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Texture and Structural Defect Evolution of Pure Nickel Subjected toHigh-Current Pulse Electron Beam Irradiation
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Yan LI1, Qian-Qian GU1, Dong-Hua QIU1, Dong-Jin PENG1, Qing-Feng GUAN1, 2
Chinese Journal of High Pressure Physics | 2010, 24(6) : 461 - 466
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Chinese Journal of High Pressure Physics | 2010, 24(6): 461-466
Texture and Structural Defect Evolution of Pure Nickel Subjected toHigh-Current Pulse Electron Beam Irradiation
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Yan LI1, Qian-Qian GU1, Dong-Hua QIU1, Dong-Jin PENG1, Qing-Feng GUAN1, 2
Affiliations
  • 1.School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China
  • 2.State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, China
Published: 2010-12-15
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The specimens of polycrystalline nickel were irradiated with high-current pulsed electron beam (HCPEB). Surface textures and structural defects of irradiated nickel were investigated by using X-ray diffraction (XRD) and transmission electron microscopy (TEM). The XRD results show that the characteristics of preferential orientation {111} and {200} are presented after HCPEB treatments. While the treating pulses were chosen as 1 and 5 times, the surface microstructure changes after irradiation was analyzed by TEM. Within the surface layer the (111) [112] type of wave shear bands are formed in the interior of grains. Large numbers of (200)[110] types of micro-bands parallel each other embed in the wave bands. After 10 pulses, the deformation structure changed prominently. Besides the wave bands, the number of deformation twins increase evidently. The formation of these deformation structures has a significant effect both on the evolution of surface textures and grains refinement. It is suggested that HCPEB technique is becoming an effective approach to fabricate surface nanocrystalline materials.

high-current pulsed electron beam  /  pure nickel  /  texture  /  dislocation wall  /  structural defect
李艳, 顾倩倩, 邱冬华, 彭冬晋, 关庆丰. 强流脉冲电子束作用下纯镍表层中织构及结构缺陷的演化行为. 高压物理学报, 2010 , 24 (6) : 461 -466 .
Yan LI, Qian-Qian GU, Dong-Hua QIU, Dong-Jin PENG, Qing-Feng GUAN. Texture and Structural Defect Evolution of Pure Nickel Subjected toHigh-Current Pulse Electron Beam Irradiation[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (6) : 461 -466 .
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Year 2010 volume 24 Issue 6
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  • Receive Date：2009-11-02
  • Online Date：2026-11-02
  • Published：2010-12-15
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  • Received：2009-11-02
  • Revised：2010-06-22
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Affiliations
    1.School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China
    2.State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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