The relation between the tensile strength and the hardness of metals (1930)
NASA Technical Reports Server (NTRS) · leaf 18
Figs.5,6. N.A.C.A. Technical Memorandum No.552 i *z , " x ♦ ^ rS H -4 2 4 6 8d for D = 10 Irrroression diameter Fig#5 Brinell hardness plotted against impression diameter. … 0 2 4 6 8 d for D - 10 Impression diameter Tig.6 Mean specific pressure (Meyer hardness) plotted against impression diameter.
NASA Technical Reports Server (NTRS)
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