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Merilna negotovost pri kalibraciji merilnih kladic iz različnih materialov po postopku mehanske primerjave : doktorska disertacijaGodina, AndrejMerilne kladice so najbolj natančni in za industrijo najpomembnejši opredmeteni etaloni, saj ji omogočajo zanesljiv in sledljiv etalon za dolžino. Najbolj razširjeni postopek zagotavljanja ... sledljivosti na področju dimenzionalne metrologije je kalibracija merilnih kladic po postopku mehanskega primerjanja z etalonskimi kladicami. Postopek je dobro poznan in uporabljan v varianti primerjanja kladie iz enakih materialov. Kalibriranje merilnih kladic iz drugih materialov (karbidne trdine in keramika) s postopkom primerjanja z jeklenimi etalonskimi kladicami se izvaja z zelo povečano merilno negotovostjo, tudi za faktor dva in več glede na enak postopek z jeklenimi kladicami. Predstavljena je rešitev za problem bistvenega povečanja merilne negotovosti: razvit je matematični model meritve in izvedena celovita analizo merilne negotovosti primerjalne kalibracije kladic iz različnih materialov. Oboje temelji na obširnem zbiranju in vrednotenju vplivnih veličin, tako iz navedb v strokovni literaturi, analitičnih in numeričnih izračunov, kakor tudi iz rezultatov eksperimentalnih postopkov, izvedenih v nacionalnem kalibracijskem laboratoriju. Visoka zanesljivost ovrednotene merilne negotovosti mehanske kalibracije kladic iz različnih materialov izhaja tudi iz predhodno izvedene celovite analize in ovrednotenja merilne negotovosti mehanske kalibracije jeklenih kladic, ki temelji na dolgoletnem raziskovalnem delu v kalibracijskem laboratoriju. Ovrednotene merilne negotovosti so v celoti potrjene z rezultati iz mednarodne interkomparacije v okviru EUROMET.Type of material - dissertationPublication and manufacture - Maribor : [A. Godina], 2006Language - slovenianCOBISS.SI-ID - 11160086
Author
Godina, Andrej
Other authors
Drnovšek, Janko, 1952-
Topics
merilna kladica |
mehanska primerjava |
kalibracija |
merilna negotovost |
gauge block |
mechanical comparison |
calibration |
measurement uncertainty
Library | Call number – location, accession no. ... | Copy status |
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Library of Technical Faculties, Maribor | pisarna A-003 (FERI) DD GODINA A. Merilna | available - reading room |
University of Maribor Library | Skladišče II 65447 | available - reading room |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Godina, Andrej | 15680 |
Drnovšek, Janko, 1952- | 10774 |
Source: Personal bibliographies
and: SICRIS
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