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Type: Artigo de periódico
Title: The effects of mechanical alloying on the compressibility of aluminium matrix composite powder
Author: Fogagnolo, JB
Ruiz-Navas, EM
Robert, MH
Torralba, JM
Abstract: High-energy milling changes the compressibility of powder material due to the work hardening effect and the changes in the powder morphology. Aluminium 6061 powder alloy reinforced with AlN was mechanically alloyed for different lengths of time and the compressibility of the obtained powder was determined. The results are explained in terms of the plastic deformation capacity of the powders, which is influenced by the hardness and the morphology of the powder. With increased milling time, powder compressibility is reduced. The equiaxed morphology of the as-received unreinforced aluminium powder also induces low compressibility, which is improved by the simple addition of reinforcement particles. (C) 2003 Elsevier Science B.V. All rights reserved.
Subject: aluminium matrix composites
mechanical alloying
powder pressing
Country: Suíça
Editor: Elsevier Science Sa
Citation: Materials Science And Engineering A-structural Materials Properties Microstructure And Processing. Elsevier Science Sa, v. 355, n. 41671, n. 50, n. 55, 2003.
Rights: fechado
Identifier DOI: 10.1016/S0921-5093(03)00057-1
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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