Ultra-high tensile strength induced by multiple precipitates in extruded ZK60 alloy via co-alloying Ca and Er

XR Zhang, JR Zuo, DD Zhang, DQ Fang… - Journal of Alloys and …, 2024 - Elsevier
Obtaining ultra-high strength in commercial ZK60 wrought alloys is rather difficult by
conventional processes due to their limited precipitation hardening. In this work, we …

[HTML][HTML] The effect of LPSO phase on the high-temperature oxidation of a stainless Mg-Y-Al alloy

Z Wang, Z Shen, Y Liu, Y Zhao, Q Zhu, Y Chen… - Journal of Magnesium …, 2024 - Elsevier
In this study, we investigated the oxidation of the Mg-11Y-1Al alloy at 500° C in an Ar-20% O
2 environment. Multiscale analysis showed the network-like long-period stacking ordered …

Achieving superior strength-ductility balance by tailoring dislocation density and shearable GP zone of extruded Al-Cu-Li alloy

X Xu, G Wu, X Tong, L Zhang, C Wang, F Qi… - International Journal of …, 2024 - Elsevier
Pre-stretching is commonly employed to accelerate ageing precipitation kinetics in wrought
Al-Cu-Li alloys, but uneven precipitation resulting from dislocation pile-ups often degrades …

Development of magnesium alloys: advanced characterization using synchrotron radiation techniques

E Guo, Z Du, X Chen, Z Chen, H Kang, Z Cao… - Journal of Materials …, 2024 - Elsevier
Magnesium alloys are the lightest metal structural materials owing to their excellent physical
and chemical properties. Microstructural evolution in magnesium alloys under the conditions …

[HTML][HTML] Regulating the bimodal structure and strength-ductility synergy of Zn-decorated Ti particles reinforced AZ91 composite through high-volume fraction …

Y Zhang, S Han, P Gao, P Chen, J Xia, J Li… - Composites Part A …, 2024 - Elsevier
Abstract In this work, Mg-9Al-1Zn (AZ91) alloy reinforced with zinc-decorated titanium (Zn@
Ti) particles was fabricated using the powder metallurgy method. Zn nanoparticles effectively …

CALPHAD-guided design of Mg-Y-Al alloy with improved strength and ductility via regulating the LPSO phase

Y Chen, J Wang, W Zheng, Q Li, M Yu, T Ying, X Zeng - Acta Materialia, 2024 - Elsevier
This work performed a CALPHAD-guided design strategy to develop high strength-ductility
Mg–Y–Al alloy by taking advantage of the strengthening effect of the LPSO phase and the …

Degraded creep resistance induced by static precipitation strengthening in high-pressure die casting Mg–Al–Sm alloy

Q Yang, S Lv, B Deng, N Hort, Y Huang, W Sun… - Journal of Materials …, 2024 - Elsevier
Relationship between precipitation strengthening and creep resistance improvement has
been an important topic for the widespread applications of magnesium alloys. Generally …

[HTML][HTML] Effect of preset twins on aging precipitates and mechanical properties of Mg-5Gd-3Y-0.5 Zr alloy

A Gao, X Chen, Q Li, L Yang - Journal of Materials Research and …, 2024 - Elsevier
Abstract Preset twins in Mg-5Gd-3Y-0.5 Zr (GW53K) alloy, the effects of preset twins on the
aging precipitates and mechanical properties of GW53K alloy were thoroughly investigated …

Cooperative achievement in grain refinement and texture weakening of Mg-Gd-Y-Sm-Zr alloy fabricated by asymmetric extrusion-shear process

Y Pei, M Yuan, E Wei, Z Zhang, M Zhao, H Ma… - Materials Science and …, 2024 - Elsevier
Abstract Mg-Gd-Y-Sm-Zr alloy with fine grains and weak texture was fabricated by extrusion-
shear (ES) process. The microstructure evolution mechanism of the alloy during asymmetric …

Cryogenic treatment induces microstructure evolution and coordinately regulates mechanical properties of CuCrZr alloys through multiple strengthening mechanisms

Y Du, H Hu, X Yuan, M Long, H Duan… - Journal of Alloys and …, 2024 - Elsevier
In this study, the crucial task of enhancing the mechanical properties of CuCrZr alloys to
extend mold lifetime was addressed. The intricate interplay between microstructure and …