共搜索到14612条信息,每页显示10条信息,共1462页。用时:0小时0分0秒519毫秒
Effect of sintering temperature on the physical properties and electrical contact properties of doped AgSnO2 contact materialsHai-tao Wang1,2,Zi-xiang Wang1,2,Lian-zheng Wang1,2,Jing-qin Wang1,2,Yan-cai Zhu1,21. State Key Laboratory of Reliability and Intelligence of Electrical Equipment,School of Electrical Engineering,Hebei University of Technology2. Key Laboratory of Electromagnetic Field......
and electrical noise between the two brushes were measured and the resistance waveforms were recorded. The morphologies of the worn surfaces and wear debris of the brush and plating were observed. The results... resulting from the variation of contact resistance during sliding could be received. The root-mean-square (RRMS) values of the resistance waveforms, representing the electrical noise of the contact......
......
Cr5Si3B and Hf5Si3B:New MAB phases with anisotropic electrical,mechanical properties and damage toleranceYanchun Zhou,Huimin Xiang,Fu-Zhi Dai,Zhihai FengScience and Technology on Advanced Functional... and mechanical property investigations,anisotropic electrical and mechanical properties,and damage tolerant ability of MAB phases Cr5Si3B and Hf5Si3B are predicted.The anisotropic electrical conductivity......
; 2. Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China; 3. State Key Laboratory of Electrical Insulation and Power... Heidelberg 2012 Abstract: The effect of different molar ratios of Y2O3 and Y(NO3)3 on the microstructure and electrical response of ZnO–Bi2O3-based varistor ceramics sintered at 1 000 ℃ was investigated......
Electron force-induced dislocations annihilation and regeneration of a superalloy through electrical in-situ transmission electron microscopy observationsXina Zhang1,2,Hongwei Li1,2,Mei... evolution of metals keeps being a confusing question to be answered and proved. To this end, the dislocation evolution of a superalloy with electric current was directly observed by electrical in-situ......
, Central South University, Changsha 410083, China) Abstract: The continuous cooling transformation (CCT) curves of aluminum alloy 7A04 were measured. The electrical resistance-temperature curves... show that the electrical resistivity of the sample is sensitive to the microstructure change produced by continuous cooling transformation, and the CCT curves obtained by in-situ resistance measurement......
is considered, the circuit high frequency resistance is also a good option. Key words: continuously varying cell constant technique; electrical conductivity; equivalent circuit  ...;电导率;等效电路 中图分类号:TF 821 文献标识码:A Equivalent circuit analysis and application for electrical conductivity measurement by continuously varying cell constant technique......
Effect of Nitrogen Doping on the Electrical Properties of 3C-SiC Thin Films for High-Temperature Sensors ApplicationsH.K.E.Latha1,A.Udayakumar2,V.Siddeswara Prasad1摘 要:electrical properties,such as resistivity,barrier height of grain boundaries,and temperature coefficient of resistivity,are important in addition to structural properties and these have to be optimized.In......
J. Cent. South Univ. Technol. (2008) 15: 20-24 DOI: 10.1007/s11771-008-0005-z Resistance optimization of flexes in aluminum reduction cells LI Jie(李 劼), LIU Jie(刘 杰), LIU Wei(刘 伟...; Abstract: The resistance arrangements of the flexes......