日本国家宇航实验室研究了一种新型功能梯度材料(FGM)。它是由两种以上不同性能的材料混杂构成。材料的一面由高强度金属材料组成;另一面则由耐高温的结构陶瓷组成;中间层由高强度纤维(如氧化锆、碳化硅纤维)和微球组成(如陶瓷颗粒、碳粒或玻璃微球等)。这样制成的混杂复合材料既有极好的机械强度 Japan’s National Aerospace Laboratory studied a new type of functionally graded material (FGM). It is composed of two or more different performance materials mixed. One side of the material consists of a high-strength metallic material; the other side consists of a structural ceramic with a high temperature resistance; the middle layer consists of high-strength fibers such as zirconia and silicon carbide fibers and microspheres (eg ceramic particles, carbon particles or glass particles Ball, etc.). The hybrid composite made in this way combines excellent mechanical strength