Header menu link for other important links
X
Effect of electroslag refining on microstructure and mechanical properties of IS:7670 alloy
Published in
1992
Volume: 21
   
Issue: 6
Pages: 266 - 278
Abstract
The electroslag refining technique is one of the modern tools which is capable of imparting superior mechanical and chemical properties to metals and alloys. Refining usually results in the elimination of a number of casting or solidification defects, such as shrinkage porosity, gas porosity, pipe, micro- and macro segregation. Remelting also imparts a directional grain structure apart from refining the size of the inclusions, grains and precipitates. This technique has over the years been used widely and successfully to improve the mechanical and chemical properties of steels and alloy steels which are used in the nuclear, missile, aerospace and marine industries for certain critical applications. But the application of ESR to aluminum and its alloys is only recent. This paper investigates the response of an aluminum alloy (corresponding to the Indian Specification IS:7670) to ESR. Based on theoretical considerations and microstructural evidence it elucidates how ESR of aluminum alloys differs from that of ferrous alloys. The improvement achieved in mechanical properties of the alloy is correlated with the microstructure.
About the journal
JournalScandinavian Journal of Metallurgy
ISSN03710459
Open AccessNo
Concepts (17)
  •  related image
    ALUMINUM REFINING
  •  related image
    Cooling
  •  related image
    Correlation methods
  •  related image
    Electroslag remelting
  •  related image
    Inclusions
  •  related image
    INTERMETALLICS
  •  related image
    Mathematical models
  •  related image
    Mechanical properties
  •  related image
    Metallographic microstructure
  •  related image
    Particles (particulate matter)
  •  related image
    Precipitation (chemical)
  •  related image
    Thermal gradients
  •  related image
    Cooling rate
  •  related image
    Melting point
  •  related image
    PEAKAGING
  •  related image
    S′ PHASE
  •  related image
    Aluminum alloys