Finite Element Simulation of Ceramic Powder Compaction : Uniaxial Compaction of Alumina Ceramic Powder

Language: English

Published by LAP LAMBERT Academic Publishing, 2016

3659926507 / 9783659926501

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Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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nach der Bestellung gedruckt Neuware - Printed after ordering - The green compact of uniform density is a fundamental requirement for the production of a good quality and high strength part. Density inhomogeneity can be caused by friction force owing to interparticle movement and relative slip between the powder particles and the die wall. Also, the die geometry and the sequence of punch movements results in a lack of density homogeneity for a compact of complex shape. In this study the mechanical behavior of alumina ceramic powder during maximum applied stress stage to the unloading and after the ejection are analyzed using Finite Element Methods, in which the powder is modeled as an elastic-plastic continuum material. The modify Drucker-Prager Cap model was chosen as the yield surface of the medium, the surface consists of a linear shear failure, transition, and elliptic cap surface. The elastic properties and plastic parameters of the model were expressed as a function of density, from which realistic powder properties are generated and fed into ABAQUS finite element code; and the constitutive modeling of the frictional behavior of the powder in the die is modeled by Coulomb's friction low.

Seller Inventory # 9783659926501

Title
Finite Element Simulation of Ceramic Powder Compaction : Uniaxial Compaction of Alumina Ceramic Powder
Author
Omed Gh. Abdullah
Publisher
LAP LAMBERT Academic Publishing
Publication year
2016
Condition
Neu
Binding
Taschenbuch
Language
English
ISBN 10
3659926507
ISBN 13
9783659926501
Item weight
244 grams
Dimensions
220x150x10 mm

AHA-BUCH GmbH

Einbeck, Germany

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AbeBooks seller since August 14, 2006

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