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Title:Upogibna trdnost korundne keramike : primerjava različnih teoretičnih porazdelitev na osnovi eksperimentalnih podatkov
Authors:ID Ambrožič, Milan (Author)
ID Gorjan, Lovro (Author)
ID Inštitut za kovinske materiale in tehnologije (Copyright holder)
Files:.pdf Materiali_in_Tehnologije_2012_Ambrozic,_Gorjan_Bend_Strength_of_Alumina_Ceramics_a_Comparison_of_Different_Theoretical_Distributions_on.pdf (238,17 KB)
MD5: 9AFC44FD891BF458EA77FA83F4E73846
 
URL http://mit.imt.si/Revija/izvodi/mit124/ambrozic.pdf
 
Language:Slovenian
Work type:Scientific work
Typology:1.04 - Professional Article
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Statistično smo ovrednotili 5100 eksperimentalnih vrednosti upogibnih trdnosti testnih vzorcev iz redne proizvodnje korundnih keramičnih izdelkov. Primerjali smo teoretično izračunano Weibullovo porazdelitev z dvema drugima pogosto uporabljenima dvoparametričnima porazdelitvama, normalno in log-normalno, da bi ugotovili, katera se najbolj sklada z meritvami. Za izračun ustreznih prostih parametrov smo uporabili metodo največje verjetnosti (maximum-likelihood method). Potem smo za primerjavo rezultatov uporabili Q–Q-diagrame. Potrdili smo domnevo, da se z eksperimentalnimi vrednostmi trdnosti najbolj ujema Weibullova porazdelitev.
Keywords:upogibna trdnost, Weibullova porazdelitev, statistične metode
Publication status:Published
Publication version:Version of Record
Year of publishing:2012
Number of pages:str. 419-422
Numbering:Letn. 46, št. 4
PID:20.500.12556/DKUM-65170 New window
ISSN:1580-2949
UDC:519.61/.64:666.3/.7
ISSN on article:1580-2949
COBISS.SI-ID:26031655 New window
NUK URN:URN:SI:UM:DK:RQDWVFVV
Publication date in DKUM:14.03.2017
Views:1123
Downloads:149
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Materiali in tehnologije
Shortened title:Mater. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1580-2949
COBISS.SI-ID:106193664 New window

Secondary language

Language:English
Title:Bend strength of alumina ceramics
Abstract:We have performed a statistical evaluation of 5100 experimental values of the bend strength of test pieces from a serial production of alumina products. The Weibull distribution was compared with two other commonly used 2-parametric distributions, i.e., normal and log-normal, in order to reveal which of them best matches the experiments. The maximum-likelihood method was used to evaluate the corresponding parameters, and then a Q–Q plot was used for all the statistics. We confirmed that the Weibull distribution describes the experimental strengths most accurately.
Keywords:Weibull distribution, maximum-likelihood method, Q–Q diagram


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