Detail publikace

Influence of Silumine Casting Microstrukture on Component Failure Resistance

TVARŮŽEK, M. MACHKOVÁ, M. JANOVÁ, D.

Originální název

Influence of Silumine Casting Microstrukture on Component Failure Resistance

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

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.

Klíčová slova

silumine, casting, impacte resistance, fatigue, porosity, intermetallic phases

Autoři

TVARŮŽEK, M.; MACHKOVÁ, M.; JANOVÁ, D.

Rok RIV

2009

Vydáno

1. 12. 2009

Místo

Česká Republika

ISSN

1211-877X

Periodikum

Letecký zpravodaj

Ročník

2009

Číslo

2

Stát

Česká republika

Strany od

30

Strany do

35

Strany počet

6

BibTex

@article{BUT48556,
  author="Martin {Tvarůžek} and Miroslava {Machková} and Drahomíra {Janová}",
  title="Influence of Silumine Casting Microstrukture on Component Failure Resistance",
  journal="Letecký zpravodaj",
  year="2009",
  volume="2009",
  number="2",
  pages="30--35",
  issn="1211-877X"
}