Research on Ti-Al inter metallic compound matrix FRM

Ti-Al金属间化合物基体FRM的研究

• 批准号: 03452261
• 负责人: ONZAWA Tadao
• 金额: $ 4.22万
• 依托单位: Tokyo Institute of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (B)
• 财政年份: 1991
• 资助国家: 日本
• 起止时间: 1991 至 1992
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-03452261/
• 关键词: FRM; INTERMETALIC COMPOUND; SiC FIBER; ADHESION PROCESS; REACTION PROCESS; COMPUTER SIMULATION; CONDITION SELECTING; MATERIAL SELECTION; チタン; アルミニウム; チタンアルミ; Ti_3Al

Fiber-reinforced inter metallic compounds are promising as structural materials in high temperature environments. The forming condition of the material and the using condition are result in the mechanical properties of the material. In this work, the Fiber-reinforced inter metallic compounds were formed using the hot-pressing and the mechanical properties were investigate. Result is summarized as follows ;1. on the adhesion process between the matrix film and the SiC fiber When the hot pressing is used to formed the materials, the perfect adhesion is required between the matrix film and between the film and the fiber. In order to estimate the necessary condition for the hot-pressing, an deformation model ,which takes account of the plastic and creep deformation mechanism, was proposed. The necessary condition of hot pressing for sufficient adhesion was predicted in many case. The experimental results suggest the applicability of the model.2. on the reaction process Inter facial reaction layer at the matrix-fiber interface became the start point of the fracture. The reaction rate for the composites was calculated by suing a reaction model. The experimental results suggest the applicability of the model.3. on the mechanical properties The fiber-reinforced inter metallic compound was formed by taking the two processes stated above into consideration. The tensile strength and the temperature dependence of it are investigated. It was suggested that the sufficient composite can be formed by using the prediction system of two mechanism stated above.

纤维增强金属间化合物在高温环境中作为结构材料有希望。材料的形成条件和使用条件是材料的机械性能。在这项工作中，使用热压形成了纤维增强金属间化合物，并研究了机械性能。结果总结如下; 1。在使用热按压形成材料的矩阵膜和SIC纤维之间的粘附过程中，矩阵膜以及膜和纤维之间需要完美的粘附。为了估计热压的必要条件，提出了一种变形模型，该模型考虑了塑料和蠕变变形机制。在许多情况下，预测热压力以实现足够粘附的必要条件。实验结果表明该模型的适用性2。在反应过程上，基质纤维界面处的面部反应层成为断裂的起点。通过起诉反应模型来计算复合材料的反应速率。实验结果表明该模型的适用性3。在机械性能上，纤维增强金属间化合物是通过考虑上述两个过程来形成的。研究了拉伸强度及其温度依赖性。有人提出，可以使用上述两个机制的预测系统来形成足够的复合材料。