CORRELATION BETWEEN NANOINDENTATION TEST RESULT AND VICKERS HARDNESS
Takeshi Sawa
Abstract:
The nanoindentation method is one of the recently developed hardness testing methods, and was standardized as ISO14577 in 2002. Recently, papers and reports using the analysis method and parameters defined in ISO14577 have been published. Among those parameters, indentation hardness is used pretty frequently. This is probably because indentation hardness is deemed to be correlated with Vickers hardness, and sometimes indentation hardness is treated as Vickers hardness. Certainly, in the papers cited in ISO14577, it can be confirmed that indentation hardness almost coincides with Vickers hardness. However, in those cited papers, only some general metals and fused silica were used as specimens of nanoindentation. Actually, in addition to general metals and fused silica, various materials such as resin materials and amorphous materials should become specimens of nanoindentation. Accordingly, it is described in this paper whether or not the correlation between nanoindentation hardness and Vickers hardness can be applied to such various materials, and an analysis method that has stronger correlation with Vickers hardness is also described.
Keywords:
indentation hardness, Vickers hardness, indentation work
11th HARDMEKO Conference: HARDMEKO 2010 (together with 21st TC3 Conference on Measurement of Force, Mass and Torque and 2nd TC22 Meeting on Vibration Measurement)
