
microstructure evolution in an equiatomic CoCrNi medium entropy alloy (MEA) with an …

[HTML][HTML] A strong and ductile medium-entropy alloy resists hydrogen embrittlement and corrosion

H Luo, SS Sohn, W Lu, L Li, X Li… - Nature …, 2020 - nature.com
Strong and ductile materials that have high resistance to corrosion and hydrogen
embrittlement are rare and yet essential for realizing safety-critical energy infrastructures …

Gradient-structured high-entropy alloy with improved combination of strength and hydrogen embrittlement resistance

A Mohammadi, M Novelli, M Arita, JW Bae, HS Kim… - Corrosion …, 2022 - Elsevier
High-strength materials usually exhibit poor hydrogen embrittlement resistance, and thus,
there are demands for materials with high strength and good ductility under hydrogen. Here …

Dislocation-induced breakthrough of strength and ductility trade-off in a non-equiatomic high-entropy alloy

W Guo, J Su, W Lu, CH Liebscher, C Kirchlechner… - Acta Materialia, 2020 - Elsevier
In conventional metallic materials, strength and ductility are mutually exclusive, referred to
as strength-ductility trade-off. Here, we demonstrate an approach to improve the strength …

Fracture resistance of high entropy alloys: A review

W Li, PK Liaw, Y Gao - Intermetallics, 2018 - Elsevier
Fascinated by the exceptional mechanical properties of high entropy alloys (HEAs),
unremitting endeavors are placed on accelerating their engineering applications in multiple …

Resistance of CoCrFeMnNi high-entropy alloy to gaseous hydrogen embrittlement

Y Zhao, DH Lee, MY Seok, JA Lee, MP Phaniraj… - Scripta Materialia, 2017 - Elsevier
The influence of hydrogen on the mechanical behavior of the CoCrFeMnNi high-entropy
alloy (HEA) was examined through tensile and nanoindentation experiments on specimens …