In Situ Synchrotron X-ray Study of the Mechanical Properties of Pure Mg Produced by Powder Metallurgy

• Main Authors: Li Li, Leyun Wang, Jie Wang, Huan Zhang, Qingchun Zhu, Zhiqiang Li, Xiaoqin Zeng
• Format: Article
• Language: English
• Published: MDPI AG 2020-09-01
• Series: Metals
• Subjects: powder metallurgical technology; pure Mg; in situ X-ray diffraction; tensile deformation; line profile analysis (LPA); ductility
• Online Access: https://www.mdpi.com/2075-4701/10/9/1198
• ISSN: 2075-4701

In this study, in situ synchrotron X-ray experiments with wide-angle X-ray scattering (WAXS) and small-angle X-ray scattering (SAXS) detectors were performed on two pure magnesium materials produced by powder metallurgy. According to SAXS analysis, each of the two materials has a porosity of less than 0.5%. Line broadening analysis was performed on diffraction patterns collected by WAXS to analyze the dislocation evolution during material deformation. In both materials, <a>-type dislocation activities dominate the tensile deformation. The influence of grain size and texture on the different tensile behaviors of these two materials is also discussed.