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Statements

Subject Item
n2:RIV%2F25877950%3A_____%2F12%3A%230000055%21RIV14-MPO-25877950
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Purpose of this paper is to determine the temperatures of liquidus/solidus temperatures for multicomponent Fe-C-based alloys (industrially produced steel grades). The obtained results could be used in settings of conditions of steel casting and/or in the numerical simulations of processes occurring during casting and solidification of steel. Design/methodology/approach Two modern apparatus for dynamic thermal analysis were used. Measurements of liquidus/solidus temperatures were realized by two thermal analysis methods. Experiments by the differential scanning calorimetry were done using the new one Setaram Multi High Temperature Calorimeter with 3D sensor (smaller samples about 2.6 g). The direct thermal analysis was used for large samples (23 g) at the STA 449 F3 Jupiter equipment. Findings The differences between calculated and experimentally obtained values of liquidus/solidus temperatures were found. Also temperatures of solidification process are different than for “equilibrium” conditions.Research limitations/implications The obtained results are limited by the fact that range of realized experiments was devoted “only” to the two steel grades and only for “equilibrium” and for one cooling rate. The complexity of the solidification processes of such principally heterogeneous material (steel) needs to take into account much more aspect to quantify some leading dependencies of such processes. Practical implications Presented results will be implemented into steel production practice – lowering of superheating of steel during ingot casting. The obtained temperatures will be implemented also into numerical simulations of ingot solidification. Originality/value Two thermal analysis methods with different sample mass of steel was used under conditions of one research team. The direct cooperation between steel plant experts and university research team was applied. The utilization of results is the next phases of cooperated research of the authors. Purpose of this paper is to determine the temperatures of liquidus/solidus temperatures for multicomponent Fe-C-based alloys (industrially produced steel grades). The obtained results could be used in settings of conditions of steel casting and/or in the numerical simulations of processes occurring during casting and solidification of steel. Design/methodology/approach Two modern apparatus for dynamic thermal analysis were used. Measurements of liquidus/solidus temperatures were realized by two thermal analysis methods. Experiments by the differential scanning calorimetry were done using the new one Setaram Multi High Temperature Calorimeter with 3D sensor (smaller samples about 2.6 g). The direct thermal analysis was used for large samples (23 g) at the STA 449 F3 Jupiter equipment. Findings The differences between calculated and experimentally obtained values of liquidus/solidus temperatures were found. Also temperatures of solidification process are different than for “equilibrium” conditions.Research limitations/implications The obtained results are limited by the fact that range of realized experiments was devoted “only” to the two steel grades and only for “equilibrium” and for one cooling rate. The complexity of the solidification processes of such principally heterogeneous material (steel) needs to take into account much more aspect to quantify some leading dependencies of such processes. Practical implications Presented results will be implemented into steel production practice – lowering of superheating of steel during ingot casting. The obtained temperatures will be implemented also into numerical simulations of ingot solidification. Originality/value Two thermal analysis methods with different sample mass of steel was used under conditions of one research team. The direct cooperation between steel plant experts and university research team was applied. The utilization of results is the next phases of cooperated research of the authors.
dcterms:title
Study of Fe-C-Based alloys by dynamic methods of thermal analysis Study of Fe-C-Based alloys by dynamic methods of thermal analysis
skos:prefLabel
Study of Fe-C-Based alloys by dynamic methods of thermal analysis Study of Fe-C-Based alloys by dynamic methods of thermal analysis
skos:notation
RIV/25877950:_____/12:#0000055!RIV14-MPO-25877950
n7:predkladatel
n8:ico%3A25877950
n3:aktivita
n13:S n13:P
n3:aktivity
P(ED0040/01/01), P(FR-TI3/243), P(GAP107/11/1566), S
n3:cisloPeriodika
2
n3:dodaniDat
n6:2014
n3:domaciTvurceVysledku
n18:2559315
n3:druhVysledku
n14:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
172157
n3:idVysledku
RIV/25877950:_____/12:#0000055
n3:jazykVysledku
n9:eng
n3:klicovaSlova
steel; solidification; thermal analysis; liquidus temperatures; solidus temperatures
n3:klicoveSlovo
n10:solidus%20temperatures n10:steel n10:solidification n10:thermal%20analysis n10:liquidus%20temperatures
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[BADDB7951D9E]
n3:nazevZdroje
Archives of Materials Science and Engineering
n3:obor
n17:JG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
9
n3:projekt
n4:ED0040%2F01%2F01 n4:GAP107%2F11%2F1566 n4:FR-TI3%2F243
n3:rokUplatneniVysledku
n6:2012
n3:svazekPeriodika
55
n3:tvurceVysledku
Michalek, Karel Dobrovská, Jana Socha, Ladislav Tkadlečková, Markéta Klus, Petr Gryc, Karel Smetana, Bedřich Machovčák, Pavel Žaludová, Monika
s:issn
1897-2764
s:numberOfPages
6