Details

Title

Mould Components Impact on Structure and Quality of Elektron 21 Alloy

Journal title

Archives of Foundry Engineering

Yearbook

2013

Numer

No 2

Publication authors

Keywords

Metallography ; Elektron 21 alloy ; Quantitative metallography ; Casting defects ; Mould technology

Divisions of PAS

Nauki Techniczne

Description

Archives of Foundry Engineering continues the publishing activity started by Foundry Commission of the Polish Academy of Sciences (PAN) in Katowice in 1978. The initiator of it was the first Chairman Professor Dr Eng. Wacław Sakwa – Corresponding Member of PAN, Honorary Doctor of Czestochowa University of Technology and Silesian University of Technology. This periodical first name was „Solidification of Metals and Alloys” , and made possible to publish the results of works achieved in the field of the Basic Problems Research Cooperation. The subject of publications was related to the title of the periodical and concerned widely understand problems of metals and alloys crystallization in a casting mold. In 1978-2000 the 44 issues have been published. Since 2001 the Foundry Commission has had patronage of the annually published “Archives of Foundry” and since 2007 quarterly published “Archives of Foundry Engineering”. Thematic scope includes scientific issues of foundry industry:

  • Theoretical Aspects of Casting Processes,
  • Innovative Foundry Technologies and Materials,
  • Foundry Processes Computer Aiding,
  • Mechanization, Automation and Robotics in Foundry,
  • Transport Systems in Foundry,
  • Castings Quality Management,
  • Environmental Protection.

Abstract

Magnesium alloys due to their low density and high strength-to-weight ratio are promising material for the automotive and aerospace industries. Many elements made from magnesium alloys are produced by means of sand casting. It is essential to investigate impact of the applied mould components on the microstructure and the quality of the castings. For the research, six identical, 100x50x20mm plates has been sand cast from the Elektron 21 magnesium casting alloy. Each casting was fed and cooled in a different way: one, surrounded by mould sand, two with cast iron chills 20mm and 40mm thick applied, another two with the same chills as well as feeders applied and one with only the feeder applied. Solid solution grain size and eutectics volume fraction were evaluated quantitatively in Met-Ilo program, casting defects were observed on the scanning electron microscope Hitachi S3400N. The finest solid solution grain was observed in the castings with only the chills applied. Non metallic inclusions were observed in each plate. The smallest shrinkage porosity was observed in the castings with the feeders applied.

Publisher

The Katowice Branch of the Polish Academy of Sciences

Date

2013

Type

Artykuły / Articles

Identifier

ISSN 2299-2944

References

Liang (2011), Effect of inclusion on service properties of GW magnesium alloy Nonferrous Met of China, Trans Soc, 14, 717, doi.org/10.1016/S1003-6326(11)60771-1 ; Wang (2010), Effect of purification treatment on properties of Mg Zr alloy Nonferrous Met of China, Trans Soc, 13, 1235, doi.org/10.1016/S1003-6326(09)60284-3 ; Kiełbus (2011), The intermetallic phases in sand casting magnesium alloys for elevated temperature Science, Materials Forum, 690, doi.org/10.4028/Www.Scientific.Net/MSF.690.214 ; Rzychoń (2010), Quantitative procedure for evaluation of microstructure of cast Mg - Al Ca - Sr magnesium alloy of Foundry Engineering, Archives, 17, 139. ; Lichý (2012), Microstructure and thermomechanical properties of magnesium alloys castings of Foundry Engineering, Archives, 12, 49, doi.org/10.2478/afe-2013-0002 ; Rzychoń (2012), Microstructure castability microstructural stability and mechanical properties of ZRE magnesium alloy of Metallurgyand Materials, Archives, 1, 245, doi.org/10.2478/V10172-012-0018-3 ; Mola (2013), Fabrication and microstructure of layers containing intermetallic phases on magnesium ofFoundry Engineering, Archives, 13, 99, doi.org/10.2478/afe-2013-0019 ; Adamiec (2010), Influence of heat treatment on susceptibility to hot cracking of magnesium aloy ENMCMgRE Zr of Metallurgy and Materials, Archives, 3, 69. ; Pachla (2012), Wrought magnesium alloys ZM and WE processed by hydrostatic extrusion with back pressure of Metallurgy and Materials, Archives, 21, 485, doi.org/10.2478/V10172-012-0050-3

DOI

10.2478/afe-2013-0029

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