Narodna in univerzitetna knjižnica, Ljubljana (NUK)
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A new approach to evaluating the chemical micro-heterogeneity of a continuously cast steel slab = Nov način ocenjevanja kemijske mikroheterogenosti kontinuirno ulitih slabovDobrovská, Jana ...The paper deals with a new approach to measuring and evaluating the chemical micro-heterogeneity of the elements in solidified poly-component metallic systems. The original approach is based on ... experimental measurements made on the samples taken from characteristic places in a casting and the subsequent application of an original mathematical model for determining the element-distribution profile, characterizing the most probable distribution of an element concentration in the frame of a dendrite, and an original mathematical model for determining the effective partition coefficients of these elements in the structure of the analyzed alloy. The paper also describes an application of this method in the research of the chemical heterogeneity on a cross-section of a CC steel slab and presents the selected results (indices of the heterogeneity and effective partition coefficients of seven analyzed elements) characterizing the chemical micro-heterogeneity on one-half of the cross-section of this CC steel slab. The following main results were obtained: (i) the dendritic heterogeneity of the accompanying elements and impurities is comparatively high; (ii) all the analyzed elements segregate during the solidification into an inter-dendritic melt, and their partition coefficient is smaller than one; (iii) the effective partition coefficients calculated in this new way inherently include both the effect of segregation in the course of an alloy solidification, and the effect of the homogenization occurring during the solidification as well as during the cooling of an alloy.Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 47, št. 1, jan.-feb. 2013, str. 79-83)Vrsta gradiva - članek, sestavni delLeto - 2013Jezik - angleškiCOBISS.SI-ID - 960682
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vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 47, št. 1, jan.-feb. 2013, str. 79-83)
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Dobrovská, Jana | ![]() |
Kavička, František | ![]() |
Dobrovská, Věra | ![]() |
Stransky, Karel | ![]() |
Francová, Hana | ![]() |
Vir: Osebne bibliografije
in: SICRIS
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