wcu
- 网络钨铜合金;美国西海岸大学;合金粉末;世界一流大学
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COPPER Study of Manufacturing Process of WCu Electrode Materials for Electric Spark Machining
电火花加工用钨铜电极制造工艺研究
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Effect of doping on electrical arc characteristic of WCu electrical contact materials
掺杂对WCu电触头材料电弧特性的影响
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Investigation of WCu Electrode Erosion Morphology Under Impulse Arcs
脉冲电弧对钨铜电极表面侵蚀形态的研究
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The comprehensive properties of WCu alloys with doping 0.3 % B , 2.0 % Nb , 1.5 % Ce achieved the best by comparing .
通过综合比较,掺杂0.3%的硼、2.0%的铌、1.5%的铈的WCu合金综合性能最佳。
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The change of conductivity and hardness of WCu composite after deformation has been investigated . The results show that the hardness is increased greatly , however , the conductivity is decreased .
本文还对钨铜材料的导电率、硬度的变化进行了研究,结果表明,二次挤压后的钨铜材料的硬度有明显提高,而导电性能反而有所下降。
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WCu composites have been used widely in the fields of electrical materials 、 electron 、 war industry and spaceflight due to their high strength and hardness , good electrical and erosion resistance .
W-Cu复合材料具有良好的导电性、抗熔焊性和高强度、高硬度等优点,目前在电工材料、电子、军工、航天等领域有着广泛的应用。
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After liquid phase sintering , the WCu composites have been deformed by hot hydrostatic extrusion and subsequent hot extrusion , during which the plastic deformation of tungsten particle is not obvious .
通过对W-40wt%Cu液相烧结坯进行一次热静液挤压和后续的热挤压变形的实验,发现钨铜材料在一次挤压和二次挤压后,其钨颗粒并没有明显的大的塑性变形。
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In early aging stage , the strength and hardness increased with increment of wMg / wSi and wMg / wCu values for Si-excess alloys .
结果表明:在时效初期,对于硅过剩合金,其硬度和强度随wMg/wSi和wMg/wCu值增大而提高;
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The cold-pressed compacts have been made of such WCu powders , and it is found that the pressure force and loading speed have important effects on the relative density of the compacts .
之后对混合粉进行冷压制坯,发现压制压力、加压速度和保压时间对冷压坯的密度都有重要影响。
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This paper investigated the Ultrasonic Nondestructive Testing ( UNDT ) problem on the bonded layer between WCu and Cu ( or CrCu ), which is an ideal and widely used material for contact , by using digital Ultrasonic testing device through design and manufacture appropriate reference blocks .
本次实验通过设计和制作对比试块,利用数字超声探伤仪研究了烧结WCu/Cu(CrCu)结合面粘结缺陷的超声探伤问题。