Details
Mechanical Behavior of Organic Matrix Composites
Effect of Thermo-oxidative Ageing1. Aufl.
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139,99 € |
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| Verlag: | Wiley |
| Format: | EPUB |
| Veröffentl.: | 27.12.2017 |
| ISBN/EAN: | 9781119388845 |
| Sprache: | englisch |
| Anzahl Seiten: | 176 |
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Beschreibungen
<p>The book focuses on the effect of ageing (thermo-oxidation, humid ageing) on the mechanical properties of organic matrix composite materials, covering:</p> <p>Bibliographic issues and a detailed state-of-the-art; phenomenological and experimental issues; modelling issues and models parameter identification; illustration and interpretation of experimental tests and proposal for novel test design in the light of the model predictions.</p>
<p>List of Figures ix</p> <p>Acknowledgements xxi</p> <p>Preface xxiii</p> <p>Introduction xxvii</p> <p><b>Chapter 1 Phenomenological Aspects of Thermo-oxidative Ageing of OMCs 1</b></p> <p>1.1 Effect of thermo-oxidation on the local mechanical behavior of the polymer 7</p> <p>1.1.1 Oxidized layers 10</p> <p>1.1.2 EIT measurements by UMI 14</p> <p>1.1.3 Introduction to the parameter γ, an oxidation tracer 19</p> <p>1.1.4 Characterizing the local mechanical behavior of the polymer 24</p> <p>1.1.5 Oxidized material 33</p> <p>1.2 Study of matrix shrinkage induced by thermo-oxidation in unidirectional OMCs 37</p> <p>1.2.1 Virgin sample 40</p> <p>1.2.2 Sample oxidized under 2 bar O<sub>2</sub> 47</p> <p>1.2.3 Air-oxidized sample 53</p> <p><b>Chapter 2 Modeling of Thermo-oxidative Ageing of OMCs 59</b></p> <p>2.1 Thermodynamics of irreversible processes with internal variables 59</p> <p>2.2 Development of an ageing-dependent behavior law for organic polymers 64</p> <p>2.3 Taking into account the initial inelastic and chemical strains 77</p> <p><b>Chapter 3 Identification and Simulations 79</b></p> <p>3.1 Identifying the behavior law of thermo-oxidized polymers through the inverse analysis of ultra-micro-indentation tests 79</p> <p>3.1.1 The method to identify the local mechanical behavior of virgin and oxidized polymers 79</p> <p>3.1.2 Identification of local mechanical behavior of virgin polymers 83</p> <p>3.1.3 Identifying the local mechanical behavior of the oxidized polymer 87</p> <p>3.2 Identification of inelastic strains of chemical origin by inverse analysis of matrix shrinkage in unidirectional OMCs 93</p> <p>3.2.1 Method for identifying inelastic strains in virgin and oxidized OMCs 96</p> <p>3.2.2 Identification of inelastic strains and calculation of stresses in virgin OMCs 98</p> <p>3.2.3 Identification of inelastic strains in oxidized OMCs 102</p> <p>3.2.4 Validating the identification of inelastic strains of chemical origin 105</p> <p>3.2.5 Numerical simulation of stresses induced by thermo-oxidation in UD OMCs 108</p> <p>3.2.6 Rayleigh–Ritz approach for approximate computation of matrix shrinkage in OMCs 111</p> <p>Conclusion and Perspectives 119</p> <p>Bibliography 127</p> <p>Index 133</p>
Marco Gigliotti, University of Poitiers, ISAE-ENSMA, France Marie Christine Lafarie-Frenot, University of Poitiers, ISAE-ENSMA, France Jean-Claude Grandidier, ISAE-ENSMA, France
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