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    • 13. 发明申请
    • Portable Electric Testing Equipment
    • 便携式电气测试设备
    • US20070290673A1
    • 2007-12-20
    • US10581021
    • 2004-11-26
    • Jun KimJoo Yong Kang
    • Jun KimJoo Yong Kang
    • G01R1/38
    • B43M99/00B41K1/003B41K1/04B43L19/0025B43L19/0081
    • A portable electric testing equipment comprising: a probe; ground contact means for contacting a ground terminal of a measured object; a voltage input unit for receiving a voltage applied from the probe; a controller for applying a test voltage of a prescribed level to the voltage input unit, and outputting a control signal for indicating a ground when a voltage level inputted from the voltage input unit is below zero level and for indicating a measurement stand-by state when the voltage level is at test voltage level and for indicating a detected voltage level when the voltage level is above a prescribed reference voltage; and display means for performing an indication according to the control signal from the controller, such that the measurement stand-by state can be easily recognized by a user, and a plurality of lamps are selectively illuminated for the user to intuitively recognize a measured voltage.
    • 一种便携式电测试设备,包括:探针; 接触接触装置,用于接触被测物体的接地端; 电压输入单元,用于接收从探头施加的电压; 控制器,用于向电压输入单元施加规定电平的测试电压,并且当从电压输入单元输入的电压电平低于零电平时输出用于指示接地的控制信号,并且用于指示测量待机状态 电压电平处于测试电压电平,并且当电压电平高于规定参考电压时指示检测到的电压电平; 以及用于根据来自控制器的控制信号执行指示的显示装置,使得用户可以容易地识别测量待机状态,并且为了使用者选择性地照亮多个灯以直观地识别测量的电压。
    • 17. 发明申请
    • Zirconium based alloys having excellent creep resistance
    • 锆基合金具有优异的耐蠕变性
    • US20060177341A1
    • 2006-08-10
    • US11097726
    • 2005-03-31
    • Yong JeongJong BaekByoung ChoiSang ParkMyung LeeJe BangJeong ParkJun KimHyun KimYoun Jung
    • Yong JeongJong BaekByoung ChoiSang ParkMyung LeeJe BangJeong ParkJun KimHyun KimYoun Jung
    • C22C16/00
    • C22C16/00C22F1/186
    • The present invention relates to a zirconium based alloy composite having an excellent creep resistance and, more particularly, to a zirconium based alloy composite finally heat-treated to have the degree of recrystallization in the range of 40˜70% in order to improve the creep resistance. The zirconium based alloy comprises 0.8˜1.8 wt. % niobium (Nb); 0.38˜0.50 wt. % tin (Sn); one or more elements selected from 0.1˜0.2 wt. % iron (Fe), 0.05˜0.15 wt. % copper (Cu), and 0.12 wt. % chromium (Cr); 0.10˜0.15 wt. % oxygen (O); 0.006˜0.010 wt. % carbon (C); 0.006˜0.010 wt. % silicon (Si); 0.0005˜0.0020 wt. % sulfur (S); and the balance zirconium (Zr). The zirconium alloy manufactured with the composition in accordance with the present invention has an excellent creep resistance compared to a conventional Zircaloy-4, and may effectively be used as a nuclear cladding tube, supporting lattice and inner structures of reactor core in the nuclear power plant utilizing light or heavy water reactor.
    • 本发明涉及具有优异抗蠕变性的锆基合金复合材料,更具体地说,涉及一种锆基合金复合材料,其最终被热处理以具有在40〜70%范围内的重结晶度,以改善蠕变 抵抗性。 锆基合金包含0.8〜1.8wt。 %铌(Nb); 0.38〜0.50重量% 锡(Sn); 一种或多种选自0.1〜0.2wt。 %铁(Fe),0.05〜0.15wt。 %铜(Cu)和0.12重量% %铬(Cr); 0.10〜0.15wt。 %氧(O); 0.006〜0.010重量% %碳(C); 0.006〜0.010重量% %硅(Si); 0.0005〜0.0020重量 %硫(S); 余量为锆(Zr)。 按照本发明的组合物制造的锆合金与常规的Zircaloy-4相比具有优异的抗蠕变性,并且可以有效地用作核包层管,在核电站中支撑晶格和反应堆芯的内部结构 利用轻水或重水反应堆。