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快冷态与铸态Ti-55合金稀土相的研究 被引量:1
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作者 李阁平 王青江 +3 位作者 关少轩 刘羽寅 李东 胡壮麒 《航空材料学报》 CAS CSCD 1994年第3期19-26,共8页
采用透射电镜观察了快冷态Ti-5Al-4Sn-2Zr-1Mo-0.25Si.0.3~1.2Nd合金(Ti-55合金)稀土相的形貌,发观稀土相尺寸细小(4~34nm),呈球状,均匀弥散地分布在基体中,晶界上稀土相呈椭球... 采用透射电镜观察了快冷态Ti-5Al-4Sn-2Zr-1Mo-0.25Si.0.3~1.2Nd合金(Ti-55合金)稀土相的形貌,发观稀土相尺寸细小(4~34nm),呈球状,均匀弥散地分布在基体中,晶界上稀土相呈椭球状,沿晶界排列。采用图像分析仪对铸态Ti-55合金稀土相进行了分析,结果表明,4种成分合金的稀土相平均尺寸为3.25~3.50μm,平均圆度系数为0.56~0.63,呈椭球状,棒状及不规则状,分布于晶界与晶内,其均匀弥散度劣于快冷态Ti-55合金的稀土相。 展开更多
关键词 稀土相 快冷态 钛-55合金
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Status of a Sodium Cooled Fast Reactor Technology Development Program in Korea
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作者 Chungho Cho Younggyun Kim Jinwook Chang Sang-Ji Kim Chan-Bock Lee Seong-O Kim Jong-Bum Kim Hae-Yong Jeong Yong-Bum Lee Yeong-Il. Kim 《Journal of Energy and Power Engineering》 2012年第9期1379-1397,共19页
Korea imports about 97% of its energy resources as its available energy resources are extremely limited. Thus, the role of nuclear power in electricity generation is expected to become more important in future years. ... Korea imports about 97% of its energy resources as its available energy resources are extremely limited. Thus, the role of nuclear power in electricity generation is expected to become more important in future years. A fast reactor system is one of the most promising options for electricity generation with an efficient utilization of uranium resources and a reduction of radioactive wastes. Based on the experiences gained during the development of the conceptual designs for KALIMER (Korea advanced liquid metal reactor), the KAERI (Korea Atomic Energy Research Institute) is currently developing advanced SFR (sodium cooled fast reactor) design concepts that can better meet the Gen IV (Generation IV) technology goals. The long-term advanced SFR development plan will be carried out toward the construction of an advanced SFR demonstration plant by 2028. Advanced concept design studies and the development of the advanced SFR technologies necessary for its commercialization and basic key technologies carried out by KAERI are included in this paper. 展开更多
关键词 Sodium cooled fast reactor BURNER metal fuel pyroprocess.
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