Design and Development of a Software for the Estimation of the Vickers Hardness Measurement Uncertainty

Abstract

Measurement uncertainty is a common concept. This concept gives us a certain degree of confidence in the results obtained from a specific measurement. However, its estimation is a very complex process, requiring knowledge of mathematics, but also a thorough knowledge of the method by which a certain type of measurement is performed. The uncertainty of the measurement result reflects the lack of knowledge of the measurand value. The result of a measurement after correction for recognized systematic effects is still only an estimated value of the measurand because of the uncertainty arising from random effects and from imperfect correction of the result for systematic effects. Scientists have created and developed tools to optimize their work in order to reduce the time wasted by making the mathematical calculations necessary to estimate uncertainty of measurement, regardless of the type of measurement. This paper aims to present the design and development of a software used to determine the Vickers hardness measurement uncertainty based on the mathematical model presented in the ISO 6507 standard. For the development of the software, a special program based on the C ++ programming language, program that allows graphical modelling of the interface, will be used.