Preface |
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xiii | |
Acknowledgments |
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xv | |
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1 | (18) |
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1.1 Tensile Behavior of CMCs at Elevated Temperature |
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2 | (4) |
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1.2 Fatigue Behavior of CMCs at Elevated Temperature |
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6 | (1) |
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1.3 Stress Rupture Behavior of CMCs at Elevated Temperature |
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7 | (2) |
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1.4 Vibration Behavior of CMCs at Elevated Temperature |
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9 | (1) |
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10 | (9) |
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10 | (9) |
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2 First Matrix Cracking of Ceramic-Matrix Composites at Elevated Temperature |
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19 | (56) |
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19 | (1) |
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2.2 Temperature-Dependent Matrix Cracking Stress of C/SiC Composites |
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20 | (9) |
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20 | (1) |
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2.2.2 Results and Discussion |
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21 | (2) |
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2.2.2.1 Temperature-Dependent Matrix Cracking Stress of C/SiC Composite for Different Fiber Volumes |
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23 | (1) |
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2.2.2.2 Temperature-Dependent Matrix Cracking Stress of C/SiC Composite for Different Interface Shear Stress |
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24 | (1) |
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2.2.2.3 Temperature-Dependent Matrix Cracking Stress of C/SiC Composite for Different Fiber/Matrix Interface Frictional Coefficients |
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25 | (1) |
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2.2.2.4 Temperature-Dependent Matrix Cracking Stress of C/SiC Composite for Different Interface Debonding Energies |
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26 | (1) |
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2.2.2.5 Effect of Matrix Fracture Energy on Temperature-Dependent Matrix Cracking Stress of C/SiC Composite |
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27 | (1) |
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2.2.3 Experimental Comparisons |
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28 | (1) |
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2.3 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite |
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29 | (10) |
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2.3.1 Results and Discussion |
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30 | (1) |
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2.3.1.1 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Fiber Volumes |
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30 | (1) |
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2.3.1.2 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Interface Shear Stress |
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30 | (3) |
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2.3.1.3 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Interface Frictional Coefficients |
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33 | (1) |
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2.3.1.4 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Interface Debonding Energies |
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34 | (1) |
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2.3.1.5 Temperature-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Matrix Fracture Energies |
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34 | (2) |
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2.3.2 Experimental Comparisons |
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36 | (3) |
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2.4 Time-Dependent Matrix Cracking Stress of C/SiC Composites |
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39 | (20) |
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39 | (2) |
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2.4.2 Results and Discussion |
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41 | (1) |
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2.4.2.1 Time-Dependent Matrix Cracking Stress of C/SiC Composite for Different Fiber Volumes |
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42 | (1) |
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2.4.2.2 Time-Dependent Matrix Cracking Stress of C/SiC Composite for Different Interface Shear Stress |
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42 | (8) |
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2.4.2.1 Time-Dependent Matrix Cracking Stress of C/SiC Composite for Different Interface Frictional Coefficients |
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50 | (3) |
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2.4.2.4 Time-Dependent Matrix Cracking Stress of C/SiC Composite for Different Interface Debonding Energies |
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53 | (3) |
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2.4.2.5 Time-Dependent Matrix Cracking Stress of C/SiC Composite for Different Matrix Fracture Energies |
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56 | (3) |
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2.4.3 Experimental Comparisons |
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59 | (1) |
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2.5 Time-Dependent Matrix Cracking Stress of Si/SiC Composites |
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59 | (12) |
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2.5.1 Results and Discussion |
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59 | (1) |
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2.5.1.1 Time-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Fiber Volumes |
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60 | (2) |
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2.5.1.2 Time-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Interface Shear Stress |
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62 | (4) |
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2.5.1.3 Time-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Interface Debonding Energies |
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66 | (2) |
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2.5.1.4 Time-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Matrix Fracture Energies |
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68 | (1) |
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2.5.2 Experimental Comparisons |
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68 | (3) |
