Summary
A theoretical analysis of the Rockwell method of ball hardness measurements is made. A general expression for Rockwell ball hardness numbers in terms of the Meyer constantsn andb is given. It is shown that the theoretical results are in agreement with experimental results. The conversion of Meyer and Brinell hardness numbers to Rockwell hardness numbers is discussed.
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References
Peck, R. L., and W. E. Ingerson, Proc. Am. Soc. Test. Mat.39 (1939) 1270.
Meyer, E., Z. Ver.dtsch. Ing.52 (1908) 645, 740, 835.
O’Neill, H., The Hardness of metals and its measurement; London.
Prescott, J., Applied Elasticity; London, 1924.
Hertz, H., Gesammelte Werke I; Leipzig, 1895; R. J. Roark, Formulas for Stress and Strain; Mc Graw-Hill, Chapter 13.
Holm, E., R. Holm and E. I. Shobert, J. appl. Phys.20 (1949) 319.
Norbury, A. L., J. iron steel Inst.117 (1928) 673.
Tabor, D., Proc. roy. Soc.192 (1947–1948) 247.
Lysaght, V. E., Indentation Hardness Testing; Reinhold Publishing Co, 1949.
Nadai, A., Plasticity; Mc Graw-Hill, 1931. R. Hill, The mathematical Theory of Plasticity; Oxford, 1950.
Tabor, D., in a summary of a paper presented by Tabor to the Société Française de Métallurgie (Journées Metallurgiques d’Automne, October 1950). A fuller account to be published in The Journal of the Institute of Metals, London.
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du Toit Meyer, M.A. A theory of rockwell ball hardness. Appl. sci. Res. 3, 11–26 (1951). https://doi.org/10.1007/BF03184669
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DOI: https://doi.org/10.1007/BF03184669