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Reconstruction of deformed parent grains from microstructure inherited by phase transformations

机译:相变常相变常重结构的变形母粒的重建

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The methods used to reconstruct austenite grains from martensite measured by Electron Backscattered Diffraction rely on two assumptions: the orientation relationship and the parent orientation are unique locally. However in presence of an orientation gradient, the second assumption is no longer respected. Therefore in this work, we have first evaluated the deviation to both assumptions which revealed that the presence of an orientation gradient increases the deviation to the second assumption so that it becomes difficult to guaranty a reliable reconstruction. Therefore an adaptation of the method is proposed to better account for the orientation gradient and improve reconstruction results. (C) 2018 Published by Elsevier Ltd on behalf of Acta Materialia Inc.
机译:用于从电子背散射衍射测量的马氏体重建奥氏体谷物的方法依赖于两个假设:取向关系和父定位在本地独特。 然而,在取向梯度的情况下,第二假设不再受到尊重。 因此,在这项工作中,我们首先评估了对两个假设的偏差,所述假设显示取向梯度的存在增加到第二假设的偏差,使得难以保证可靠的重建。 因此,提出了对该方法的改编,以更好地解释定向梯度并改善重建结果。 (c)2018年由elsevier有限公司发布代表Acta Magementia Inc.

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