Title

High Strain Rate Superplasticity in Aluminum Alloys via Friction Stir Processing

Abstract

Friction stir processing (FSP) leads to very fine grained microstructure in aluminum alloys. This feature can be used as a means for achieving enhanced superplasticity at higher strain rates. Also, FSP can convert cast microstructure into superplastic microstructure in a single step. FSP aluminum alloys have less tendency towards cavitation compared to conventional superplastic alloys. These enhanced superplastic characteristics can be utilized in developing new manufacturing concepts like selective superplasticity, thick plate superplasticity and superplastic forging.

Department(s)

Materials Science and Engineering

Keywords and Phrases

Abnormal Gain Growth; Aluminum Alloys; Cavitation; Friction Stir Processing; High Strain Rate Superplasticity

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2004 The Minerals, Metals & Materials Society (TMS), All rights reserved.

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