An Approach for Material Model Identification of a Composite Coating Using Micro-Indentation and Multi-Scale Simulations

While deposited thin film coatings can help enhance surface characteristics such as hardness and friction, their effective incorporation in product design is restricted by the limited understanding of mechanical behavior. To address this, an approach combining micro-indentation meso/micro-scale simulations was proposed. In this approach, testing conducted on both coating substrate. A meso-scale uniaxial compression finite element model developed to obtain a material coating. This incorporated within axisymmetric micro-scale simulate indentation. The proposed applied Ti/SiC metal matrix nanocomposite (MMNC) coating, with 5% weight SiC nanoparticles over Ti-6Al-4V substrate using selective laser melting (SLM). Micro-indentation MMNC results indicated that be represented bi-linear elastic-plastic model, which model. Comparison experimental capturing post-indentation behavior methodology also used for studying response composite different percentages reinforcements.