Journal
MATERIALS TRANSACTIONS
Volume 45, Issue 7, Pages 2316-2325Publisher
JAPAN INST METALS & MATERIALS
DOI: 10.2320/matertrans.45.2316
Keywords
stored energy; Taylor factor; continuous cyclic bending; misorientation; electron back scatter diffraction pattern (EBSP) technique; Schmid factor; aluminium-magnesium-manganese alloy
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The relation between the stored energy and the Taylor factor (TF) has been investigated using the SEM/EBSP analysis in an Al-Mg-Mn alloy sheet worked by the continuous cyclic bending (CCB). The analysis reveals that the stored energy is high for the high TF region, whereas a significant increase of the stored energy with the decrease of the Taylor factor appears in the vicinity of the minimum TF value of 2. This observation is discussed using the Schmid factor calculated. Further, the local strain accommodation during deformation is analyzed for grains of different orientations. The stored energy is derived from the calculation based on the kernel average misorientation (KAM).
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