Implementation of method of Design of experiment into process of recommendation of liquidus and solidus temperatures of ingot cast steel grades

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Implementation of method of Design of experiment into process of recommendation of liquidus and solidus temperatures of ingot cast steel grades

Popis výsledku v původním jazyce

The vast majority of metals and alloys used in technical practice are produced from a liquid state - a liquid metal. A most important phase transformation at steelmaking process is crystallization of steel (phase transformation of liquid steel from liquid to solid state) and process of own solidification of steel. This paper deals with study of phase transformations in steel during its solidification process. Specifically, it is focused on possibility of experimental refinement of liquidus (TL) and solidus (TS) temperatures of real industrially produced steel grades cast into mould by the direct thermal analysis method. Experimental study of steel solidification process is one of the ways to eliminate their possible impacts on quality of cast steel during solidification and to achieve required properties of steel without any additional treatment. Dozens of ingot steel grades by direct thermal analysis method on Netzsch STA 449 F3 Jupiter experimental system were analysed. A series of methodological experiments on pure nickel standard metal in order to generate a methodology of direct thermal analysis methods to study real steel grades and identification of the influence of selected experimental conditions were performed. Practical implementation of the Design of Experiment method (DOE) to system of evaluation of correctness of measured data was also realized. Comparison of the results of the parallel methods used for TL and TS identification was also performed. A result of the whole process of refinement of TL and TS temperatures represent a final recommendation of one proper TL and TS temperature of each studied steel grade.

Název v anglickém jazyce

Implementation of method of Design of experiment into process of recommendation of liquidus and solidus temperatures of ingot cast steel grades

Popis výsledku anglicky

The vast majority of metals and alloys used in technical practice are produced from a liquid state - a liquid metal. A most important phase transformation at steelmaking process is crystallization of steel (phase transformation of liquid steel from liquid to solid state) and process of own solidification of steel. This paper deals with study of phase transformations in steel during its solidification process. Specifically, it is focused on possibility of experimental refinement of liquidus (TL) and solidus (TS) temperatures of real industrially produced steel grades cast into mould by the direct thermal analysis method. Experimental study of steel solidification process is one of the ways to eliminate their possible impacts on quality of cast steel during solidification and to achieve required properties of steel without any additional treatment. Dozens of ingot steel grades by direct thermal analysis method on Netzsch STA 449 F3 Jupiter experimental system were analysed. A series of methodological experiments on pure nickel standard metal in order to generate a methodology of direct thermal analysis methods to study real steel grades and identification of the influence of selected experimental conditions were performed. Practical implementation of the Design of Experiment method (DOE) to system of evaluation of correctness of measured data was also realized. Comparison of the results of the parallel methods used for TL and TS identification was also performed. A result of the whole process of refinement of TL and TS temperatures represent a final recommendation of one proper TL and TS temperature of each studied steel grade.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20500 - Materials engineering

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL 2019 : conference proceedings : peer reviewed : 28th International Conference on Metallurgy and Materials : May 22nd-24th 2019, Hotel Voronez I, Brno, Czech Republic, EU

ISBN

978-80-87294-92-5

ISSN

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e-ISSN

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Počet stran výsledku

7

Strana od-do

204-210

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

22. 5. 2019

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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