MEASUREMENT AND INFLUENCE FACTOR′S ANALYSING OF INTERFACIAL STRENGTH OF COMPOSITES
来源期刊：中国有色金属学报(英文版)1996年第3期
论文作者：Wang Lingsen Liu Ruoyu Zang Jinsen Fan Yi
文章页码：74 - 78
Key words：composites; interfacial strength; SiC fiber
Abstract: A Nicalon SiC fiber reinforced 7740(Corning Code) boro-silicate glass composite was made by slurry-infiltration-hot-pressing process. The interfacial strength(τs) was measured using pyramidal diamond indentation method and micro de-bonding method respectively. The relationship between interfacial strength and various factors, such as, the heat-exposure time(t) of the fiber at 600℃in air, the fiber diameter(Df), and the spacing from the tested fiber to its nearest neighbouring fiber(Sm). The agreements and the difference of the two methods were discussed. It was discovered that, in the experiment range,τs increased as t and Sm rising and decreased as Df increasing. In addition, the relationship between interfacial strength and fracture toughness(KⅠc) was also studied, it was also discovered that a relatively stronger interfacial strength led to a lower fracture toughness of composite.
