2011•Unpublished venueRequires access
INSTRUMENTED INDENTATION OF Al2O3-SiC NANOCOMPOSITES
Erika Csehová, Ján Dusza, Apichart Limpichaipanit, Richard Ian Todd
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Abstract
It is well known that the apparent hardness of a solid usually depends on the applied test load. This phenomenon, known as the indentation size effect (ISE), involves a decrease in the measured apparent hardness with increasing applied test load, i.e., with increasing indentation size. The works focused mainly on the analyses of the microor macrohardness data and little effort has been devoted to examine the applicability of these equations to the nanoindentation data obtained using instrumental indentation test. The instrumental hardness, “H“ is defined as the ratio of the peak load, Pmax, to the project area of the indentation impression, Ac,