Preface |
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xiii | |
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1 | (48) |
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1.1 Application Background Of Ceramic-Matrix Composites On Aircraft Or Aeroengine |
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1 | (1) |
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1.2 Manufacturing Of CMCS |
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2 | (25) |
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3 | (1) |
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3 | (1) |
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4 | (1) |
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4 | (1) |
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1.2.2 Fabric Architecture |
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4 | (3) |
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7 | (1) |
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8 | (1) |
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1.2.4.1 Chemical Vapor Infiltration |
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8 | (4) |
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1.2.4.2 Polymer Infiltration and Pyrolysis |
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12 | (5) |
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1.2.4.3 Melt Infiltration (MI) |
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17 | (6) |
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23 | (4) |
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1.3 High-Temperature Mechanical Hysteresis Behavior In Different CMCS |
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27 | (6) |
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1.3.1 Unidirectional C/SiC |
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27 | (1) |
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1.3.2 Cross-Ply C/SiC and SiC/MAS-L Composites |
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28 | (2) |
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1.3.3 2D Plain-Woven SiC/SiC |
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30 | (1) |
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31 | (2) |
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1.4 Hysteresis Mechanisms And Models Based On Experimental Observations |
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33 | (7) |
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1.4.1 Matrix Cracking Opening and Closure |
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33 | (3) |
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1.4.2 Interface Debonding and Slip |
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36 | (3) |
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1.4.3 Fiber Failure and Pullout |
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39 | (1) |
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40 | (6) |
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1.5.1 Effect of Temperature on Mechanical Hysteresis Behavior in CMCs |
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40 | (2) |
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1.5.2 Effect of Loading Frequency on Mechanical Hysteresis Behavior in CMCs |
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42 | (2) |
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1.5.3 Effect of Fatigue Stress Ratio on Mechanical Hysteresis Behavior in CMCs |
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44 | (2) |
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1.6 Summary and Conclusion |
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46 | (3) |
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46 | (3) |
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Chapter 2 Cyclic Mechanical Hysteresis Beahvior in One-Dimensional SiC/SiC Minicomposites at Room Temperature |
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49 | (20) |
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49 | (1) |
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2.2 Micromechanical Hysteresis Constitutive Model |
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50 | (2) |
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2.3 Experimental Comparisons |
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52 | (5) |
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2.3.1 Hi-Nicalon™ SiC/SiC Minicomposite |
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53 | (1) |
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2.3.2 Hi-Nicalon™ Type S SiC/SiC Minicomposite |
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54 | (1) |
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2.3.3 Tyranno™ ZMI SiC/SiC Minicomposite |
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55 | (2) |
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57 | (9) |
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2.4.1 Effect of Fiber Volume Fraction on Mechanical Hysteresis Loops |
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57 | (2) |
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2.4.2 Effect of Interface Shear Stress on Mechanical Hysteresis Loops |
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59 | (2) |
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2.4.3 Effect of Interface Debonding Energy on Mechanical Hysteresis Loops |
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61 | (2) |
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2.4.4 Effect of Matrix Cracking on Mechanical Hysteresis Loops |
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63 | (1) |
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2.4.5 Effect of Fiber Failure on Mechanical Hysteresis Loops |
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64 | (2) |
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2.5 Summary and Conclusion |
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66 | (3) |
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66 | (3) |
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Chapter 3 High-Temperature Cyclic-Fatigue Mechanical Hysteresis Behavior in Two-Dimensional Plain-Woven Chemical Vapor Infiltration SiC/SiC Composites |
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69 | (44) |
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69 | (1) |
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3.2 Micromechanical Hysteresis Constitutive Model |
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70 | (4) |
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3.3 Experimental Comparisons |
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74 | (36) |
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3.3.1 Cyclic-Fatigue Hysteresis Loops at 1000°C in Air |
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74 | (6) |
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3.3.2 Cyclic-Fatigue Hysteresis Loops at 1000°C in Steam |
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80 | (8) |
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3.3.3 Cyclic-Fatigue Hysteresis Loops at 1200°C in Air |
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88 | (6) |
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3.3.4 Cyclic-Fatigue Hysteresis Loops at 1200°C in Steam |
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94 | (6) |
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3.3.5 Cyclic-Fatigue Hysteresis Loops at 1300°C in Air |
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100 | (10) |
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110 | (1) |
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3.5 Summary and Conclusion |
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111 | (2) |
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112 | (1) |
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Chapter 4 High-Temperature Cyclic-Fatigue Mechanical Hysteresis Behavior in 2.5-Dimensional Woven SiC/SiC Composites |
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113 | (16) |
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113 | (2) |
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4.2 Materials and Experimental Procedures |
