Details

Title

Optimization of Squeeze Parameters and Modification of AlSi7Mg Alloy

Journal title

Archives of Foundry Engineering

Yearbook

2013

Numer

No 2

Publication authors

Keywords

Mechanical properties ; Al alloys ; Squeeze casting technology ; Modification

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

The paper present the examination results concerning mechanical properties of castings made of AlSi7MG alloy in correlation both with the most significant squeeze casting parameters and with the modification treatment. Experiments were planned and held according to the 2 3 factorial design. The regression equations describing the influence of the squeeze pressure, the mould temperature, and the quantity of strontium modifier on the strength and elongation of the examined alloy were obtained. It was found that the main factor controlling the strength increase is the squeeze pressure, while the plasticity (A5 ) of the alloy is affected most advantageously by modification. The application of modification treatment in squeeze casting technology enables for production of the slab-type castings made of AlSi7Mg alloy exhibiting strength at the level of 230 MPa and elongation exceeding 14%.

Publisher

The Katowice Branch of the Polish Academy of Sciences

Date

2013

Type

Artykuły / Articles

Identifier

ISSN 2299-2944

References

Hajdasz (1993), Barocrystallization of metal alloys of Machine Construction Technologies, Archives, 12, 45. ; Yue (1997), Squeeze casting of high - strength aluminium wrought alloy of MaterialsProcessing Technology, Journal, 7010. ; Yang (2003), The effect of casting temperature on the properties of squeeze cast aluminium and zinc alloys of Materials Processing Technology, Journal, 140. ; Piątkowski (2004), The complex modification of AlSi Mg alloy ofFoundryEngineering, Archives, 7, 381. ; Pezda (2007), Continuous modification of silumin with multicomponent salt on base of NaCl ofFoundry Engineering, Archives, 11, 151. ; Zyska (2011), The influence of modification and squeeze casting on properties of AlSi alloy castings of FoundryEngineering, Archives, 11, 153. ; Lee (2008), Effects of eutectic silicon particles on tensile properties and fracture toughness of aluminum alloys fabricated by low - pressure - casting casting - forging and squeeze - casting processes ofAlloys and Compounds, Journal, 356. ; Lipiński (2006), Ekological modyfication of alloy of Foundry Engineering, Archives, 7, 91. ; Hajdasz (1993), Squeeze casting Foundry, Review, 43. ; Youn (2004), Thermal fluid / solidification analysis of automobile part by horizontal squeeze casting process and experimental evaluation of Materials Processing Technology, Journal, 146.

DOI

10.2478/afe-2013-0048

×