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European patent n. EP 2,543,985 B1, "NUMERICAL-EXPERIMENTAL METHODOLOGY FOR VISCOUS MATERIALS BEHAVIOR STUDY" (BIM-36)

The study of viscous behavior of solid materials, in function of temperature, is generally performed by the use of optical instruments which can perform measurements without any contact with the sample to be examined. Despite the use of optical technology, test sample for viscous effect interferes with measuring instrument inevitably going to compromise experimental test results bringing interference to get unreliable results and not repeatable data.
Invention object of this patent, however, concerns the development of a numerical-experimental methodology for the study of viscous behavior of material and for the evaluation of actual results of material viscosity. It includes:

  • an experimental test setup developed ad hoc able to solve problems encountered in conventional test and obtain a reliable and repeatable experimental result;
  • a numerical simulation of experimental tests for determination of material's viscosity as a function of temperature.

The solution allows to study of all those materials that, during a process, perform simultaneously a withdrawal and a viscous deformation such as, for example, ceramic materials, polymers, composite materials and others.
In particular, it is applicable to all the sectors of production of manufactured goods in traditional or advanced ceramic material, but also to sanitary tiles and dishes. It is applicable to turbine blades production process for aviation, aerospace and energy.