Application of the Improved Inclusion Core Model of the Indentation Process for the Determination of Mechanical Properties of Materials
Source abstract
Abstract
The improved Johnson inclusion core model of indentation by conical and pyramidal indenters in which indenter is elastically deformed and a specimen is elastoplastically deformed under von Mises yield condition, was used for determination of mechanical properties of materials with different types of interatomic bond and different crystalline structures. This model enables us to determine approximately the Tabor parameter С = НМ/YS (where НМ is the Meyer hardness and YS is the yield stress of the specimen), size of the elastoplastic zone in the specimen, effective apex angle of the indenter under load, and effective angle of the indent after unloading. It was shown that the Tabor parameter and the size of elastoplastic deformation zone increase monotonically with the increase of the plasticity characteristic indentation test results significantly more informative.
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Research context
OpenAlex topics: Metal and Thin Film Mechanics · Advanced materials and composites · Advanced machining processes and optimization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Problems of Materials Science of NASU, 3 Krzhizhanovky Str., 03680 Kiev, Ukraine
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