Conclusions
The tensile strength σt and fatigue limit σ−1 of powder metallurgical and cast MLCs grow with decreasing mean layer thickness h starting from 5000 Å. In cast Type 45 steel/copper composites high tensile strengthσ t (222 kgf/mm2) combines with high impact strengtha n (8 kgf-m/cm2) and hardness (42–45 HRC). With powder metallurgical and cast MLCs, at any given life NG the cycle stress necessary for fatigue fracture grows with decreasing mean layer thickness (within the h = 5000-500 Å range investigated).
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Translated from Poroshkovaya Metallurgiya, No. 11(203), pp. 33–37, November, 1979.
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Revo, S.L., Maiboroda, V.P. & Kopan', V.S. Mechanical properties of multilayer steel-copper composites. Powder Metall Met Ceram 18, 794–797 (1979). https://doi.org/10.1007/BF00802363
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DOI: https://doi.org/10.1007/BF00802363