Characterisation of severity of particle clustering and its effect on fracture of particulate MMCs

摘要: AbstractThe issues involved in characterising the spatial distribution of reinforcement particles MMCs are briefly explored. It is concluded that tessellation microstructure into cells, each which contains a single particle, necessary if comprehensive characterisation required. Experimental results presented from microstructural analysis and mechanical testing number AI-Si/20 vol.-%SiCp produced by different processing routes. The most useful parameter for severity clustering found to be ratio variance cell areas corresponding obtainedfrom random particle with same average areal density particles. Either Dirichlet or growth procedures can used. High values were correlate low ductilities. transition significantly regularised microstructures correlates sharp increase ductility f...