Statistical evaluation of hard-to-measure surfaces

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F24%3A63570861" target="_blank" >RIV/70883521:28110/24:63570861 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1088/1742-6596/2712/1/012020" target="_blank" >http://dx.doi.org/10.1088/1742-6596/2712/1/012020</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1742-6596/2712/1/012020" target="_blank" >10.1088/1742-6596/2712/1/012020</a>

Result language
angličtina
Original language name
Statistical evaluation of hard-to-measure surfaces
Original language description
The main goal of this article will be to find ways to evaluate hard-to-measure surfaces statistically. First, the basic characteristics and rules of surface quality will be described according to the standards ČSN EN 4287, ČSN EN 4288 and ČSN EN ISO 2517-2. Subsequently, the measured values of the roughness parameter Sa (arithmetic average of the height of the measured surface) and Sz (the maximum height of the measured surface) will be compared and evaluated which is the best. These parameters will be described and measured on aluminium plates on which the test surfaces were laser engraved. To evaluate the best surface, statistical methods will be used, such as the EDA methodology (exploratory data analysis), hypothesis testing with normality and outlier tests, and last but not least, cluster or cluster analysis, which compares the similarity of the measured data. This article aims to show the possibilities of surface quality assessment using 3D surface roughness parameters, which are not often used in practice.
Czech name
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Czech description
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Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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