Effects of rolling condition on the tensile properties of mg-mm-sn-al-zn alloy

Hyun Kyu Lim, Do Hyung Kim, Ju Youn Lee, Joon Seok Kyeong, Won Tae Kim, Do Hyang Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The microstructures and mechanical properties of Mg-2MM-2Sn-lAl-lZn (ETAZ2211) sheets fabricated under different conditions have been investigated. Two hot-rolling routes following extrusion have been carried out at 300 °C or 400 °C. One method is to roll the extruded strips parallel to the extrusion direction (ED); the other is to roll the extruded strips perpendicular to the extrusion direction (TD). The strength and the elongationto-fracture of specimens prepared by a combination of extrusion and rolling processes are increased dramatically when compared those of the simply rolled specimens. Especially, the TD alloy sheet rolled at 300 °C exhibits the best combination of strength and ductility, i.e. yield strength of 178.5 MPa, ultimate tensile strength of 239.1 MPa, uniform elongation of 24.4 % and elongation-to-fracture of 37.9 %. Observation of texture reveals that the intensity of (0002) texture is lower for the TD alloy sheets than that for the ED alloy sheets, indicating that the texture intensity is reduced by change of the rolling direction.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalMetals and Materials International
Volume15
Issue number2
DOIs
Publication statusPublished - 2009 Apr 1

Fingerprint

tensile properties
Tensile properties
Extrusion
textures
Textures
elongation
strip
Elongation
yield strength
ductility
Hot rolling
tensile strength
Yield stress
Ductility
Direction compound
routes
mechanical properties
Tensile strength
microstructure
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Lim, Hyun Kyu ; Kim, Do Hyung ; Lee, Ju Youn ; Kyeong, Joon Seok ; Kim, Won Tae ; Kim, Do Hyang. / Effects of rolling condition on the tensile properties of mg-mm-sn-al-zn alloy. In: Metals and Materials International. 2009 ; Vol. 15, No. 2. pp. 337-343.
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Effects of rolling condition on the tensile properties of mg-mm-sn-al-zn alloy. / Lim, Hyun Kyu; Kim, Do Hyung; Lee, Ju Youn; Kyeong, Joon Seok; Kim, Won Tae; Kim, Do Hyang.

In: Metals and Materials International, Vol. 15, No. 2, 01.04.2009, p. 337-343.

Research output: Contribution to journalArticle

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