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71 | (4) |
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71 | (4) |
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3 Matrix Multiple Cracking Evolution of Fiber-Reinforced Ceramic-Matrix Composites at Elevated Temperature |
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75 | (70) |
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75 | (1) |
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3.2 Temperature-Dependent Matrix Multiple Cracking Evolution of C/SiC Composites |
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76 | (13) |
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77 | (1) |
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3.2.1.1 Temperature-Dependent Stress Analysis |
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77 | (1) |
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3.2.1.2 Temperature-Dependent Interface Debonding |
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78 | (1) |
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3.2.1.3 Temperature-Dependent Matrix Multiple Cracking |
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79 | (1) |
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3.2.2 Results and Discussion |
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80 | (2) |
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3.2.2.1 Temperature-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Interface Shear Stress |
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82 | (2) |
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3.2.2.2 Temperature-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Interface Debonding Energies |
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84 | (1) |
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3.2.2.3 Temperature-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Matrix Fracture Energies |
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85 | (3) |
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3.2.3 Experimental Comparisons |
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88 | (1) |
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3.3 Temperature-Dependent Matrix Multiple Cracking Evolution of SiC/SiC Composites |
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89 | (12) |
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3.3.1 Results and Discussion |
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90 | (1) |
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3.3.1.1 Temperature-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Fiber Volumes |
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90 | (2) |
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3.3.1.2 Temperature-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Shear Stress |
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92 | (1) |
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3.3.1.3 Temperature-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Frictional Coefficients |
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93 | (2) |
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3.3.1.4 Temperature-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Debonding Energies |
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95 | (3) |
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3.3.1.5 Temperature-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Matrix Fracture Energies |
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98 | (2) |
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3.3.2 Experimental Comparisons |
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100 | (1) |
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3.4 Time-Dependent Matrix Multiple Cracking Evolution of C/SiC Composites |
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101 | (15) |
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102 | (1) |
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3.4.1.1 Time-Dependent Stress Analysis |
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102 | (1) |
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3.4.1.2 Time-Dependent Interface Debonding |
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103 | (2) |
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3.4.1.3 Time-Dependent Matrix Multiple Cracking |
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105 | (1) |
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3.4.2 Results and Discussion |
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106 | (1) |
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3.4.2.1 Time-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Interface Shear Stress |
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106 | (2) |
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3.4.2.2 Time-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Interface Frictional Coefficients |
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108 | (3) |
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3.4.2.3 Time-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Interface Debonding Energies |
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111 | (2) |
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3.4.2.4 Time-Dependent Matrix Multiple Cracking of C/SiC Composite for Different Matrix Fracture Energies |
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113 | (1) |
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3.4.3 Experimental Comparisons |
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114 | (2) |
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3.5 Time-Dependent Matrix Multiple Cracking Evolution of SiC/SiC Composites |
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116 | (23) |
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3.5.1 Results and Discussion |
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117 | (1) |
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3.5.1.1 Time-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Fiber Volumes |
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117 | (3) |
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3.5.1.2 Time-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Shear Stress |
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120 | (7) |
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3.5.1.3 Time-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Frictional Coefficients |
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127 | (3) |
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3.5.1.4 Time-Dependent Matrix Multiple Cracking of SiC/SiC Composite for Different Interface Debonding Energies |
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130 | (3) |
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3.5.1.5 Time-Dependent Matrix Cracking Stress of SiC/SiC Composite for Different Matrix Fracture Energies |
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133 | (3) |
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3.5.2 Experimental Comparisons |
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136 | (1) |
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3.5.2.1 Unidirectional SiC/SiC Composite |
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136 | (3) |
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3.5.2.2 SiC/SiC Minicomposite |
