MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Mechanical Properties of Dense Cordierite Discs Sintered by Solar Radiation Heating
Fernando Almeida Costa Oliveira, Luís Guerra Rosa, Jorge Cruz Fernandes, José Rodríguez, Inmaculada Cañadas, Diego Martínez, Nobumitsu Shohoji
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Keywords: cordierite, solar furnace, sintering, uniaxial flexure strength, equibiaxial flexure strength
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2009 Volume 50 Issue 9 Pages 2221-2228

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Abstract

Consolidation of cordierite disc specimens was undertaken under concentrated solar beam in a solar furnace at PSA (Plataforma Solar de Almería). Satisfactory extent of densification was achieved by the present solar-sintering experiment. The mechanical properties measured for the solar-sintered cordierite test pieces were; density ρ=2.45±0.02 g/cm3, Vickers microhardness HV=7.31±0.29 GPa, Young’s modulus E=97±5 GPa, shear modulus G=38±2 GPa, Poisson ratio ν=0.27±0.01, fracture toughness KIC=1.50±0.15 MPa·m1⁄2 and modulus of rupture evaluated by ring-on-ring test MORROR=57.8±13.7 MPa which were comparable to those of the counterparts sintered by conventional industrial gas furnace.

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© 2009 The Japan Institute of Metals and Materials
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