wcu

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

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

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

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。

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。

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。

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。

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；

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。

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。