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Distribution of Microelements and Their Influence on the Corrosion Behavior of Aluminum Foil

Weimin MAO , Heng JIANG , Ping YANG , Huiping FENG , Yongning YU

材料科学技术（英文）

The distribution of microelement Fe, Si, Cu and Mg in the surface layer of aluminum foil annealed at 300℃ and 500℃ were determined by secondary ion mass spectrometer. The corrosion structure produced by electrochemical etching was also observed. It was found that the Mg concentration at external sur...

关键词: Electrolytic capacitor , null , null , null

Texture Evaluation of α_2 Phase in Ti-25Al-10Nb-3V-1Mo Alloy Sheet

Weimin MAO , Yongning YU , Hong YANG and Bo SONG (Dept. of Materials Science and Engineering , University of Science and Technology Beijing , Beijing 100083 , China)

材料科学技术（英文）

The texture evaluation of α2 phase in Ti-25Al-10Nb-3V-1Mo sheet during rolling and annealing has been investigated by means of microstructure observation and ODF analysis. From the weak initial {1010} (1210) and {0001}(1210) textures a {1210}(1010) texture and a {0001}(uvtw)fibre texture are formed ...

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Measurement and Simulation of Grain Size in Strong Textured and Coarse-Grained Metal Sheets

Leng CHEN , Weimin MAO , Yongning YU , Huiping FENG

材料科学技术（英文）

An X-ray diffractometer that equipped with a two-dimensional detector is used for developing the technique of grain size measurement for strong textured and coarse-grained Si steel sheet. The method is based on the concept that the position of diffraction spots depends on the orientation of individu...

关键词: Grain size , null , null

Nucleation of cold rolled FeCo alloy during annealing and its influence on the formation of recrystallization texture

Guohui ZHU , Weimin MAO , Yongning YU

材料科学技术（英文）

The orientation distribution of recrystallization grains formed during annealing, as well as their misorientation relationship to the deformation matrix in cold rolled FeCo alloy have been investigated. It was found that most of the recrystallization nuclei were located near the boundary area with r...

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