Abstract
W. F. THOMAS recently pointed out1 that E glass fibres in the size range 0.0002–0.0006 in. had a very consistent strength of 540,000 lb./in.2, when tested on a 1-in. gauge length. This is equivalent to an elastic failing strain of about 5 per cent. Other workers have found the strength of untouched glass fibres drawn in a similar way to be lower and more variable, depending on the conditions under which the fibres were formed2 3.
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References
Thomas, W. F., Nature, 181, 1006 (1958).
Griffith, A. A., Trans. Roy. Soc., A, 221, 163 (1920).
Otto, W. H., J. Amer. Ceram. Soc., 38 (3), 122 (1955).
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PARRATT, N. Strength of Glass Fibres. Nature 181, 1726–1727 (1958). https://doi.org/10.1038/1811726c0
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DOI: https://doi.org/10.1038/1811726c0
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