Influence of Cold Pressing-rolling Process on the Structure and Properties of Ta Slabs AITranslate
Abstract AITranslate
Study is made of the influence of the process of cold pressing and roughing followed by rolling ,of deformation degree and annealing on the structure and properties of Ta slabs.Results show that during cold pressing, the force is only applied at one direction. The metal flows in the longitudinal direction of the columnar grain in the cast ingot, so that the columnar grain is elongated along the deformation direction,without distince grain refinement. The lower the recrystallization temperature, the smaller is the grain size. And the larger the rolling deformation degree,the larger the tensile strength and the lower the elongation is. After recrystallization and annealing, the hardness is nearly all the same, but there is distinct anisotropy. At 45° direction, there is low strength but the elongation is obviously increased. The anisotropy results in serious earing and heavy metal loss during deel drawing of Ta slab.
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Basic Information:
DOI：
Chinese Library Classification Number:TG146.416[金属学及工艺—金属材料];TG339[金属学及工艺—金属压力加工]
Citation Information:
Study is made of the influence of the process of cold pressing and roughing followed by rolling ,of deformation degree and annealing on the structure and properties of Ta slabs.Results show that during cold pressing, the force is only applied at one direction. The metal flows in the longitudinal direction of the columnar grain in the cast ingot, so that the columnar grain is elongated along the deformation direction,without distince grain refinement. The lower the recrystallization temperature, the smaller is the grain size. And the larger the rolling deformation degree,the larger the tensile strength and the lower the elongation is. After recrystallization and annealing, the hardness is nearly all the same, but there is distinct anisotropy. At 45° direction, there is low strength but the elongation is obviously increased. The anisotropy results in serious earing and heavy metal loss during deel drawing of Ta slab.
quote
| GB/T 7714-2015 | [1] WEI Zhong-mei, YANG Ming-jie, LI Mai-hai. Influence of Cold Pressing-rolling Process on the Structure and Properties of Ta Slabs[J]. Rare Metals and Cemented Carbides, 2000(3): 14-17. |
| MLA | [1] WEI Zhong-mei, et al., "Influence of Cold Pressing-rolling Process on the Structure and Properties of Ta Slabs." Rare Metals and Cemented Carbides, no. 3, 2000, pp. 14-17. |
| APA | [1] WEI Zhong-mei, YANG Ming-jie, & LI Mai-hai. (2000). Influence of Cold Pressing-rolling Process on the Structure and Properties of Ta Slabs. Rare Metals and Cemented Carbides(3), 14-17. |
| IEEE | [1] WEI Zhong-mei, YANG Ming-jie, and LI Mai-hai, "Influence of Cold Pressing-rolling Process on the Structure and Properties of Ta Slabs," Rare Metals and Cemented Carbides, no. 3, pp. 14-17, 2000. keywords: {cold pressing rolling process;deformation degree;Ta slab;properties;structure} |