摘要
采用金属蒸汽真空弧 (MEVVA)离子注入机引出的Si离子进行了聚酯薄膜 (PET)改性研究 ,注入后的聚酯膜表面结构发生了很大的变化。用透射电子显微镜观察了注入聚酯膜的横截面 ,结果表明 ,在注入层形成颗粒的沉积。红外吸收测量揭示这些颗粒为SiC和富集的碳颗粒。这些颗粒增强了注入层表面强化效果。用纳米硬度计测量显示 ,Si离子注入可明显地提高聚酯膜表面硬度和杨氏模量 ,从而极大地的增强了表面抗磨损特性。
Polyethylene terephthalane (PET) has been modified with Si ions from a metal vapor arc source (MEVVA). After implantation, the surface structure has been greatly changed. The experimental results of infrared absorption indicated that the particles are referred to rich carbon and SiC particles. The PET has been strengthened by these dispersed particles. The measurement results using nanometer hardness tester reveal that both surface hardness and modulus increase obviously. Therefore the surface wear resistance improved extremely. Finally the modification mechanism of Si implanted PET was discussed.
出处
《核技术》
CAS
CSCD
北大核心
2002年第12期1007-1012,共6页
Nuclear Techniques
基金
国家自然科学基金项目 (5 0 14 10 2 2 )
国家"八六三"计划项目 (2 0 0 1AA380 2 0 )资助
关键词
硅离子注入
摩擦特性
表面强化机理
聚合物
改性
Si ion implantation, Tribological properties, Surface strengthening mechanism, Polymer
