Abstract
Texture evolution in extruded and hot-rolled Al-Mg-Li aeronautical alloys during in-situ tension was investigated by using electron backscattered diffraction (EBSD). A field emission scanning electron microscope (FE-SEM) and a MICROTEST-5000 tensile stage were used to carry out in-situ tension tests and observations. The crystallographic texture of the extruded sample changed from weak cube texture {001}〈100〉 to texture {018}〈081〉 during tension fracture. However, strong Brass {110}〈112〉 in the hot-rolled sample was modified into a mixture texture component of Brass {110}〈112〉 and S {123}〈634〉 during tension fracture. Texture evolution in the two samples during tension can be explained by the rotation of grain orientation.
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This work was financially supported by the Innovation Fund of China Aerospace Science and Technology Corporation (2011), the Research Fund of the State Key Laboratory of Solidification Processing (No.42-QP-009), and the 111 Project of China (No.B08040).
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Chen, Zw., Zhao, J. & Li, Ss. Texture evolution of Al-Mg-Li aeronautical alloys in in-situ tension. Int J Miner Metall Mater 19, 1100–1106 (2012). https://doi.org/10.1007/s12613-012-0677-0
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DOI: https://doi.org/10.1007/s12613-012-0677-0