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- The affect of BCu93P and BAg45CuZn on braze joint of AgNi contact material and H62 with resistance brazing is studied. 采用电阻钎焊工艺,研究BCu93P钎料和BAg45CuZn钎料对AgNi触头材料和H62钎焊接头的影响。
- The main problem of AgNi contact material for control apparatus with small capacity was investigated. 探讨了目前小容量控制电器用国产AgNi触头材料在运行过程中存在的关键问题；
- The breaking arc experiments on five kinds of silver-based contact materials, AgCdO (12), Ag (Sn, In)O, AgZnO (10), AgNi (10), AgC (5) are carried out in terms of different breaking currents, breaking times, closed pressures and paired manner. 用该实验电路对五种银基触头材料AgCdO(12),Ag(Sn,In)O,AgZnO(10),AgNi(10),AgC(5)根据不同的开断电流、开断次数、闭合压力和配对方式进行了电弧侵蚀实验。
- The effect of Li_2O and the total amount of metallic oxide in the contact material on the resistant to elec- tric erosion and fusion welding was dis- cussed. 讨论分析了 Li_2O 及金属氧化物含量对接点材料抗电侵蚀性及抗熔焊性的影响。
- The lower the hardness of contact material against WC coating, the higher the static friction coefficient of a pair.The roughening WC coating and the smoothin... 提高WC涂层的粗糙度以及降低与WC配对的偶件材料的粗糙度可有效地提高摩擦副的静摩擦系数.
- Abstract: The processing principle and the experiment system and results of arc-remelting for the contact material of vacuum switches are described in this paper. 本文介绍了真空开关触头材料电弧重熔工艺原理和电弧重熔系统及实验结果。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- To prevent non-ohmic contacts, choose an appropriate contact material, such as indium or gold. 为了避免非欧姆接触现象，应当选用适当的接点材料，例如铟或者金。
- Arc Erosion Testing of Electrical Contact Materials 电接触材料的电弧侵蚀试验
- The onus of proof lies with you. 你有责任提供证据。
- This paper introduces aresearch on optimal characteristicsof contact material used in vacuum switches by the Technical University of Braunschweig and gives an analysis on their results. 本文介绍德国Braunschweig工业大学对真空断路器触头材料性能的优化问题所作的研究,文中,作者对他们的研究结果作了适当的分析和评论。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- After this, SEM was used to observe and compare the surface appearance of the rivets. The mechanism of the effects of the additives on the electrical properties of AgNi(10) contact material was analyzed. 将含不同添加物的AgNi(10)线材分别加工成平面、球面复合铆钉型触头,并配对装配于ASTM标准试验机上进行电性能模拟试验,得出了含不同添加物的AgNi(10)线材的电磨损及接触电阻数据,并利用扫描电镜对电性能模拟试验后的触头表面形貌进行了对比观察,在此基础上初步分析了不同类型的添加物对AgNi(10)材料电性能的影响机理。
- A soldier's courage is put to the proof in battle. 士兵的勇气在战斗中得到考验。
- The microstructure uniformity, hardness, electric erosion and stability of breakdown voltage for NS W-Cu electrical contact material excel that of conventional PM W-Cu alloy, but the electric conductivity is equivalent. 结果表明 ,纳米晶W Cu电触头材料的硬度、抗电弧烧蚀性及耐电压稳定性远优于传统熔渗法的W Cu合金 ,而电导率两者相差不大。
- Can you produce any proof of your date of birth? 你能出示有关你的生日日期的任何证件吗？
- We now have the absolute proof of his guilt. 我们现在有他犯罪的确凿证据。
- Chen Wenge,Ding Bingjun,Zhang Hui.Nanocrystal W-Cu electrical contact material by mechanical alloying and hot pressed sintering[J].The Chinese Journal of Nonferrous Metals,2002,12(6):1224-1228. [6]陈文革;丁秉钧;张晖.;机械合金化制备的纳米晶W-Cu电触头材料[J]
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
