用于复杂加载技术的功能梯度飞片材料的设计、薄带铸造法制备及其性能

The project aims to design, fabrication and performance of functionally graded impactor, which can apply to complex loading technology to create controllable thermodynamic path simulating in the laboratory extreme conditions in the research fields of dynamic high-pressure physics, such as astrophysics and nuclear physics. .It concerns with system design, key fabrication technology, structure control, static and dynamic performance research, etc. The expected objectives of the research are as follows: the system of functionally graded impactor is designed by stress simulation.The inner connection between organic additives and rheological properties of metal-ceramic composite slurry with different density is studied, and the fabrication technology of composite slurry are established, and stable, highly solid content composite slurry suitable for thin strip casting is obtained. The physical compatibility of parameters for the thin strip casting process and properties of slurry are elucidated. The technology for compound thin film with uniform components and thickness are obtained. The problem of low temperature activated sintering for composites with great disparity in physical properties of ingredients is solve, and the technology of overall densification and structure control for functionally graded impactor is build. .The achievements of the project would apply to complex loading technology, well serving for imperative research on the response characteristics of materials in the field of dynamic high-pressure physics, such as phase transition, strength.

项目以实验室模拟天体物理、核物理等动高压物理研究领域急需的极端条件的复杂加载技术为研究背景，针对可创造可控热力学路径的复杂加载技术所用的功能梯度飞片材料，涉及其体系设计、关键制备技术和结构控制、及其静态与动态性能等研究。预计达到以下研究目标：获得功能梯度飞片材料的体系设计方法；探明有机添加剂与密度差异的金属-陶瓷复相料浆流变性质的内在关联，建立复相料浆的制备技术，获得稳定、高固相含量适合薄带铸造的复相料浆；阐明薄带铸造工艺参数与料浆性质的物理匹配性，获得组分和厚度均匀的复相薄膜工艺；解决物性差异悬殊复合材料的低温活化烧结难题，建立功能梯度飞片材料的整体致密化与结构控制技术。项目成果将解决用于复杂加载技术的功能梯度飞片设计、制备与结构应力控制的关键难题，使复杂加载技术更好地服务于动高压物理领域急需的材料的响应特性研究（如相变、强度等）。

项目以实验室模拟天体物理、核物理等动高压物理研究领域急需的极端条件的复杂加载技术为研究背景，针对可创造可控热力学路径的复杂加载技术所用的功能梯度飞片材料，涉及其体系设计、关键制备技术和结构控制、及其静态与动态性能等研究。达到以下研究目标：获得功能梯度飞片材料的体系设计方法；探明有机添加剂与密度差异的金属-陶瓷复相料浆流变性质的内在关联，建立复相料浆的制备技术，获得稳定、高固相含量适合薄带铸造的复相料浆；阐明薄带铸造工艺参数与料浆性质的物理匹配性，获得组分和厚度均匀的复相薄膜工艺；解决物性差异悬殊复合材料的低温活化烧结难题，建立功能梯度飞片材料的整体致密化与结构控制技术。项目成果解决用于复杂加载技术的功能梯度飞片设计、制备与结构应力控制的关键难题，使复杂加载技术更好地服务于动高压物理领域急需的材料的响应特性研究（如相变、强度等）。