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Research Initiation: Investigation of the Thermomechanical Behavior of Compression Molded Fiber Reinforced Composite Parts

研究启动：压缩成型纤维增强复合材料零件的热机械行为研究

基本信息

批准号：
9009158
负责人：
Tim Osswald
金额：
$ 8.8万
依托单位：
University of Wisconsin-Madison
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1990
资助国家：
美国
起止时间：
1990-07-01 至 1992-12-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9009158&HistoricalAwards=false
关键词：
Research Initiation Investigation Thermomechanical Behavior

项目摘要

The thermomechanical behavior of fiber reinforced composite parts will be investigated. The objective of the study is to conduct research in modeling, analysis and process simulation of the thermomechanical behavior of compression molded fiber reinforced polymer parts. Such a study will increase our understanding of the phenomena and the physics behind shrinkage, warpage and surface waviness of reinforced plastic parts. The project can be divided into two portions: an experimental and a computer modeling potion,. The experimental aspect of the research deals with thermomechanical material properties qualification and characterization. Here, the effect that different types of matrices and fillers have on part's properties will be studied. During these studies different degrees of fiber orientation will be considered. In the second portion of the project a finite element computer simulation of the thermomechanical processes that take place during molding will be developed. The simulation will be compared to parts of complex geometry molded under realistic industrial processing conditions. Understanding the thermomechanical behavior of plastics and being able to predict filling patterns, fiber orientation, shrinkage, warpage and surface waviness before a part is actually molded leads to higher part quality and eliminates some of the expensive and time consuming tasks done in the early stages of part and mold design.

纤维增强复合材料的热机械行为部分将进行调查。研究的目的是进行建模，分析和过程模拟的研究模压纤维的热机械行为增强聚合物部件。这项研究将增加我们的对收缩现象和物理学的理解，增强塑料件的翘曲和表面波纹度。的该项目可以分为两个部分：实验和计算机建模药水，。研究的实验方面处理热机械材料性能鉴定，特征化在这里，不同类型的基体和填料对零件性能的影响。在这些研究中，不同程度的纤维取向将被考虑。在项目的第二部分，元件的热机械过程的计算机模拟，将在成型过程中进行开发。模拟将与在真实环境下成型的复杂几何形状的零件相比，工业加工条件。了解塑料的热机械行为，并能够预测填充方式、纤维取向、收缩、翘曲和表面在零件实际模制之前的波纹度导致较高的零件质量和消除了一些昂贵和耗时的在零件和模具设计的早期阶段完成的任务。