An Alternative to the Conventional Tri-Axial Compression Test

Morten Storgaard Nielsen; Niels Bay; Morten Eriksen; Jakob Ilsted Bech

An Alternative to the Conventional Tri-Axial Compression Test

Morten Storgaard Nielsen, Niels Bay, Morten Eriksen, Jakob Ilsted Bech

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

A new test for measurement of the mechanical properties of granular powders is proposed, consisting of upsetting the powder inside a metal tube. The radial pressure is found by correlating measurements of radial bulging of the tube with numerical analysis of tube bulging. Estimates of the error on the determination of the radial pressure are given along with an evaluation of the coefficient of friction for a specific case. New data for the yield surfaces for BSCCO are given and found to be in good agreement with previously published data.

Original language	English
Journal	Powder Technology
Volume	161
Issue number	3
Pages (from-to)	220-226
ISSN	0032-5910
Publication status	Published - 2006

Keywords

Drucker-Prager
Mechanical testing
BSCCO
MM04.17
Constitutive equations

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AB - A new test for measurement of the mechanical properties of granular powders is proposed, consisting of upsetting the powder inside a metal tube. The radial pressure is found by correlating measurements of radial bulging of the tube with numerical analysis of tube bulging. Estimates of the error on the determination of the radial pressure are given along with an evaluation of the coefficient of friction for a specific case. New data for the yield surfaces for BSCCO are given and found to be in good agreement with previously published data.

KW - Drucker-Prager

KW - Mechanical testing

KW - BSCCO

KW - MM04.17

KW - Constitutive equations

M3 - Journal article

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EP - 226

JO - Powder Technology

JF - Powder Technology

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ER -

An Alternative to the Conventional Tri-Axial Compression Test

Abstract

Keywords

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