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【答案】应助回帖
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yusen_1982: 金币+200, 翻译EPI+1, ★★★很有帮助, 谢谢 2015-03-13 22:16:27
针对 铜钨触头 在高频次高压 开合服役条件下 高温强度低、耐磨性及耐电弧烧蚀能力差 导致 电气寿命不足的问题，以实现 增强 钨骨架强度、提高 铜液 在钨骨架中 渗流能力、改善 铜钨合金 整体耐磨损性能、实现 合金表面 均匀电弧烧蚀 和长期稳定服役的目的。
Under the service condition of high frequently switching with high voltage circumstance, the CuW contactors will suffer from poor high-temperature strength, poor abrasion resistance, and weak arc ablation resistance, which leads to an insufficient lifespan of electricals. As a result, in this paper, a series of goals will be realized including enhancing tungsten skeleton strength, improving the filtration capacity of copper liquid in tungsten skeleton, improving the abrasion resistance of Cu-W alloy, and realizing the uniform arc ablation and stable long-term service.
本项目 从双连续梯度 钨骨架 立体结构 优化设计、快速 精密成形、梯度 连续孔隙中铜液渗流 行为三个方面展开，系统研究 具有双连续梯度 铜钨合金钨骨架 孔结构设计和构建技术、高能束与钨粉末 相互作用机理、铜液与钨通道表面之间 交互作用 微观机制，开发 梯度孔结构 钨骨架 机（应该是笔误，精）密成形技术。
In this project, from the aspects of optimization design of double continuous gradient tungsten skeleton, rapid precision forming, and copper fluid transfusion within continuous gradient pores, it conducted systematical analysis on issues including pore structure design and construction technique of double continuous gradient tungsten skeleton, the interaction mechanism between high energy beam and tungsten powder, micro-mechanism of interaction between copper liquid and tungsten channel surface, and exploration of precision forming of gradient pore structured tungsten skeleton
结合 铜钨触头 综合性能评价，阐明 高能束作用下 双连续梯度铜钨合金 三维连续钨骨架的 成形机制，以及 铜液与钨表面 作用机制。建立 孔结构 设计—成型工艺 及渗流行为—综合性能 三者之间的 关联机制。
Based on the evaluation of comprehensive property of CuW contactors, under high energy beam effect, this paper illustrated the formation mechanism of 3D continuous tungsten skeleton made of double continuous gradient Cu-W alloy,and the interaction mechanism between copper liquid and tungsten surface, which leads to the establishment of correlative mechanism among pore structure design,formation technology & transfusion behavior and comprehensive property.
本项目 对提高 该类材料性能 和推广应用 是有重要科学意义 和 参考价值。
This project provided scientific significance and reference value in improving the property and promoting the application of such materials |
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