D 2018

USE OF THE METHOD OF DESIGN OF EXPERIMENT FOR QUANTIFICATION OF THE INFLUENCE OF EXPERIMENTAL CONDITIONS ON THE CORRECTNESS OF THE MEASURED DATA BY DIRECT THERMAL ANALYSIS METHOD

STROUHALOVA, Michaela, Karel GRYC, Karel MICHALEK a Simona ZLA

Základní údaje

Originální název

USE OF THE METHOD OF DESIGN OF EXPERIMENT FOR QUANTIFICATION OF THE INFLUENCE OF EXPERIMENTAL CONDITIONS ON THE CORRECTNESS OF THE MEASURED DATA BY DIRECT THERMAL ANALYSIS METHOD

Název česky

POUŽITÍ METODY NÁVRHU EXPERIMENTU PRO KVANTIFIKACI VLIVU EXPERIMENTÁLNÍCH PODMÍNEK NA SPRÁVNOST MĚŘENÝCH ÚDAJŮ PŘÍMOU METODOU TEPELNÉ ANALÝZY

Autoři

STROUHALOVA, Michaela (203 Česká republika, garant), Karel GRYC (203 Česká republika, domácí), Karel MICHALEK (203 Česká republika) a Simona ZLA (203 Česká republika)

Vydání

Česká republika, 27TH INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS (METAL 2018), od s. 221-228, 8 s. 2018

Nakladatel

TANGER LTD, KELTICKOVA 62, SLEZSKA, OSTRAVA 710 00, CZECH REPUBLIC

Další údaje

Jazyk

angličtina

Typ výsledku

Stať ve sborníku

Obor

20501 Materials engineering

Stát vydavatele

Česká republika

Utajení

není předmětem státního či obchodního tajemství

Forma vydání

tištěná verze "print"

Kód RIV

RIV/75081431:_____/18:00001666

Organizační jednotka

Vysoká škola technická a ekonomická v Českých Budějovicích

ISBN

978-80-87294-84-0

UT WoS

000461832200031

Klíčová slova česky

Ocel; nikl; přímá tepelná analýza; návrh experimentu; experimentální podmínky

Klíčová slova anglicky

Steel; nickel; direct thermal analysis; design of experiment; experimental conditions

Štítky

Návaznosti

LO1203, projekt VaV.
Změněno: 8. 1. 2020 14:40, Ing. Anna Palokha

Anotace

V originále

Metallurgical processes of steel production are strongly connected with knowledge of the thermo-physical and thermodynamic properties of liquid metal during individual technological steps. Critical factors describing behaviour of steel in the process of its solidification and then important to a correct setting of conditions of steel casting and solidification of steel, which significantly affect the final quality of the as-cast steel, are liquidus (T-L) and solidus (T-S)temperatures.Experimental determination of these temperatures (or generally additional phase transformation temperatures) can lead to the refinement of all these phase transformation temperatures as well as to a more precise determination of the interval of steels' solidification. Utilization of this approach, e.g. in the process of optimizing the technology of ingot or continuous casting, could lead to achieve more accurate results moreover in direct connection with numerical simulations, and thus a better knowledge of the impact of optimized technological parameters on the resulting quality of cast steel.The paper is devoted to the application of method of Design of Experiment (DOE) to analyse and clear quantification of the impact of experimental conditions on the experimental results (measured data) of direct thermal analysis method (DirTA). First of all, it is a way to find a new approach to quantify and verify a statistical significance of experimental effects (influence of experimental conditions) on obtained phase transformation temperatures. The developed method allows filtering relevant data from individual thermo-analytical experiments for final calculation of high temperature phase temperatures more precisely than it was possible ever before. This is crucial for proper liquidus and solidus and liquidus temperatures' recommendation to real conditions.