Abstract

This paper is the second part of the series of papers, which establishes the finite element model (FEM) of single grain cubic boron nitride (CBN) bonding for quantitative analysis and optimization of the bonding force. The FEM model of the bonding force involves the geometric modelling of the bonding couple, the determination of the mechanical properties of the electroplating layer, and the development of the algorithm for CBN grain dislodgement. By modelling the actual grain shape and bond material, the FEM model is verified through the bonding force experiments based on the inclined micro-cutting test as of part 1. Finally, the comprehensive correlation of the bonding force with the bonding layer thickness and grain orientation is established through response surface methodology.

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