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139 | (1) |
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139 | (6) |
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140 | (5) |
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4 Time-Dependent Tensile Behavior of Ceramic-Matrix Composites |
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145 | (42) |
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145 | (3) |
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148 | (1) |
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4.3 Results and Discussion |
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149 | (12) |
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4.3.1 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Fiber Volumes |
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149 | (1) |
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4.3.2 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Fiber Radii |
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149 | (3) |
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4.3.3 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Matrix Weibull Moduli |
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152 | (1) |
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4.3.4 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Matrix Cracking Characteristic Strengths |
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152 | (3) |
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4.3.5 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Matrix Cracking Saturation Spacings |
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155 | (1) |
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4.3.6 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Interface Shear Stress |
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155 | (1) |
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4.3.7 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Interface Debonding Energies |
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155 | (4) |
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4.3.8 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Fiber Strengths |
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159 | (1) |
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4.3.9 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Fiber Weibull Moduli |
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160 | (1) |
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4.3.10 Time-Dependent Tensile Behavior of SiC/SiC Composite for Different Oxidation Durations |
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160 | (1) |
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4.4 Experimental Comparisons |
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161 | (18) |
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4.4.1 Time-Dependent Tensile Behavior of SiC/SiC Composite |
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161 | (12) |
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4.4.2 Time-Dependent Tensile Behavior of C/SiC Composite |
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173 | (6) |
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179 | (8) |
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181 | (6) |
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5 Fatigue Behavior of Ceramic-Matrix Composites at Elevated Temperature |
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187 | (24) |
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187 | (2) |
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189 | (2) |
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5.3 Experimental Comparisons |
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191 | (15) |
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5.3.1 2.5D Woven Hi-Nicalon™ SiC/[ Si-B-C] at 600°C in Air Atmosphere |
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191 | (2) |
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5.3.2 2.5D Woven Hi-Nicalon™ SiC/[ Si-B-C] at 1200°C in Air Atmosphere |
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193 | (6) |
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5.3.3 2D Woven Self-Healing Hi-Nicalon™ SiC/[ SiC-B4C] at 1200°C in Air and in Steam Atmospheres |
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199 | (4) |
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203 | (3) |
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206 | (5) |
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206 | (5) |
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6 Stress Rupture of Ceramic-Matrix Composites at Elevated Temperature |
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211 | (96) |
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211 | (2) |
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6.2 Stress Rupture of Ceramic-Matrix Composites Under Constant Stress at Intermediate Temperature |
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213 | (21) |
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214 | (1) |
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6.2.2 Results and Discussion |
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215 | (1) |
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6.2.2.1 Stress Rupture of SiC/SiC Composite for Different Fiber Volumes |
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215 | (3) |
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6.2.2.2 Stress Rupture of SiC/SiC Composite for Different Peak Stress Levels |
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218 | (3) |
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6.2.2.3 Stress Rupture of SiC/SiC Composite for Different Saturation Spaces - Between Matrix Cracking |
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221 | (1) |
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6.2.2.4 Stress Rupture of SiC/SiC Composite for Different Interface Shear Stress |
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221 | (6) |
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6.2.2.5 Stress Rupture of SiC/SiC Composite for Different Fiber Weibull Modulus |
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227 | (2) |
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6.2.2.6 Stress Rupture of SiC/SiC Composite for Different Environmental Temperatures |
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229 | (1) |
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6.2.3 Experimental Comparisons |
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230 | (4) |
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6.3 Stress Rupture of Ceramic-Matrix Composites Under Stochastic Loading Stress and Time at Intermediate Temperature |
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234 | (40) |
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6.3.1 Results and Discussion |
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236 | (1) |
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6.3.1.1 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Stochastic Stress Levels |
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236 | (4) |
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6.3.1.2 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Stochastic Loading Time Intervals |
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240 | (7) |
