Abstract
IT has been predicted1 that carbon fibre with a Young's modulus near 200 GN m−2 could be prepared from acrylic precursors to yield elastic breaking strains of 2 to 3% with the proviso that an internally clean precursor was selected, judiciously processed and then surface treated to remove the more serious surface flaws. The prediction was made on the basis of gross internal and surface flaws controlling the strength characteristics of acrylic-based carbon fibres, at least in the region of carbonisation temperatures 1,000 to 1,300° C and in the associated modulus range 140 to 240 GN m−2.
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THORNE, D. Carbon fibres with large breaking strain. Nature 248, 754–756 (1974). https://doi.org/10.1038/248754a0
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DOI: https://doi.org/10.1038/248754a0
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