In-situ high-resolution strain measurement method using HOLZ line in EBSD pattern

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In-situ observation of local deformation behavior in polycrystalline materials at the length scale equivalent to their crystal size is getting more and more important to improve mechanical properties of structural metallic materials further. However, recent technology concerning stress measurement is far less advanced as compared to those for strain measurement, which prevents us from obtaining thorough understandings of material behaviors. In this study, we tried to develop a stress measurement technique which has spacial and temporal resolution equivalent to those provided by strain measurement techniques by using HOLZ ring in EBSP obtained by SEM.