Investigation on the Strengthening Mechanism of Flow Control Extrusion by Using Experiment and Numerical Simulation

• Published in: Materials Vol. 14; no. 17; p. 5001
• Main Authors: Wu, Guangshan, Li, Yangqi, Chen, Fei
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.09.2021; MDPI
• Subjects: Deformation; Ductility; Experiments; Extrusion; Extrusion dies; Flow control; Grain boundaries; Grain orientation; Grain refinement; Grain size; Grain structure; Heterostructures; Mechanical properties; Microstructure; Shear strain; Strain hardening; Ultrafines; United States > US; China

Bimodal grain structure leads to high strength and strain hardening effect of metallic materials. In this study, an effective approach called flow control extrusion (FCE) is proposed to achieve heterostructures of pure copper. Compared with conventional extrusion (CE), FCE shows much stronger grain...