Indentation grid analysis of nanoindentation bulk and in situ properties of ceramic phases
Composites properties are often derived from the properties of the constituent phases measured in bulk forms. However, in situ properties can be different from those measured in bulk as a consequence of material processing [1, 2, 3]. In ceramic composites, for example, spurious phases can form due to the chemical interaction of different powders. The knowledge of in situ properties would allow a better characterization and tailoring of composites performances. Many ceramic composites are particle-reinforced composites so that the evaluation of in situ properties involves measurements in very small volumes. For some mechanical properties, this can be accomplished by nanoindentation tests. By nanoindentation, single microstructural elements can be tested as grains in polycrystals [4, 5] or single phases in composites [3, 6, 7, 8]. In this work, a comparison between nanoindentation bulk and in situ properties of some ceramic phases will be presented. Generally, in situ properties are...
KeywordsScanning Electronic Microscope Analysis Ceramic Composite Scanning Electronic Microscope Result Cumulative Distribution Function Indentation Mark
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