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Statements

Subject Item
n2:RIV%2F49777513%3A23210%2F12%3A43917631%21RIV13-MSM-23210___
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Semi-solid metal working (SSM) joins advantages of precision casting and hot foging. The technology allows obtaining a product with a complicated shape in one forming step. Homogenous microstructure is an advantage to the comparison with die casting. The SSM method could be also used for difficult machinable and formable materials. The aim of this research was to invert the conventional microstructure configuration and to obtain hard particles in tough matrix. Tool steel with trade mark CPM 15V was chosen for the xperiment. The steel is produced through using powder metallurgy and contains high content of carbon, vanadium and chronium. The content of alloying elements is more than 20 weight per cent. The initial microstructure of the steel is composed of ferrite matrix with chronium and vanadium carbides. The experimental material was heated up to the semi-solid state when liquid phase was approximately 30% and deformed. Metallographic analysis, chemical microanalyses and X-Ray phase diffraction analysis confirmed inverting of the microstructure which consists of austenitic matrix, vanadium cabides, eutectic a eutectoid. The final microstructure predicts good wear resistance and ductility. Semi-solid metal working (SSM) joins advantages of precision casting and hot foging. The technology allows obtaining a product with a complicated shape in one forming step. Homogenous microstructure is an advantage to the comparison with die casting. The SSM method could be also used for difficult machinable and formable materials. The aim of this research was to invert the conventional microstructure configuration and to obtain hard particles in tough matrix. Tool steel with trade mark CPM 15V was chosen for the xperiment. The steel is produced through using powder metallurgy and contains high content of carbon, vanadium and chronium. The content of alloying elements is more than 20 weight per cent. The initial microstructure of the steel is composed of ferrite matrix with chronium and vanadium carbides. The experimental material was heated up to the semi-solid state when liquid phase was approximately 30% and deformed. Metallographic analysis, chemical microanalyses and X-Ray phase diffraction analysis confirmed inverting of the microstructure which consists of austenitic matrix, vanadium cabides, eutectic a eutectoid. The final microstructure predicts good wear resistance and ductility.
dcterms:title
Development of Microstructure from Powder Tool Steel Obtained Through Semi-solid metal working Development of Microstructure from Powder Tool Steel Obtained Through Semi-solid metal working
skos:prefLabel
Development of Microstructure from Powder Tool Steel Obtained Through Semi-solid metal working Development of Microstructure from Powder Tool Steel Obtained Through Semi-solid metal working
skos:notation
RIV/49777513:23210/12:43917631!RIV13-MSM-23210___
n7:predkladatel
n9:orjk%3A23210
n3:aktivita
n19:S n19:P
n3:aktivity
P(GAP107/12/2600), S
n3:cisloPeriodika
4
n3:dodaniDat
n17:2013
n3:domaciTvurceVysledku
n5:6522394 n5:2610078 n5:9691367 n5:6179444
n3:druhVysledku
n4:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
130812
n3:idVysledku
RIV/49777513:23210/12:43917631
n3:jazykVysledku
n8:eng
n3:klicovaSlova
CPM15V; vanadium tool steel; mini-thixoforming; powder metallurgy; Semi-solid
n3:klicoveSlovo
n6:Semi-solid n6:CPM15V n6:vanadium%20tool%20steel n6:mini-thixoforming n6:powder%20metallurgy
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[1CFA05A5E0D2]
n3:nazevZdroje
Scientific reports : journal of the University of Applied Sciences Mittweida
n3:obor
n14:JG
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n12:GAP107%2F12%2F2600
n3:rokUplatneniVysledku
n17:2012
n3:svazekPeriodika
Neuveden
n3:tvurceVysledku
Kusý, Martin Mašek, Bohuslav Aišman, David Jirková, Hana
s:issn
1437-7624
s:numberOfPages
3
n18:organizacniJednotka
23210