Grain refinement of commercial purity Magnesium processed by Ecap (Equal Channel Angular Pressing)

Grain refinement of commercial purity Magnesium processed by Ecap (Equal Channel Angular Pressing)

Grain refinement in magnesium is evaluated in the present paper. Equal Channel Angular Pressing is used to process commercially pure magnesium. Processing was carried out at 523 K which is lower than the temperature used in other papers on the literature. The grain structure was evaluated throughout...

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Bibliographic Details
Main Authors: Flávia Spitale Jacques Poggiali, Roberto Braga Figueiredo, Maria Teresa Paulino Aguilar, Paulo Roberto Cetlin
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2012-04-01
Series:Materials Research
Subjects:
magnesium
severe plastic deformation (SPD)
ECAP
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000200022
Description
Summary:Grain refinement in magnesium is evaluated in the present paper. Equal Channel Angular Pressing is used to process commercially pure magnesium. Processing was carried out at 523 K which is lower than the temperature used in other papers on the literature. The grain structure was evaluated throughout the deformation zone. The low processing temperature prevents significant grain growth. The evolution of the grain structure is compared to a recent model for mechanism of grain refinement in magnesium. The present results confirm the validity of the model.
ISSN:1516-1439

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