Orientation Dependence of Bending Deformation Behavior in Magnesium Single Crystals

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Abstract

<p>Magnesium single crystals with different orientations were subjected to three-point bending tests, and bending deformation behavior was investigated. With the basal plane parallel to the neutral plane, the specimens deformed due to basal slips and showed gull-shape after deformation. Conversely, with the neutral plane and the axis parallel to (1120) and [1100], the specimen deformed due to {1012} twinning. However, the specimens fractured after a few percent of deformation, subsequently displaying V-shape. The specimens, whose neutral plane and axis were (1120) and [0001], also deformed due to basal slips. The relationship between bending yield stress of the specimens and the critical resolved shear stress of the basal slip, or {1012} twin, is discussed.</p>

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 57 (8), 1246-1251, 2016

    The Japan Institute of Metals and Materials

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