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In this paper, an analytical model is established to calculate both the ploughing and adhesive friction coefficients of metals in a scratch test with the Berkovich indenters at different tip orientations. Using the finite element analysis of nanoscratch test, the patterns of material flow lines around the indenter at different tip orientations are extracted. The adhesive friction coefficient is predicted...
To simulate a nanoindentation test, the conical indenters with an equivalent cone apex semi-angle are often used instead of actual 3D Berkovich indenter in order to reduce the analysis time duration and also to obtain the analytical relations to describe the phenomenon. The aim of this paper is to investigate whether it is possible to use a conical indenter with an equivalent cone apex semi-angle...
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