Fatigue and dynamic aging behavior of a high strength Al-5024 alloy fabricated by laser powder bed fusion additive manufacturing

P He, RF Webster, V Yakubov, H Kong, Q Yang… - Acta Materialia, 2021 - Elsevier
A high strength Al-5024 alloy containing Sc and Zr with a bi-modal microstructure consisting
of fine equiaxed and coarse columnar grains was successfully fabricated by laser powder …

Remarkable strength-impact toughness conflict in high-strength Al-Mg-Sc-Zr alloy fabricated via laser powder bed fusion additive manufacturing

Z Wang, X Lin, J Wang, N Kang, Y Hu, D Wang… - Additive …, 2022 - Elsevier
Laser powder bed fusion (LPBF) of AlMgScZr alloys have a combination of high strength
and good ductility, which may apply to damage-tolerant structures. However, there have …

Deformation behavior and microstructure evolution induced by nano-sized Al6Mn phase particles in a homogenized Al–6Mg–0.8 Mn alloy during hot compression

Y Wang, Y Fu, B Yang, M Gao, R Guan - Materials Science and …, 2023 - Elsevier
In the present work, hot compression deformation behavior and microstructure evolution in a
homogenized Al–6Mg–0.8 Mn alloy with nano-sized Al 6 Mn phase particles were …

Portevin-Le Chatelier behavior in AlMgScZr alloys: Effects of Al3 (Sc, Zr) dispersoid distribution and grain structure

Y Qiu, X Yang, J Li, S **ang, J Xu… - Materials Science and …, 2024 - Elsevier
Plastic instability caused by the Portevin-Le Chatelier (PLC) effect remains a challenge for Al–
Mg alloy sheets during shape-forming processes, as it causes unsightly stretcher-strain …

A critical review on the Portevin-Le Chatelier effect in aluminum alloys

P Zhang, G Liu, J Sun - Journal of Central South University, 2022 - Springer
The plastic deformation showing instability has been a subject receiving considerable
attention for centuries due to its importance in many industrial processes. For Al alloys, the …

Deformation behavior and dynamic recrystallization during hot compression in homogenized Al–6Mg–0.8 Mn alloys

Y Wang, B Yang, M Gao, R Guan - Materials Science and Engineering: A, 2022 - Elsevier
Abstract In this work, Al 6 Mn phases with various sizes and morphologies were achieved in
homogenized Al–6Mg–0.8 Mn alloys. The homogenized alloys were compressed at 450° C …

[HTML][HTML] Achieving superior dispersion-strengthening effect in an AA5xxx Al-Mg-Mn alloy by mico-alloying

S Pan, Z Wang, C Li, D Wan, X Chen, K Chen, Y Li - Materials & Design, 2023 - Elsevier
Abstract 5xxx Al-Mg based alloys are widely applied as non-heat-treatable alloys. In this
work, we designed a dispersion-strengthening Al-4Mg-1Mn-0.3 Fe-0.2 Si-0.2 Zr-0.2 Cr …

Quantitative assessment of the influence of the Portevin-Le Chatelier effect on the flow stress in precipitation hardening AlMgScZr alloys

H Chen, Y Chen, Y Tang, G Ji, Y Bréchet, S Zhong… - Acta Materialia, 2023 - Elsevier
Abstract Portevin-Le Chatelier (PLC) effect often occurs in many alloy systems and leads to
flow stress variations. When precipitation occurs, the PLC behavior changes and its resultant …

[HTML][HTML] Impact of dispersoids' distribution on portevin-le-chatelier effect and surface quality in Al–Mg-Sc-Zr alloys

F Bakare, L Jiang, T Langan, M Weiss… - Materials Science and …, 2023 - Elsevier
Abstract The 5xxx-series Al–Mg alloys are susceptible to plastic instabilities visible as stress
serrations during uniaxial tensile testing and known as the Portevin Le Chatelier (PLC) …

Evading the strength-corrosion trade-off dilemma of 5xxx aluminum alloys by cyclic plasticity

Y Zhang, L Zhang, L Zong, L Kan, H Li, L Jiang… - Corrosion …, 2024 - Elsevier
Abstract Low-magnesium 5xxx (< 3 wt%) alloys effectively suppress sensitization but have
low strength due to limited solid solution strengthening. This study shows that despite the …