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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F09%3APU87133%21RIV11-MSM-26210___
rdf:type
skos:Concept n11:Vysledek
dcterms:description
The objective of this work is to define causes of reduced resistance to mechanical damage that had occurred for several types of castings. Macro- and micro-porosity, metallographis structure and presence and distribution of particular phases were investigated. Micro-analysis of phase composition was carried out. Based on the metallographic analysis, it is possible to assume that the structure of mechanically more resistant castings is more coarsely grained with larger alpha-phase aluminium surfaces and features ferrum only in the form of tiny angulate particles always accompanied by managanese. The structure of less resistant castings contains larger stellar-shaped particles of Al15(MnFe)3Si2 intermetallic phase, and more importantly, it has sharp, hard and brittle needles of Al5FeSi intermetalic phase, which dramatically deteriorate mechanical properties due to their notch effect. The objective of this work is to define causes of reduced resistance to mechanical damage that had occurred for several types of castings. Macro- and micro-porosity, metallographis structure and presence and distribution of particular phases were investigated. Micro-analysis of phase composition was carried out. Based on the metallographic analysis, it is possible to assume that the structure of mechanically more resistant castings is more coarsely grained with larger alpha-phase aluminium surfaces and features ferrum only in the form of tiny angulate particles always accompanied by managanese. The structure of less resistant castings contains larger stellar-shaped particles of Al15(MnFe)3Si2 intermetallic phase, and more importantly, it has sharp, hard and brittle needles of Al5FeSi intermetalic phase, which dramatically deteriorate mechanical properties due to their notch effect.
dcterms:title
Influence of Silumine Casting Microstrukture on Component Failure Resistance Influence of Silumine Casting Microstrukture on Component Failure Resistance
skos:prefLabel
Influence of Silumine Casting Microstrukture on Component Failure Resistance Influence of Silumine Casting Microstrukture on Component Failure Resistance
skos:notation
RIV/00216305:26210/09:PU87133!RIV11-MSM-26210___
n3:aktivita
n17:P
n3:aktivity
P(1M0501)
n3:cisloPeriodika
2
n3:dodaniDat
n4:2011
n3:domaciTvurceVysledku
n14:3030814 n14:5626838
n3:druhVysledku
n18:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
319340
n3:idVysledku
RIV/00216305:26210/09:PU87133
n3:jazykVysledku
n6:eng
n3:klicovaSlova
silumine, casting, impacte resistance, fatigue, porosity, intermetallic phases
n3:klicoveSlovo
n8:intermetallic%20phases n8:silumine n8:impacte%20resistance n8:fatigue n8:casting n8:porosity
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[64576DDA571D]
n3:nazevZdroje
Letecký zpravodaj
n3:obor
n7:JU
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n13:1M0501
n3:rokUplatneniVysledku
n4:2009
n3:svazekPeriodika
2009
n3:tvurceVysledku
Machková, Miroslava Tvarůžek, Martin Janová, Drahomíra
s:issn
1211-877X
s:numberOfPages
6
n15:organizacniJednotka
26210