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6.3.1.3 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Fiber Volumes |
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247 | (4) |
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6.3.1.4 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Matrix Crack Spacings |
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251 | (2) |
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6.3.1.5 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Interface Shear Stress |
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253 | (8) |
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6.3.1.6 Stress Rupture of SiC/SiC Composite Under Stochastic Loading for Different Environmental Temperatures |
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261 | (3) |
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6.3.2 Experimental Comparisons |
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264 | (3) |
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6.3.2.1 α = 80 MPa and αs = 90 MPa with Δt = 7.2,10.8, and 14.4 ks |
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267 | (1) |
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6.3.2.2 α = 100 MPa and αs = 110 MPa with Δt = 7.2 ks |
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267 | (4) |
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6.3.2.3 α = 120 MPa and αs = 130 and 140 MPa with At = 7.2 ks |
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271 | (1) |
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271 | (3) |
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6.4 Stress Rupture of Ceramic-Matrix Composites Under Multiple Load Sequence at Intermediate Temperature |
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274 | (28) |
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6.4.1 Results and Discussion |
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274 | (1) |
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6.4.1.1 Stress Rupture of SiC/SiC Composite Under Multiple Loading Sequence for Different Fiber Volumes |
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275 | (5) |
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6.4.1.2 Stress Rupture of SiC/SiC Composite Under Multiple Loading Sequence for Different Matrix Crack Spacings |
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280 | (5) |
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6.4.1.3 Stress Rupture of SiC/SiC Composite Under Multiple Loading Sequence for Different Interface Shear Stress |
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285 | (7) |
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6.4.1.4 Stress Rupture of SiC/SiC Composite Under Multiple Loading Sequence for Different Environment Temperatures |
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292 | (3) |
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6.4.2 Experimental Comparisons |
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295 | (7) |
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302 | (5) |
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302 | (5) |
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7 Vibration Damping of Ceramic-Matrix Composites at Elevated Temperature |
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307 | (49) |
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307 | (1) |
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7.2 Temperature-Dependent Vibration Damping of CMCs |
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308 | (21) |
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308 | (2) |
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7.2.2 Results and Discussion |
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310 | (1) |
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7.2.2.1 Effect of Fiber Volume on Temperature-Dependent Vibration Damping of SiC/SiC Composite |
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310 | (4) |
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7.2.2.2 Effect of Matrix Crack Spacing on Temperature-Dependent Vibration Damping of SiC/SiC Composite |
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314 | (3) |
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7.2.2.3 Effect of Interface Debonding Energy on Temperature-Dependent Vibration Damping of SiC/SiC Composite |
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317 | (4) |
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7.2.2.4 Effect of Steady-State Interface Shear Stress on Temperature-Dependent Vibration Damping of SiC/SiC Composite |
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321 | (4) |
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7.2.2.5 Effect of Interface Frictional Coefficient on Temperature-Dependent Vibration Damping of SiC/SiC Composite |
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325 | (4) |
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7.2.3 Experimental Comparisons |
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329 | (1) |
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7.3 Time-Dependent Vibration Damping of CMCs |
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329 | (27) |
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329 | (2) |
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7.3.2 Results and Discussion |
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331 | (1) |
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7.3.2.1 Effect of Fiber Volume on Time-Dependent Vibration Damping of C/SiC Composite |
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331 | (3) |
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7.3.2.2 Effect of Vibration Stress on Time-Dependent Vibration Damping of C/SiC Composite |
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334 | (3) |
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7.3.2.3 Effect of Matrix Crack Spacing on Time-Dependent Vibration Damping of C/SiC Composite |
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337 | (3) |
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7.3.2 A Effect of Interface Shear Stress on Time-Dependent Vibration Damping of C/SiC Composite |
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340 | (3) |
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7.3.2.5 Effect of Temperature on Time-Dependent Vibration Damping of C/SiC Composite |
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343 | (1) |
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7.3.3 Experimental Comparisons |
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343 | (3) |
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7.3.3.1 t = 2 hours at T = 700,1000, and 1300°C |
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346 | (1) |
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7.3.3.2 t = 5 hours at T = 700,1000, and 1300°C |
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346 | (5) |
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7.3.3.3 t = 10 hours at T = 700,1000, and 1300°C |
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351 | (3) |
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354 | (2) |
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356 | (1) |
References |
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356 | (3) |
Index |
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359 | |