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The paper is concerned both with mathematical engineering and material engineering. Mathematical methods are applied as well as methods for calculating thermodynamic properties of pure substances generally, in particular those of pure gold. New procedures are suggested for calculating the enthalpy, entropy, and Gibbs free energy from the values of isobaric olar thermal capacity. The methods employed...
The paper deals with non-traditional applications of the theory of fuzzy sets to expressing the properties of materials with numeric data of a vague character. The theoretical part is concerned with the development of the fuzzy logic and fuzzy searching in fuzzy sets with a polygonal membership function. These methods have been used to adopt a new approach to the solution of a relational database...
The paper presents new global characteristics of chemical nonhomogeneity and its distribution direction of alloying elements in the matrix of graphitic cast alloy. The basic properties of these characteristics are described and numerical methods are proposed for their calculation out of a set of empirical data. The results have successfully been applied to samples of nodular cast iron.
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