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Le iniziative legate al progetto UNCERT nel campo dei metodi di valutazione dell’incertezza nei risultati di prove meccaniche

pubblicazioni - Articolo

Le iniziative legate al progetto UNCERT nel campo dei metodi di valutazione dell’incertezza nei risultati di prove meccaniche

The scenario of existing standards provides several tools giving guidance to uncertainty evaluations in measurements. Generally, these documents fall in one of the following categories: definition of terms (glossary), uncertainty evaluation methods for the results provided by measuring instruments (metrology), and general criteria to be followed when evaluating the uncertainty in any type of measurements.

This presentation discusses the needs of uncertainty evaluation procedures perceived by the mechanical test labs community worldwide. In order to provide the actual uncertainty evaluation methods for mechanial tests, coherent with those general standards and including also the algorithms with the explicit values for coefficients to be used, a European SM&T Project was carried out in years 1997-2000, leading to the development of 17 Codes of Practice each specific of a particular type of measurement. An accompanying Measure was then started in 2002, exploiting the outcomes of that project, recently leading to a standardisation initiative via a CEN Workshop Agreement (CWA N°11) action, focussed on creep, tensile and low cycle fatigue tests. Appropriate references are provided in this presentation to help interested persons to find any sort of needed information on these initiatives. And an invitation is put to the widest public, to welcome in joining soon this running CWA.

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