CAREER: Sculptured Thin Films: Non-Linear Nanomechanics and Homogenization for a New Class of Engineered Thin Film Composites with Evolving Nanostructure
CAREER: Sculptured Thin Films: Non-Linear Nanomechanics and Homogenization for a New Class of Engineered Thin Film Composites with Evolving Nanostructure
批准号:
9733653
负责人:
Francesco Costanzo
金额:
$23.5万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-04-15 至 2003-03-31
中文摘要
纳米力学被用来描述雕塑薄膜的非线性热机械性能。此外,雕塑薄膜的均匀化理论制定的分析和计算推导出这些纳米工程系统的有效本构和演化方程。软件和基于计算机的课件的开发,以模拟实验活动中使用的热机械性能的均匀以及复合材料的识别。该项目有助于改进新型复合薄膜的制造和寿命预测技术,这些薄膜在电致发光器件、光学传感器技术、用于捕获病毒或在生物和非生物来源的表面上生长生物组织的微筛等方面具有很好的应用前景。
英文摘要
Nanomechanics is employed to characterize the nonlinear thermo-mechanical properties of sculptured thin films. Also, a homogenization theory of sculptured thin films is formulated to analytically and computationally derive the effective constitutive and evolution equations of these nano- engineered systems. Software and computer-based courseware is developed to simulate the experimental activity used in the identification of the thermo-mechanical properties of homogeneous as well as composite materials. The project contributes to the improvement of fabrication and life prediction techniques for a new class of composite thin films with promising applications on electroluminescent devices, optical sensor technology, micro-sieves for entrapment of viruses or for growth of biological tissues on surfaces of biological and on-biological origin.
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