Superposed hardening from precipitates and dislocations enhances strength-ductility balance in Al-Cu alloy

J Yang, C Liu, P Ma, L Chen, L Zhan, N Yan - International Journal of …, 2022‏ - Elsevier
The age hardening response and tensile properties in an Al-Cu alloy pre-deformed by 20-
80% and post-aged at 120-165° C have been examined to study the effect of mixed …

Structures and formation mechanisms of dislocation-induced precipitates in relation to the age-hardening responses of Al-Mg-Si alloys

YX Lai, W Fan, MJ Yin, CL Wu, JH Chen - Journal of Materials Science & …, 2020‏ - Elsevier
In the slightly deformed Al-Mg-Si alloys, dislocation-induced precipitates are frequently
observed, and they usually line up, forming sophisticated precipitation microstructures …

The effect of pre-ageing/stretching on the ageing-hardening behavior of Al–Zn–Mg–Cu alloys correlated with Zn/Mg ratio

Y Zou, X Wu, S Tang, Y Wang, K Zhao, L Cao - Materials Science and …, 2022‏ - Elsevier
Pre-ageing and pre-stretching before artificial ageing can significantly affect the precipitation
during the subsequent artificial ageing in Al–Zn–Mg–Cu alloys, and their effects are closely …

Large creep formability and strength–ductility synergy enabled by engineering dislocations in aluminum alloys

C Liu, J Yang, P Ma, Z Ma, L Zhan, K Chen… - International Journal of …, 2020‏ - Elsevier
Light-weight aluminum alloys are key structural materials widely used in transportation and
constructions. Higher strength aluminum alloys are still urgently needed to further improve …

Hardness reversal in severely deformed automotive Al-Mg-Si alloys

XJ Hu, TY Li, YX Lai, XM **ang, JH Chen - Journal of Alloys and …, 2024‏ - Elsevier
Abstract For automotive Al-Mg-Si alloys, when artificially aged with or without small pre-
deformation, the peak hardness of Si-rich alloys is always higher than that of Mg-rich alloys …

Solute clustering and precipitation of Al-5.1 Mg-0.15 Cu-xZn alloy

S Hou, D Zhang, Q Ding, J Zhang, L Zhuang - Materials Science and …, 2019‏ - Elsevier
The AlMgZn phase (T-phase)-an interesting strengthening phase in precipitation-hardened
aluminum alloys has not received sufficient attention and is very different from the commonly …

Mechanical properties enhanced by deformation-modified precipitation of θ′-phase approximants in an Al-Cu alloy

PP Ma, CH Liu, CL Wu, LM Liu, JH Chen - Materials Science and …, 2016‏ - Elsevier
The influence of large pre-deformation on the age hardening behaviors, tensile properties
and precipitate characteristics in an Al-Cu alloy during artificial ageing was investigated …

[كتاب][B] Encyclopedia of Aluminum and its Alloys

GE Totten, M Tiryakioglu, O Kessler - 2018‏ - api.taylorfrancis.com
This encyclopedia, written by authoritative experts under the guidance of an international
panel of key researchers from academia, national laboratories, and industry, is a …

Enhancing creep formability and comprehensive property in Al–Mg–Si alloy by combinatorial pre-ageing and large pre-deformation

K Chen, C Liu, P Ma, J Yang, L Zhan, M Huang… - Materials Science and …, 2021‏ - Elsevier
A thermal-mechanical route proceeding by pre-ageing and heavy cold-rolling has been
developed to significantly improve both the creep formability and comprehensive properties …

Enhancing electrical conductivity and strength in Al alloys by modification of conventional thermo-mechanical process

CH Liu, J Chen, YX Lai, DH Zhu, Y Gu, JH Chen - Materials & Design, 2015‏ - Elsevier
Although aluminum alloys can be made as excellent conductors, their applications to
electrical and electronic industries are often limited because of their relatively low strength. A …