The relation between the tensile strength and the hardness of metals (1930)
NASA Technical Reports Server (NTRS) · leaf 23
.A.C.A. Technical Memorandum No.552 Figs.15,16 Coefficient, n … rH O ^ d2: d]_ for P2:?l-2 , CO (T> CO CO O CO LO CO rH LO CO rH CO LO ^ ^ CO CO CO Q CT> CO ZN £> CO I ^ CO CO CO CO CO to CO CO lO CO CO CO CO CO J rH rH r—I rH LO Q CO CO Ch ZN LO CO CO , rH H CO O CO { J> ^ eg rd cn co tN co ~ • LO ' ^ CO ZN ZN CO j CO LO I LO LO co co CO LO LO LO LO co lo cr>…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
