Publication detail

Effect of heat-treatment on the microstructure, microhardness and corrosion of cast Mg-3Sn-2Ca alloy

BURŠÍK, J. ZÁBRANSKÝ, K. JIRÁSKOVÁ, Y. ABU LEIL, T. BLAWERT, C. HUANG, Y. KAINER, K. DIETZL, W. HORT, N. RAO, K.

Original Title

Effect of heat-treatment on the microstructure, microhardness and corrosion of cast Mg-3Sn-2Ca alloy

Type

conference paper

Language

English

Original Abstract

Magnesium alloys are among the very good lightweight structural materials with relatively high-strength-to-weight ratio and excellent technological properties. Therefore they attract special attention of electronic, automotive and aircraft industries. On the other hand a drawback of magnesium as a structural material is its high chemical activity leading often to a low corrosion resistance. Since many different mechanically loaded components are subjected to prolonged cyclic stresses in an active environment, it is of significant and practical interest to look for new Mg-based alloys. They should be up to standard of the economical production process and easy workability. Of importance is also surface stability and eventual possibility of modification in terms of the topography and chemistry. One possible solution is to add Ca to Mg-Sn alloys. Sn as an alloying element is cheap, has a low melting point, and is known to improve castability [1, 2]. It forms with magnesium an intermetallic Mg2Sn phase precipitating in Mg-matrix and contributing to strengthening of this alloy [3]. The first published results show a positive effect of Ca in the technological processing of molten magnesium [4], the oxidation and corrosion properties [5-7] and the creep resistance [8]. In this paper the structural and physical properties of the as-cast Mg-3 wt.%Sn-2 wt.%Ca (Mg-3Sn-2Ca) alloy (I) are compared with those obtained for the alloy after solution heating followed by furnace cooling (II), solution heating with following quenching into water (III), and solution heating followed by aging (IV).

Keywords

Mg-3Sn-2Ca, corrosion properties, microhardness, microstructure

Authors

BURŠÍK, J.; ZÁBRANSKÝ, K.; JIRÁSKOVÁ, Y.; ABU LEIL, T.; BLAWERT, C.; HUANG, Y.; KAINER, K.; DIETZL, W.; HORT, N.; RAO, K.

RIV year

2006

Released

4. 11. 2006

Publisher

Prof. Dr. K. U. Kainer

Location

Dresden

ISBN

978-3-527-31764-6

Book

Magnesium

Edition

1

Edition number

1

Pages from

49

Pages to

54

Pages count

6

BibTex

@inproceedings{BUT22155,
  author="Jiří {Buršík} and Karel {Zábranský} and Yvonna {Jirásková} and Tarek {Abu Leil} and Carsten {Blawert} and Yu {Huang} and K.U. {Kainer} and Wolfgang {Dietzl} and Norbert {Hort} and K.P. {Rao}",
  title="Effect of heat-treatment on the microstructure, microhardness and corrosion of cast Mg-3Sn-2Ca alloy",
  booktitle="Magnesium",
  year="2006",
  series="1",
  number="1",
  pages="49--54",
  publisher="Prof. Dr. K. U. Kainer",
  address="Dresden",
  isbn="978-3-527-31764-6"
}