Abstract
OUR previous experiments on the rheological properties of coal, determining Young's modulus by a resonant frequency method1, internal viscosity by measuring the vibrational decrement at audiofrequencies2, and breaking-strength by measuring the stress applied for rupture for various durations of load3, have shown that variations of these properties with ash concentration in coal expressed by volume parts are linear.
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References
Inouye, K., J. Colloid Sci., 6, 190 (1951).
Inouye, K., Bull. Chem. Soc. Japan (in the press).
Inouye, K., and Tani, H., Bull. Chem. Soc. Japan (in the press).
Bangham, D. H., Franklin, R. E., Hirst, W., and Maggs, F. A. P., Coal Research, 153 (1948).
Guth, E., J. App. Phys., 16, 20 (1945).
Inouye, K., J. Fuel Soc. Japan, 29, 112 (1950).
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INOUYE, K. Structural Skeleton in a Bituminous Coal. Nature 171, 487–488 (1953). https://doi.org/10.1038/171487b0
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DOI: https://doi.org/10.1038/171487b0
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