Journal
SCRIPTA MATERIALIA
Volume 138, Issue -, Pages 151-155Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2017.05.034
Keywords
Magnesium alloys; Rolling; Guinier; Preston zone; Formability; Strength
Categories
Funding
- Advanced Low Carbon Technology Research and Development Program (ALCA) [12102886]
- JSPS KAKENHI Grant [JP26709055]
- Structural Materials for Innovations of the Cross Ministrial Strategic Innovation Program (SIP) of Japan Science and Technology (JST)
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A newly developed magnesium sheet alloy, Mg-1.1Al-03Ca-0.2Mn-0.3Zn (at.%), shows a large Index Erichsen value of 7.7 mm in a solution treated (T4) condition due to a weak basal texture developed by the trace addition of Zn. Subsequent artificial aging at 200 degrees C for 1 h (T6) significantly increases the 0.2% proof strength from 144 MPa to 204 MPa. This improvement in strength by the T6 treatment is associated with a dense distribution of monoatomic layer Guinier-Preston zones on the basal planes of the Mg matrix. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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