Thermomechanics of Composite Structures under High Temperatures

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This pioneering book presents new models for the thermomechanical behavior of composite materials and structures taking into account internal physico-chemical transformations such as thermodecomposition, sublimation and melting at high temperatures (up to 3000 K). It is of great importance for the design of new thermostable materials and for the investigation of reliability and fire safety of composite structures. It also supports the investigation of interaction of composites with laser irradiation and the design of heat-shield systems.

Structural methods are presented for calculating the effective mechanical and thermal properties of matrices, fibres and unidirectional, reinforced by dispersed particles and textile composites, in terms of properties of their constituent phases. Useful calculation methods are developed for characteristics such as the rate of thermomechanical erosion of composites under high-speed flow and the heat deformation of composites with account of chemical shrinkage.

The author expansively compares modeling results with experimental data, and readers will find unique experimental results on mechanical and thermal properties of composites under temperatures up to 3000 K. Chapters show how the behavior of composite shells under high temperatures is simulated by the finite-element method and so cylindrical and axisymmetric composite shells and composite plates are investigated under local high-temperature heating. < The book will be of interest to researchers and to engineers designing composite structures, and invaluable to materials scientists developing advanced performance thermostable materials.

Author(s): Yu. I. Dimitrienko (auth.)
Series: Solid Mechanics and Its Applications 224
Edition: 1
Publisher: Springer Netherlands
Year: 2016

Language: English
Pages: XXVII, 434
Tags: Continuum Mechanics and Mechanics of Materials; Thermodynamics; Ceramics, Glass, Composites, Natural Methods; Numeric Computing; Phase Transitions and Multiphase Systems

Front Matter....Pages i-xxvii
High-Temperature Environment and Composite Materials....Pages 1-29
General Equations of Multiphase Continuum Mechanics for Ablative Composites....Pages 31-59
Mathematical Model of Ablative Composites....Pages 61-81
Behavior of Matrices at High Temperatures....Pages 83-116
Reinforcing Fibres Under High Temperatures....Pages 117-133
Unidirectional Composites Under High Temperatures....Pages 135-165
Textile Ablative Composite Materials....Pages 167-200
Composites Reinforced by Dispersed Particles....Pages 201-211
Phenomena in Composite Materials Caused by Gradient Heating....Pages 213-233
Linear Ablation of Composites....Pages 235-267
Thermal Stresses in Composite Structures Under High Temperatures....Pages 269-307
Mechanics of Composite Thin-Walled Shells Under High Temperatures....Pages 309-337
Finite-Element Method for Modeling of Thermomechanical Phenomena in Composite Shells Under High Temperatures....Pages 339-415
Methods of Experimental Investigation of High-Temperature Properties of Composite Materials....Pages 417-429
Back Matter....Pages 431-434