The Modulus of Alumina Fibres Containing Mesopores Dependence on Orientation Distribution
Sol-gel η-alumina fibres containing a proportion of axially-oriented pores have been compared with others containing only random porosity. The former fibres possess better mechanical properties. A simple theory is presented to account qualitatively for these effects which are related to the optical birefringence of fibres containing some axially oriented pores.
KeywordsFibre Diameter Alumina Fibre Refractive Index Difference Double Refraction Pore Fibre
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