In this paper .bridge-indentation method is adopted to precrack in ceramic specimens, and the advantage as well as disadvantage are discussed.

本文首先对桥压法预制原生裂纹进行了研究,然后针对桥压法存在的问题提出了一种简便而有效的陶瓷材料原生裂纹的预制方法——静态膨胀法。