Hu Changyu, Liu Jianhua, Xu Lei, Yu Lingfei, Zhu Beiping
Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China.
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China.
ACS Omega. 2022 Aug 22;7(34):30087-30092. doi: 10.1021/acsomega.2c03119. eCollection 2022 Aug 30.
Carbon fiber-reinforced titanium matrix composites were prepared by powder metallurgy. Carbon fiber (CF) powder and titanium (Ti) powder are mixed, pressed, and then sintered at a high temperature of 1300-1500 °C. The morphology and conductivity of carbon fiber-reinforced titanium matrix (Ti-CF) composites were studied. When the temperature range of the Ti-CF composites was from 1300 to 1500 °C, the porosity and resistivity first decreased and then increased. When the sintering temperature was 1350 °C, the diffraction peak of the sample was the strongest, the porosity was the smallest (4.16%), and the resistivity was the smallest (2.7 MΩ·mm). CFs have a very good strengthening effect on titanium-based composite materials.
采用粉末冶金法制备了碳纤维增强钛基复合材料。将碳纤维（CF）粉末和钛（Ti）粉末混合、压制，然后在1300 - 1500°C的高温下烧结。研究了碳纤维增强钛基（Ti - CF）复合材料的形貌和导电性。当Ti - CF复合材料的温度范围为1300至1500°C时，孔隙率和电阻率先降低后升高。当烧结温度为1350°C时，样品的衍射峰最强，孔隙率最小（4.16%），电阻率最小（2.7MΩ·mm）。碳纤维对钛基复合材料具有非常好的增强效果。
