What is MATERIALS SELECTION?

Activity involving matching materials available to product specification, particularly in terms of mechanical properties eg elastic modulus and strength, thermal properties eg melting and glass transitions, thermal conductivity, chemical properties eg corrosion resistance and environmental stress cracking and electrical properties eg electrical conductivity and tracking resistance. It also includes processing properties and ease of manufacture, as well as costing. Methods include merit index analysis and those based on value judgements. Some methods are computerized and cover metals, ceramics and polymers eg PERITUS, others like PLASCAMS, only apply to polymers. Problems of appli


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