[HTML][HTML] The Portevin-Le Chatelier effect in nickel-base superalloys: Origins, consequences and comparison to strain ageing in other alloy systems

BS Rowlands, C Rae, E Galindo-Nava - Progress in Materials Science, 2023 - Elsevier
Abstract Dynamic Strain Ageing (DSA) has reached widespread acceptance since its
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …

[HTML][HTML] Recent research progress in hydrogen embrittlement of additively manufactured metals–A review

J Yao, Q Tan, J Venezuela, A Atrens… - Current Opinion in Solid …, 2023 - Elsevier
Hydrogen is considered as a primary energy carrier for the hydrogen economy. However,
hydrogen embrittlement (HE) is an inescapable problem that needs to be solved because …

[HTML][HTML] A novel heterogeneous multi-wire indirect arc directed energy deposition for in-situ synthesis Al-Zn-Mg-Cu alloy: process, microstructure and mechanical …

L Wang, T Wu, D Wang, Z Liang, X Yang, Z Peng… - Additive …, 2023 - Elsevier
Aiming to decouple the inherent relationship between mass transfer and heat transfer in
traditional arc-based directed energy deposition, a novel heterogeneous multi-wire indirect …

Microstructure and tensile property of a novel AlZnMgScZr alloy additively manufactured by gas atomization and laser powder bed fusion

L Zhou, H Pan, H Hyer, S Park, Y Bai, B McWilliams… - Scripta Materialia, 2019 - Elsevier
Dense and crack-free Al-6Zn-2Mg (wt%) alloys with 1 wt%(Sc+ Zr) addition were additively
manufactured by laser powder bed fusion (LPBF) using gas atomized powders. As-built …

Dynamic strain aging mechanisms in a metastable austenitic stainless steel

J Mola, G Luan, Q Huang, C Ullrich, O Volkova, Y Estrin - Acta Materialia, 2021 - Elsevier
Discontinuous plastic flow due to dynamic strain aging (DSA) in a Fe–13Cr–3.4 Mn–0.47 C
metastable stainless steel was studied by uniaxial tensile tests in the temperature range …

Review of aluminum alloy development for wire arc additive manufacturing

G Langelandsvik, OM Akselsen, T Furu, HJ Roven - Materials, 2021 - mdpi.com
Processing of aluminum alloys by wire arc additive manufacturing (WAAM) gained
significant attention from industry and academia in the last decade. With the possibility to …

In situ analysis of the Portevin-Le Chatelier effect from low to high-entropy alloy in equal HfNbTaTiZr system

WC Hsu, TE Shen, YC Liang, JW Yeh, CW Tsai - Acta Materialia, 2023 - Elsevier
The HfNbTaTiZr system is designed from low-entropy to high-entropy by unary, binary,
ternary, quaternary, and quinary equal-molar element alloys. At first, the effect of mixing …

The influence of shearable and nonshearable precipitates on the Portevin-Le Chatelier behavior in precipitation hardening AlMgScZr alloys

H Chen, Z Chen, G Ji, S Zhong, H Wang… - International Journal of …, 2021 - Elsevier
The well-known mechanisms of interaction between precipitates and dislocations are
shearing (for shearable precipitates) and bypassing mechanisms (for nonshearable …

[HTML][HTML] Directed energy deposition of Al 5xxx alloy using Laser Engineered Net Sha** (LENS®)

D Svetlizky, B Zheng, T Buta, Y Zhou, O Golan… - Materials & Design, 2020 - Elsevier
Here, we present directed energy deposition (DED) of wrought-like Al 5xxx AlMg alloy by
Laser Engineered Net Sha** (LENS®). A transition from an Al 5083 gas atomized powder …

Dynamic strain aging of Al0. 3CoCrFeNi high entropy alloy single crystals

HY Yasuda, K Shigeno, T Nagase - Scripta Materialia, 2015 - Elsevier
Abstract Single crystals of Al 0.3 CoCrFeNi high entropy alloy were prepared by the floating
zone method and the deformation behavior was examined. Dynamic strain aging …