Ageing evolution process of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si0025.svg"><mml:msup><mml:mrow><mml:mi mathvariant="bold-italic">θ</mml:mi></mml:mrow><mml:mrow><mml:mo>′</mml:mo></mml:mrow></mml:msup></mml:math>-phase in Al-Si-Cu-Mg alloys: Atomic-scale observations and first-principles calculations

Yifei Feng, Xia Chen, Yiqiang Hao, Bin Chen, Bin Chen