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    • 9. 发明授权
    • Ceramic composite material and its manufacturing method, and heat resistant member using thereof
    • 陶瓷复合材料及其制造方法,以及使用其的耐热构件
    • US06194083B1
    • 2001-02-27
    • US09122636
    • 1998-07-27
    • Kazuhiro YasudaSeiichi SuenagaKunihiko WadaHiroki InagakiYasuhiro Goto
    • Kazuhiro YasudaSeiichi SuenagaKunihiko WadaHiroki InagakiYasuhiro Goto
    • B32B900
    • C23C4/06C04B35/488C23C4/18Y10T428/12493Y10T428/12611Y10T428/12618Y10T428/12931Y10T428/12944Y10T428/252
    • A ceramic composite material comprises a ceramic material constituting a matrix, and dispersion particles disposed in the matrix in a dispersing manner. A specific shape of a ceramic composite material is, for instance, a sinter or a thermally sprayed layer. The dispersion particles are consisting of a composite oxide including at least one kind of a first metallic element selected from alkaline earth metals such as Mg and Ca, and at least one kind of a second metallic element selected from W, Ti, Ta, Mo, Nb, V, B, Te, Ge and Si, for instance, are composite oxide particles precipitated by reacting a compound containing a first metallic element and a compound including a second metallic element through heat treatment. The precipitated particles consisting of such a composite oxide can be dispersed as planar particles or acicular particles in the ceramic layer to which, for instance, thermal spraying is applied. The dispersion particles suppress deterioration of strength or toughness of the oxide based ceramic material under high temperature atmosphere.
    • 陶瓷复合材料包括构成基体的陶瓷材料和以分散方式设置在基质中的分散粒子。 陶瓷复合材料的特定形状是例如烧结体或热喷涂层。 分散粒子由包含选自碱土类金属如Mg和Ca中的至少一种第一金属元素和选自W,Ti,Ta,Mo中的至少一种第二金属元素的复合氧化物组成, 例如,Nb,V,B,Te,Ge和Si是通过热处理使包含第一金属元素的化合物和包括第二金属元素的化合物反应而沉淀的复合氧化物颗粒。 由这种复合氧化物构成的沉淀粒子可以作为平面粒子或针状粒子分散在例如进行热喷涂的陶瓷层中。 分散颗粒抑制氧化物基陶瓷材料在高温气氛下的强度或韧性的劣化。