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Statements

Subject Item
n2:RIV%2F29142890%3A_____%2F13%3A%230000056%21RIV14-MSM-29142890
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Super 304H is an austenitic steel which is mainly used for boilers in thermal power plants and the energy sector. Strength at high temperatures has become one of the most important attributes in the design of boiler tubes. The differences in material properties, especially in its creep resistance compared to other austenitic steels of similar composition, are mainly achieved by the addition of about 3 wt.-% of copper. The formation of fine Cu-rich precipitates during manufacture leads to an increased creep strength during the process of precipitation hardening. The impact of the welding cycle on the grain coarseness in the heat affected zone (HAZ) for S304H steel will be demonstrated in this paper. The options and procedures for predicting grain size by mathematical modelling of welding and heat treatment will also be shown here. The method of acquiring the input data for the mathematical models which predict the grain size will also be described. Super 304H is an austenitic steel which is mainly used for boilers in thermal power plants and the energy sector. Strength at high temperatures has become one of the most important attributes in the design of boiler tubes. The differences in material properties, especially in its creep resistance compared to other austenitic steels of similar composition, are mainly achieved by the addition of about 3 wt.-% of copper. The formation of fine Cu-rich precipitates during manufacture leads to an increased creep strength during the process of precipitation hardening. The impact of the welding cycle on the grain coarseness in the heat affected zone (HAZ) for S304H steel will be demonstrated in this paper. The options and procedures for predicting grain size by mathematical modelling of welding and heat treatment will also be shown here. The method of acquiring the input data for the mathematical models which predict the grain size will also be described.
dcterms:title
The Prediction of Grain Size of the Heat Affected Zone of Welded S304H Steel Tubes Using a Mathematical Model The Prediction of Grain Size of the Heat Affected Zone of Welded S304H Steel Tubes Using a Mathematical Model
skos:prefLabel
The Prediction of Grain Size of the Heat Affected Zone of Welded S304H Steel Tubes Using a Mathematical Model The Prediction of Grain Size of the Heat Affected Zone of Welded S304H Steel Tubes Using a Mathematical Model
skos:notation
RIV/29142890:_____/13:#0000056!RIV14-MSM-29142890
n9:predkladatel
n12:ico%3A29142890
n3:aktivita
n15:N
n3:aktivity
N
n3:cisloPeriodika
1
n3:dodaniDat
n8:2014
n3:domaciTvurceVysledku
n4:2635119
n3:druhVysledku
n14:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
98589
n3:idVysledku
RIV/29142890:_____/13:#0000056
n3:jazykVysledku
n11:eng
n3:klicovaSlova
Grain Size; Heat Affected Zone; S304H Steel
n3:klicoveSlovo
n7:Grain%20Size n7:Heat%20Affected%20Zone n7:S304H%20Steel
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[A0D3D99729DA]
n3:nazevZdroje
ACC Journal
n3:obor
n6:JR
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n8:2013
n3:svazekPeriodika
XIX
n3:tvurceVysledku
Nováková, I. Moravec, J. Neumann, H. Bradáč, Josef
s:issn
1803-9782
s:numberOfPages
10