Abstract
Abstract The thermodynamic behavior of 3-D orthogonal woven composite is studied to explore its structural heat transfer mechanism in a non-uniform heat load field based on finite element analysis (FEA). The temperature distribution characteristics of the resin matrix and the fabric reinforcement are observed to compare the heat absorption. Furthermore, the dynamic expansion and distribution characteristics of temperature in the 3-D orthogonal woven composite structure have also been quantitatively studied, together with simultaneously obtaining the path characteristics of the heat transfer in each system (i.e., warp yarns, weft yarns, and Z-yarns). In addition, the spatial temperature distribution characteristics of each yarn system in the fabric reinforcement are also explored. Thus, the structural mechanism of heat conduction for 3-D orthogonal woven composite is obtained.
Highlights
In recent decades, textile structural fabrics and their reinforced composite materials have been increasingly widely used in engineering due to their good mechanical properties, such as light weight and high strength
The thermodynamic behavior of 3-D orthogonal woven composite is studied to explore its structural heat transfer mechanism in a non-uniform heat load field based on finite element analysis (FEA)
After the resin-based textile structural composite is subjected to an external heat load, the heat first impacts the central area of the resin surface, and the heat is transferred to the surrounding area along the transverse and longitudinal directions, respectively
Summary
Textile structural fabrics and their reinforced composite materials have been increasingly widely used in engineering due to their good mechanical properties, such as light weight and high strength. There is still a lack of in-depth study on the structural heat transfer mechanism of the 3-D orthogonal woven composites under the non-uniform thermal load. This observation holds good especially for studies dealing with the spatial temperature distribution characteristics of the main components (fiber reinforcement and resin matrix) of the fiber-reinforced composite materials in the non-uniform thermal load environment, which is of great significance for revealing the thermodynamic properties and damage mechanism of the composite materials in this category. The thermodynamic behavior of 3-D orthogonal woven composite is studied to explore its structural heat transfer mechanism in a non-uniform heat load field based on FEA. Structural mechanism of heat conduction for 3-D orthogonal woven composite is obtained
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