Tensile, compressee, and shear response of a particulate reinforced aluminum composite

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

The effect that various loads have on a 6092/SiC/17.5p-T6 participate reinforced aluminum composite is determined. In addition to the mechanical response from tensile, compressive, and shear loading, yield loci in the axial-shear stress plane are constructed using axial-torsional loading of a thin-walled tube. Yield loci are determined by multiple yield probes of a single specimen using a 40 × 10-6 equivalent offset strain definition of yielding. Cyclic tensile straining to increasingly higher amplitudes indicated a modulus reduction of 16% prior to fracture, strongly suggesting accumulation of internal damage, but no change in the elastic Poisson's ratio was observed. Cyclic compressive loading resulted in no observable change in modulus. Cyclic shear loading led to a minimal shear modulus reduction of approximately 6%. The initial yield locus in the axial-shear stress plane had an eccentricity in the compressive stress direction that is known as a strength differential. The strength-differential was measured to be 55% and is believed to be associated with thermal residual stresses from heat treatment. After shear prestraining subsequent yield loci were constructed. Hardening was observed to be primarily kinematic.

Original languageEnglish (US)
Pages (from-to)255-272
Number of pages18
JournalASTM Special Technical Publication
Issue number1436
StatePublished - Jan 1 2003
EventASTM Special Technical Publication - Pittsburgh, PA, United States
Duration: Mar 11 2002Mar 12 2002

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Shear stress
Aluminum
Composite materials
Poisson ratio
Compressive stress
Thermal stress
Hardening
Residual stresses
Kinematics
Elastic moduli
Heat treatment

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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title = "Tensile, compressee, and shear response of a particulate reinforced aluminum composite",
abstract = "The effect that various loads have on a 6092/SiC/17.5p-T6 participate reinforced aluminum composite is determined. In addition to the mechanical response from tensile, compressive, and shear loading, yield loci in the axial-shear stress plane are constructed using axial-torsional loading of a thin-walled tube. Yield loci are determined by multiple yield probes of a single specimen using a 40 × 10-6 equivalent offset strain definition of yielding. Cyclic tensile straining to increasingly higher amplitudes indicated a modulus reduction of 16{\%} prior to fracture, strongly suggesting accumulation of internal damage, but no change in the elastic Poisson's ratio was observed. Cyclic compressive loading resulted in no observable change in modulus. Cyclic shear loading led to a minimal shear modulus reduction of approximately 6{\%}. The initial yield locus in the axial-shear stress plane had an eccentricity in the compressive stress direction that is known as a strength differential. The strength-differential was measured to be 55{\%} and is believed to be associated with thermal residual stresses from heat treatment. After shear prestraining subsequent yield loci were constructed. Hardening was observed to be primarily kinematic.",
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Tensile, compressee, and shear response of a particulate reinforced aluminum composite. / Lei, Xin; Lissenden, III, Clifford Jesse.

In: ASTM Special Technical Publication, No. 1436, 01.01.2003, p. 255-272.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Tensile, compressee, and shear response of a particulate reinforced aluminum composite

AU - Lei, Xin

AU - Lissenden, III, Clifford Jesse

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N2 - The effect that various loads have on a 6092/SiC/17.5p-T6 participate reinforced aluminum composite is determined. In addition to the mechanical response from tensile, compressive, and shear loading, yield loci in the axial-shear stress plane are constructed using axial-torsional loading of a thin-walled tube. Yield loci are determined by multiple yield probes of a single specimen using a 40 × 10-6 equivalent offset strain definition of yielding. Cyclic tensile straining to increasingly higher amplitudes indicated a modulus reduction of 16% prior to fracture, strongly suggesting accumulation of internal damage, but no change in the elastic Poisson's ratio was observed. Cyclic compressive loading resulted in no observable change in modulus. Cyclic shear loading led to a minimal shear modulus reduction of approximately 6%. The initial yield locus in the axial-shear stress plane had an eccentricity in the compressive stress direction that is known as a strength differential. The strength-differential was measured to be 55% and is believed to be associated with thermal residual stresses from heat treatment. After shear prestraining subsequent yield loci were constructed. Hardening was observed to be primarily kinematic.

AB - The effect that various loads have on a 6092/SiC/17.5p-T6 participate reinforced aluminum composite is determined. In addition to the mechanical response from tensile, compressive, and shear loading, yield loci in the axial-shear stress plane are constructed using axial-torsional loading of a thin-walled tube. Yield loci are determined by multiple yield probes of a single specimen using a 40 × 10-6 equivalent offset strain definition of yielding. Cyclic tensile straining to increasingly higher amplitudes indicated a modulus reduction of 16% prior to fracture, strongly suggesting accumulation of internal damage, but no change in the elastic Poisson's ratio was observed. Cyclic compressive loading resulted in no observable change in modulus. Cyclic shear loading led to a minimal shear modulus reduction of approximately 6%. The initial yield locus in the axial-shear stress plane had an eccentricity in the compressive stress direction that is known as a strength differential. The strength-differential was measured to be 55% and is believed to be associated with thermal residual stresses from heat treatment. After shear prestraining subsequent yield loci were constructed. Hardening was observed to be primarily kinematic.

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