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115 | (1) |
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4.3 Micromechanical Hysteresis Constitutive Model |
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116 | (3) |
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4.4 Experimental Comparisons |
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119 | (7) |
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4.4.1 2.5D Woven Hi-Nicalon™ SiC/[ Si-B-C] at 600°C in an Air Atmosphere |
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119 | (4) |
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4.4.2 2.5D Woven Hi-Nicalon™ SiC/[ Si-B-C] at 1200°C in an Air Atmosphere |
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123 | (3) |
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4.5 Summary and Conclusion |
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126 | (3) |
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127 | (2) |
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Chapter 5 High-Temperature Static-Fatigue Mechanical Hysteresis Behavior in Two-Dimensional Plain-Woven Chemical Vapor Infiltration C/[ Si-B-C] Composites |
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129 | (16) |
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129 | (2) |
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5.2 Micromechanical Hysteresis Constitutive Model |
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131 | (3) |
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5.3 Experimental Comparisons |
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134 | (1) |
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135 | (7) |
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5.4.1 Effect of Stress Level on Static Fatigue Hysteresis Behavior |
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135 | (2) |
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5.4.2 Effect of Matrix Crack Spacing on Static-Fatigue Hysteresis Behavior |
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137 | (2) |
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5.4.3 Effect of Fibers Volume Fraction on Static-Fatigue Hysteresis Behavior |
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139 | (1) |
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5.4.4 Effect of Temperature on Static-Fatigue Hysteresis Behavior |
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140 | (2) |
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5.5 Summary and Conclusion |
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142 | (3) |
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142 | (3) |
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Chapter 6 High-Temperature Dwell-Fatigue Mechanical Hysteresis Behavior in Cross-Ply SiC/MAS Composites |
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145 | (22) |
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145 | (3) |
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6.2 Micromechanical Hysteresis Constitutive Model |
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148 | (4) |
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6.3 Micromechanical Lifetime Prediction Model |
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152 | (2) |
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6.4 Experimental Comparisons |
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154 | (8) |
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6.4.1 Cross-Ply SiC/MAS at 566°C in an Air Condition |
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154 | (5) |
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6.4.2 Cross-Ply SiC/MAS at 1093°C in an Air Condition |
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159 | (3) |
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6.5 Summary and Conclusion |
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162 | (5) |
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163 | (4) |
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Chapter 7 Mechanical Hysteresis Behavior in a Three-Dimensional Needle-Punched C/SiC Composite at Room Temperature |
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167 | (28) |
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167 | (3) |
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7.2 Materials and Experimental Procedures |
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170 | (6) |
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7.3 Micromechanical Hysteresis Constitutive Model |
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176 | (2) |
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7.3.1 Interface Partial Debonding |
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176 | (2) |
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7.3.2 Interface Complete Debonding |
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178 | (1) |
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7.4 Experimental Comparisons |
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178 | (14) |
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7.4.1 Type 1 3D Needle-Punched C/SiC Composite |
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179 | (3) |
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7.4.2 Type 2 3D Needle-Punched C/SiC Composite |
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182 | (4) |
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7.4.3 Type 3 3D Needle-Punched C/SiC Composite |
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186 | (3) |
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7.4.4 Type 4 3D Needle-Punched C/SiC Composite |
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189 | (3) |
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7.5 Summary and Conclusion |
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192 | (3) |
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193 | (2) |
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Chapter 8 Mechanical Hysteresis Behavior in CMCs under Multiple-Stage Loading |
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195 | (22) |
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195 | (2) |
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8.2 Micromechanical Hysteresis Constitutive Model |
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197 | (4) |
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197 | (2) |
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199 | (1) |
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199 | (1) |
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199 | (1) |
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8.2.5 Hysteresis Constitutive Relationship |
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200 | (1) |
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8.3 Experimental Comparisons |
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201 | (3) |
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202 | (1) |
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203 | (1) |
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204 | (9) |
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8.4.1 Effect of Fiber Volume Content |
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205 | (1) |
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8.4.2 Effect of Matrix Crack Spacing |
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206 | (2) |
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8.4.3 Effect of Low Peak Stress Level |
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208 | (2) |
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8.4.4 Effect of High Peak Stress Level |
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210 | (1) |
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8.4.5 Effect of Fatigue Stress Range |
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211 | (2) |
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8.5 Summary and Conclusion |
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213 | (4) |
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213 | (4) |
Index |
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217 | |