Springer Online Journal Archives 1860-2000
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Abstract We have elaborated a procedure for numerically modelling the behaviour of polymer-based materials as a function of two independent variables such as temperature and rate. The parameters of the model are chosen to have close physical significance, e.g. in terms of molecular theories or other measurements. The model may be adjusted to the data by a least-squares fit, yielding the optimal parameters provided the chi-squared test shows the fit to be acceptably good. Specimens may be compared by studying the dependence of individual fitted model parameters on preparation variables. Under certain conditions this procedure can be extended to result in the quantitative prediction of the ingredients and preparation needed to produce a material of desired properties. We describe the implementation of the procedure on a computergraphics facility, and apply it to the study of the tear energy in filled vulcanizates.
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