Mechanical characterization of fibres used for reinforcing metals and evaluation of seeded sol-gel derived alumina-fibre reinforced 1100 aluminium castings

The properties of a newly developed seeded sol--gel-derived alumina fibre have been evaluated and compared with currently commercially available alumina and pitch-derived carbon fibres of similar modulus. These fibres were wrapped into preforms and pressure infiltration cast to form commercially-pur...

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Bibliographic Details
Published in:Journal of materials science 1993-08, Vol.28 (16), p.4391-4397
Main Authors: LESCA, C. M, CORNIE, J. A, FRILER, J. B, ARGON, A. S
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Fibre reinforced metals
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
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Summary:The properties of a newly developed seeded sol--gel-derived alumina fibre have been evaluated and compared with currently commercially available alumina and pitch-derived carbon fibres of similar modulus. These fibres were wrapped into preforms and pressure infiltration cast to form commercially-pure-aluminium (1100) matrix composites. The manufactured composites were then flexure and tensile tested to determine their axial and transverse properties. Calculations of the composite strength based upon the statistical theory of fracture were performed and are in good agreement with the experimental results.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF01154947