Microstructure and Properties of Graphene/Titanium Composite Materials Prepared by Plasma Activated Sintering
Microstructure and Properties of Graphene/Titanium Composite Materials Prepared by Plasma Activated Sintering
复制标题
等离子体活化烧结制备石墨烯/钛复合材料的微观结构与性能
DOI：
10.1166/sam.2017.2797
复制
发表时间：
2017-07
影响因子：
0.9
通讯作者：
Zhang Jinyong
中科院分区：
文献类型：
--
作者：
Niu Bo;Zhao Kai;Zhang Fan;Ji Wei;Zhang Jinyong
钛的强化通常是通过与各种金属元素合金化来实现的，本文研究了一种制备高强度和良好塑性的钛基材料的新途径。采用氧化石墨原位热还原法制备了石墨烯作为增强体，增强了钛基体的力学性能。利用球磨、超声处理和冷冻干燥的组合来制备0.5、1.0和2.0体积%的GO/Ti复合粉体。采用等离子体活化烧结法，在1200 °C、200 °C/min的升温速率下烧结3 min，制备了石墨烯/Ti复合材料，并对其微观结构、力学性能、导电性能和耐腐蚀性能进行了研究。
The strengthening of titanium (Ti) is usually achieved by alloying it with various metal elements, in this work, we investigated a new route for the fabrication of Ti-based materials with high strength and good plasticity. Graphene produced by in situ thermal reduction from graphite oxide (GO) was used as reinforcement for enhancing the mechanical properties of the Ti matrix. A combination of ball milling, ultrasonication and freeze-drying was utilized to fabricate 0.5, 1.0 and 2.0 vol.% GO/Ti composite powders. The powders were subsequently consolidated by plasma activated sintering at 1200 °C for 3 min with a heating rate of 200 °C/min. The microstructure, mechanical properties, electrical conductivity and corrosion resistance of the prepared graphene/Ti composite materials were studied.