通过透烧结制造的W-Mo-Cu复合材料的定制微结构和性能:石墨烯添加和骨相对密度的影响
Jinwen Cai1, Qiaoling Jiang1, Keqin Feng1
1School of Mechanical Engineering, Sichuan University, Chengdu 610065, China.
Materials (Basel, Switzerland)
|June 13, 2025
概括
覆盖铜的石墨烯 (Cu@Gr) 显著提高了--铜 (W-Mo-Cu) 复合物的性能. 这种新的方法提高了先进材料应用的密度,导电性和硬度.
科学领域:
- 材料科学 材料科学 材料科学
- 复合材料 复合材料 复合材料
- 纳米技术 纳米技术
背景情况:
- - - 铜 (W-Mo-Cu) 复合材料为苛刻的应用提供了潜力.
- 优化W-Mo-Cu复合材料的性能对于先进的应用至关重要.
研究的目的:
- 研究铜涂涂石墨烯 (Cu@Gr) 强化对W-Mo-Cu复合材料性能的影响.
- 通过控制的Cu@Gr添加和绿色紧密度调整来定制微观结构并提高W-Mo-Cu复合材料的性能.
主要方法:
- 制造W-Mo-Cu复合材料使用透烧结在1300°C进行1.5小时.
- 加入不同量的Cu@Gr作为强化材料.
- 调整 W-Mo 绿色紧型相对密度 (73-85%).
主要成果:
- 添加Cu@Gr促进了烧结密度,达到98%的相对密度,重量为0.4%的Cu@Gr.
- 观察到碳化物 (Mo2C) 的形成,其含量随着石墨烯剂量增加而增加.
- 含有0.6%重量%Cu@Gr的复合材料显示了最高的热导率 (64%的增加) 和电导率 (73%的增加).
- 较高的绿色紧密度降低了导电性,但增加了硬度.
结论:
- 控制的Cu@Gr合并有效地提高了W-Mo-Cu复合材料的密度和性能.
- 对Cu@Gr含量和绿色紧密度的协同优化是高性能W-Mo-Cu材料的关键.
- 这项研究为设计先进的W-Mo-Cu复合材料提供了宝贵的见解.
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