Enhanced intragranular precipitation strengthening in Sc-microalloyed ultrafine-grained SiCp/Al-Cu-Mg composites via retrogression and re-ageing heat treatment

Ultrafine-grained Al matrix composites suffer from the insufficient dislocation accumulation capability and intragranular precipitation strengthening due to their length-scale dependent precipitation behaviors. In this work, a combination of Sc-microalloying and a retrogression and re-ageing (RRA) r...

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Bibliographic Details

Published in:	Materials & Design
Main Authors:	Yunpeng Cai, Kan Liu, Yiwei Dong, Andong Hua, Yishi Su, Qiubao Ouyang, Di Zhang
Format:	Article
Language:	English
Published:	Elsevier 2025-04-01
Subjects:	Metal-matrix composites (MMCs) Mechanical properties Microstructures Scandium microalloying
Online Access:	http://www.sciencedirect.com/science/article/pii/S0264127525002096