首页|预氧化碳纤维增强受电弓碳滑板材料的研究

预氧化碳纤维增强受电弓碳滑板材料的研究

扫码查看
原文链接
  • 万方数据
  • 维普
利用预氧化碳纤维(OPF)和沥青、焦炭等为原料,采用热压、焙烧等工艺制备预氧化碳纤维增强受电弓碳滑板;研究不同OPF含量受电弓碳滑板导电导热以及力学性能;利用扫描电镜(SEM)、偏光显微镜(POM)、X射线衍射仪(XRD)等仪器对复合材料内部结构进行观察.结果表明:滑板材料性能的提升与OPF/沥青间的共碳化界面以及界面处与基体中的微晶网络形成有关.OPF质量分数为1.5％的复合材料具有较好的导电导热以及力学性能,电导率和导热系数分别为279.33 S/cm和3.37 W/(m·K),抗压强度和抗折分别为155.00、48.85 MPa,且符合受电弓碳滑板性能要求.
Study on Pre-Oxidized Carbon Fiber Reinforced Pantograph Carbon Slide Plates
The pre-oxidized carbon fiber reinforced pantograph carbon slide plate was prepared using processes such as hot pressing and calcination with pre-oxidized carbon fibers(OPF),pitch and coke as raw materials.The electrical and thermal conductivity as well as the mechanical properties of the pantograph carbon slide plates with different OPF con-tents were disscussed,and the microstructure of the composite material was observed with the scanning electron micros-copy(SEM),polarized light microscopy(POM),X-ray diffractometer(XRD)and other instruments.The results show that the improvement of properties of slide plate material is related to the co-carbonized interface between the OPF and pitch and the formation of microcrystalline network at the interface and the substrate.The composite material consisting of 1.5％OPF has good electrical,thermal conductivity and mechanical properties with electrical and thermal conductivity of 279.33 S/cm and 3.37 W/(m·K),compressive and flexural strength of 155.00 MPa and 44.85 MPa respectively,which meet the performance requirements of pantograph carbon slide plates.

pantograph carbon slide platespre-oxidized carbon fibercompositeselectrical and thermal conductivity propertiesmechanical properties

赵阳、李杰、杨泽锋、高国强、魏文赋、吴广宁

展开 >

西南交通大学电气工程学院,四川成都 610031

受电弓碳滑板 预氧化碳纤维 复合材料 导电导热性能 力学性能

国家自然科学基金国家自然科学基金国家自然科学基金四川省青年科技基金

518300050351922090U19A2003432019JDJQ0019

2024

10.3969/j.issn.1001-8360.2024.06.006

铁道学报
中国铁道学会

铁道学报

CSTPCD北大核心
影响因子：0.9
ISSN：1001-8360
年,卷(期)：2024.46(6)
  • 44