Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys

Ju Yeon Lee, Hyun Kyu Lim, Tea Eung Kim, Jun Hyun Han, Won Tae Kim, Do Hyang Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The effect of fabrication conditions (initial thickness reduction ratio during rolling) on the mechanical properties of Mg-Zn-Y(-Mm) alloys has been investigated in the present study. Greater grain refinement in Mg-Zn-Y(-Mm) alloys due to dynamic recrystallization (DKX) can be achieved under higher initial reduction ratio of 10% than that of 5%, in spite of same total reduction ratio of 90%. The alloys rolled under high initial reduction ratio exhibit better mechanical properties since the grains are refined more effectively. The gap between the critical resolved shear stresses on the basal slip system and on the secondary slip systems becomes smaller with the increase of initial thickness reduction ratio. The wrought Mg-Zn-Y(-Mm) alloys exhibit a better combination of mechanical properties than AZ61 alloy.

Original languageEnglish
Title of host publicationMagnesium Technology
Pages411-414
Number of pages4
Publication statusPublished - 2006 May 5
EventTMS 2006 Annual Meeting - Magnesium Technology - San Antonio, TX, United States
Duration: 2006 Mar 122006 Mar 16

Publication series

NameMagnesium Technology
Volume2006
ISSN (Print)1545-4150

Other

OtherTMS 2006 Annual Meeting - Magnesium Technology
CountryUnited States
CitySan Antonio, TX
Period06/3/1206/3/16

Fingerprint

Mechanical properties
Dynamic recrystallization
Grain refinement
Shear stress
Fabrication

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Lee, J. Y., Lim, H. K., Kim, T. E., Han, J. H., Kim, W. T., & Kim, D. H. (2006). Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys. In Magnesium Technology (pp. 411-414). (Magnesium Technology; Vol. 2006).
Lee, Ju Yeon ; Lim, Hyun Kyu ; Kim, Tea Eung ; Han, Jun Hyun ; Kim, Won Tae ; Kim, Do Hyang. / Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys. Magnesium Technology. 2006. pp. 411-414 (Magnesium Technology).
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Lee, JY, Lim, HK, Kim, TE, Han, JH, Kim, WT & Kim, DH 2006, Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys. in Magnesium Technology. Magnesium Technology, vol. 2006, pp. 411-414, TMS 2006 Annual Meeting - Magnesium Technology, San Antonio, TX, United States, 06/3/12.

Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys. / Lee, Ju Yeon; Lim, Hyun Kyu; Kim, Tea Eung; Han, Jun Hyun; Kim, Won Tae; Kim, Do Hyang.

Magnesium Technology. 2006. p. 411-414 (Magnesium Technology; Vol. 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - The effect of fabrication conditions (initial thickness reduction ratio during rolling) on the mechanical properties of Mg-Zn-Y(-Mm) alloys has been investigated in the present study. Greater grain refinement in Mg-Zn-Y(-Mm) alloys due to dynamic recrystallization (DKX) can be achieved under higher initial reduction ratio of 10% than that of 5%, in spite of same total reduction ratio of 90%. The alloys rolled under high initial reduction ratio exhibit better mechanical properties since the grains are refined more effectively. The gap between the critical resolved shear stresses on the basal slip system and on the secondary slip systems becomes smaller with the increase of initial thickness reduction ratio. The wrought Mg-Zn-Y(-Mm) alloys exhibit a better combination of mechanical properties than AZ61 alloy.

AB - The effect of fabrication conditions (initial thickness reduction ratio during rolling) on the mechanical properties of Mg-Zn-Y(-Mm) alloys has been investigated in the present study. Greater grain refinement in Mg-Zn-Y(-Mm) alloys due to dynamic recrystallization (DKX) can be achieved under higher initial reduction ratio of 10% than that of 5%, in spite of same total reduction ratio of 90%. The alloys rolled under high initial reduction ratio exhibit better mechanical properties since the grains are refined more effectively. The gap between the critical resolved shear stresses on the basal slip system and on the secondary slip systems becomes smaller with the increase of initial thickness reduction ratio. The wrought Mg-Zn-Y(-Mm) alloys exhibit a better combination of mechanical properties than AZ61 alloy.

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Lee JY, Lim HK, Kim TE, Han JH, Kim WT, Kim DH. Mechanical behavior of wrought Mg-Zn-Y(-Mm) alloys. In Magnesium Technology. 2006. p. 411-414. (Magnesium Technology).