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- W643412878 abstract "采用微波烧结技术制备W-25Cu 触头材料，并与常规烧结进行对比。结果表明：微波烧结升温速度 快，周期短，能促进W-Cu 材料的致密化；在适当条件下，微波烧结能获得相对密度达99.8%的W-Cu 样品；微 波烧结能改善W-Cu 样品中两相分布的均匀性和W 晶粒尺寸的一致性，但引起W 晶粒的快速长大；Fe 烧结助剂 导致W-Cu 材料显微组织均匀性变差，并引起晶粒进一步粗化；微波烧结技术能够应用于W-Cu 材料的制备，在 缩短生产周期、降低生产成本方面具有潜在优势。 Microwave sintering of W-25Cu composites was presented, along with conventional sintering for a comparison. The experimental results show that microwave sintering promotes the densification of green compacts with higher heating rate and reduced sintering cycle. The sintered relative density of 99.8% can be achieved during microwave processing under appropriate conditions. In addition, microwave sintering improves the uniformity and homogenization of W grain size, and yet leads to growth of W grain. Fe sintering aid degrades the microstructure uniformity and further coarsens W grains. The present investigation demonstrates the feasibility of applying microwave sintering technique to consolidate W-Cu composites and its promising outlook in reducing production cycle and cost." @default.
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- W643412878 date "2009-06-01" @default.
- W643412878 modified "2023-09-27" @default.
- W643412878 title "W-Cu 触头材料的微波烧结. Microwave sintering of W-Cu contact materials" @default.
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