Effect of Combined Repetitive Corrugation and Straightening and Rolling on the Microstructure and Mechanical Properties of Pure Aluminum

Effect of Combined Repetitive Corrugation and Straightening and Rolling on the Microstructure and... In this work, combined repetitive corrugation and straightening (RCS) and rolling were employed to enhance the mechanical properties of aluminum sheets by refining the grains. Pure aluminum was corrugated using a pair of flat grooved dies, followed by straightening, up to eight passes. After each corrugation and straightening, the specimens were subjected to cold rolling. The EBSD images of the combined RCS and rolled specimen showed considerable grain refinement compared to the RCSed samples. The mechanical properties such as hardness and tensile strength were studied, and the results showed that both the tensile strength and the hardness improved with respect to the number of passes. A considerable improvement in strength and hardness was obtained in the specimen which was processed through combined RCS and rolling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallography, Microstructure, and Analysis Springer Journals

Effect of Combined Repetitive Corrugation and Straightening and Rolling on the Microstructure and Mechanical Properties of Pure Aluminum

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC and ASM International
Subject
Materials Science; Metallic Materials; Characterization and Evaluation of Materials; Structural Materials; Surfaces and Interfaces, Thin Films; Nanotechnology
ISSN
2192-9262
eISSN
2192-9270
D.O.I.
10.1007/s13632-017-0400-7
Publisher site
See Article on Publisher Site

Abstract

In this work, combined repetitive corrugation and straightening (RCS) and rolling were employed to enhance the mechanical properties of aluminum sheets by refining the grains. Pure aluminum was corrugated using a pair of flat grooved dies, followed by straightening, up to eight passes. After each corrugation and straightening, the specimens were subjected to cold rolling. The EBSD images of the combined RCS and rolled specimen showed considerable grain refinement compared to the RCSed samples. The mechanical properties such as hardness and tensile strength were studied, and the results showed that both the tensile strength and the hardness improved with respect to the number of passes. A considerable improvement in strength and hardness was obtained in the specimen which was processed through combined RCS and rolling.

Journal

Metallography, Microstructure, and AnalysisSpringer Journals

Published: Oct 30, 2017

References

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