Analysis of nanoindentation tests on SiC-based ceramics

Guicciardi, Stefano; Melandri, Cesare; Sciti, Diletta; Pezzotti, Giuseppe

doi:10.1080/14786430600681639

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2014

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“…But Panich et al have observed that the hardness of silicon increased a little with increasing the indentation depth (or load) [18]. Guicciardi et al studied the nanoindenation properties of SiC-based ceramics and fused silica [19]. They found that the hardness of fused silica and S78 (grain size: 78 nm) were almost load-independent.…”

Section: Resultsmentioning

confidence: 99%

Influence of the Process Temperature of Spark Plasma Sintering on Micorsturcture and Nanoindentation Hardness/Young’s Modulus of WC-8wt%Co

Zhang

Burkel

2014

KEM

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WC-8wt%Co nanopowder was consolidated by spark plasma sintering at process temperatures (TSPS) from 1100 to 1400 °C. The nanoindentation hardness and Young’s modulus of the consolidated specimens were measured under different peak load levels (Pmax). The hardnesses and modulus of WC-8wt% Co shows a clear dependence on the microstructures and peak load levels. At 1200 and 1300 °C, the hardness and modulus were higher than those at 1100 and 1400 °C due to the higher relative density and fine grain size. The relationship of stiffness (S) and contact depth (hc) of nanoindentation was discussed.

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Section: Resultsmentioning

confidence: 99%