Strain Energy During Mechanical Milling: Part II. Experimental

Authors

Y. J. Lin; B. Yao; Z. H. Zhang; Y. Li; Y. Sohn; J. M. Schoenung;E. J. Lavernia

Comments

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Abbreviated Journal Title

Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.

Keywords

AL-MG ALLOY; NANOSTRUCTURED MATERIALS; PROFILE ANALYSIS; NANOCRYSTALLINE; MICROSTRUCTURES; BEHAVIOR; COPPER; ZN; Materials Science, Multidisciplinary; Metallurgy & Metallurgical; Engineering

Abstract

The strain energy stored in mechanically milled 5083 Al powders was investigated using two experimental approaches: thermal and microstructural analysis. The experimental results show that mechanically milled 5083 Al powders store strain energy on the order of a few tens of joules per gram. These experimental results are consistent with the calculated strain energy stored in mechanically milled powders. The experimentally measured strain energy stored in powders increases with an increase in attritor diameter, impeller's rotational frequency, and ball-to-powder mass ratio; however, it decreases with an increase in ball diameter. These trends were in good agreement with the calculated strain energy stored in powders as a function of the corresponding processing parameters.

Journal Title

Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science

Volume

43A

Issue/Number

11

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

4258

Last Page

4265

WOS Identifier

WOS:000309239900036

ISSN

1073-5623

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