MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Mechanical Properties of Mg-Y-Zn Alloy Processed by Equal-Channel-Angular Extrusion
Hiroyuki WatanabeToshiji MukaiShigeharu KamadoYo KojimaKenji Higashi
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2003 Volume 44 Issue 4 Pages 463-467

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Abstract

Fine-grained WZ73 magnesium alloy with the grain size of 1.6 μm was produced by Equal-Channel-Angular Extrusion. The material exhibited tensile yield strength of 293 MPa, tensile strength of 350 MPa and relatively large elongation of 18% at room temperature. The yield strength was almost unchanged up to 473 K. In addition, large superplastic elongation of over 300% was obtained at a temperature of 673 K.

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© 2003 The Japan Institute of Metals and Materials
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