The relation between the tensile strength and the hardness of metals (1930)
NASA Technical Reports Server (NTRS) · leaf 22
N.A.C.A. Technical Memorandum No.552 Figs.13,14 7 6 5 4 3 2 1 2.0 2.1 2.2 2.3 2.4 2.5 Coefficient,n Fig.13 Tensile strength and yield point plotted against the hardness coefficients a and n on the basis of the deduced relations. … 2.0 2.1 2.2 2.S 2.4 2.5 2.6 Coefficient, n Fig.14 Tensile strength ratio plotted against hardness coefficients, a-^Q and n on "basis of tests.
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