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Abstract
The textures in beryllium rods and tubes extruded from consolidated powder have been studied by X-ray diffraction techniques.
The temperature of extrusion has little effect on the texture, but the extrusion reduction determines which of two main types of texture is developed in tubes. In low-reduction textures (⩽ 6 : 1), the basal planes tend to concentrate parallel to the surface of the tube; in high-reduction textures (⩾ 12 : 1), the basal planes still lie parallel to the extrusion direction, but tend to concentrate at angles ranging from 45–90° to the surface. A prism-plane fibre texture is present in all tubes.
The deformation mechanisms possibly responsible for these textures are discussed.
Notes
* Manuscript received 13 January, 1960.