Longbiao Li - Interface of Ceramic-Matrix Composites

1 Cover

2 TitlePage Interfaces of Ceramic-Matrix Composites Design, Characterization and Damage Effects Longbiao Li

3 Dedication To Shengning

4 Preface

5 Acknowledgments

6 1 Definition, Function, and Design of Interface in Ceramic‐Matrix Composites1.1 Introduction 1.2 The Definition of Interface in Ceramic‐Matrix Composites 1.3 The Function of Interface in Ceramic‐Matrix Composites 1.4 The Design of Interface in Ceramic‐Matrix Composites 1.5 Conclusion References

7 2 Interface Characterization of Ceramic‐Matrix Composites2.1 Introduction 2.2 Effect of Interface Properties on Tensile and Fatigue Behavior of Ceramic‐Matrix Composites 2.3 Effect of Pre‐exposure on Tensile Damage and Fracture of Ceramic‐Matrix Composites 2.4 Effect of Interface Properties on Lifetime of Ceramic‐Matrix Composites 2.5 Conclusion References

8 3 Interface Assessment of Ceramic‐Matrix Composites3.1 Introduction 3.2 Relationships Between Interface Slip and Temperature Rising in CMCs 3.3 Interface Assessment of CMCs from Hysteresis Loops 3.4 Conclusion References

9 4 Interface Damage Law of Ceramic‐Matrix Composites4.1 Introduction 4.2 Interface Damage Law at Room Temperature 4.3 Interface Damage Law at Elevated Temperature in Inert Atmosphere 4.4 Interface Damage Law at Elevated Temperature in Air Atmosphere 4.5 Interface Damage Law at Elevated Temperature in Steam Atmosphere 4.6 Results and Discussion 4.7 Conclusion References

10 Index

11 End User License Agreement

1 Chapter 1 Table 1.1 Fundamental physical and mechanical properties of SiC/SiC composite... Table 1.2 In‐plane tensile properties of SiC/SiC composite with BN interphase... Table 1.3 In‐plane tensile properties of SiC/SiC composites with different fi... Table 1.4 Properties of oxide fibers.

2 Chapter 2Table 2.1 Material properties of 2D SiC/SiC composites.Table 2.2 The material properties of C/SiC composites.

3 Chapter 3Table 3.1 The interface shear stress of unidirectional C/SiC composite corres...Table 3.2 The interface shear stress of unidirectional C/SiC composite corres...Table 3.3 The interface shear stress of unidirectional SiC/CAS composite corr...Table 3.4 The interface shear stress of unidirectional SiC/CAS‐II composite c...Table 3.5 The interface shear stress of cross‐ply C/SiC composite correspondi...Table 3.6 The interface shear stress of cross‐ply C/SiC composite correspondi...Table 3.7 The interface shear stress of 2.5D C/SiC composite corresponding to...Table 3.8 The interface shear stress of 2.5D C/SiC composite corresponding to...Table 3.9 The interface shear stress of 2.5D C/SiC composite corresponding to...

4 Chapter 4Table 4.1 The interface shear stress of unidirectional SiC/CAS composite unde...Table 4.2 The interface shear stress of cross‐ply SiC/CAS composite under cyc...Table 4.3 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.4 The interface shear stress of 2D SiC/SiC composite under cyclic fatigu...Table 4.5 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.6 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.7 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.8 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.9 The interface shear stress of 2D SiC/SiC composite under cyclic fat...Table 4.10 The interface shear stress of 2D SiC/SiC composite under cyclic fa...Table 4.11 The interface shear stress of 2D SiC/SiC composite under cyclic fa...Table 4.12 The interface shear stress of 2D SiC/SiC composite under cyclic fa...Table 4.13 The interface shear stress of 3D SiC/SiC composite under cyclic fa...Table 4.14 The interface shear stress degradation rate of C/SiC and SiC/SiC c...

1 Chapter 1 Figure 1.1 The tensile stress–strain curves of monolithic ceramics and fiber... Figure 1.2 Typical tensile stress–strain behavior of Prepreg‐MI SiC/SiC comp...

2 Chapter 2Figure 2.1 (a) The first matrix cracking stress versus the interface shear s...Figure 2.2 (a) The first matrix cracking stress versus the interface debondi...Figure 2.3 (a) The matrix cracking density versus the applied stress curves;...Figure 2.4 (a) The matrix cracking density versus the applied stress curves;...Figure 2.5 (a) The initial interface debonding stress and complete interface...Figure 2.6 (a) The initial interface debonding stress and complete interface...Figure 2.7 (a) The experimental and predicted first matrix cracking stress v...Figure 2.8 (a) The experimental and predicted first matrix cracking stress v...Figure 2.9 (a) The experimental and predicted matrix cracking density versus...Figure 2.10 (a) The experimental and predicted matrix cracking density versu...Figure 2.11 The experimental and predicted hysteresis loops of 2D Sylramic ™...Figure 2.12 The experimental and predicted fatigue hysteresis loops of 2D Ty...Figure 2.13 (a) The experimental and predicted fatigue hysteresis loops of 2...Figure 2.14 (a) The experimental and predicted fatigue hysteresis loops of 2...Figure 2.15 The unit cell of shear‐lag model.Figure 2.16 The effect of pre‐exposure temperature on (a) the tensile stress...Figure 2.17 The effect of pre‐exposure time on (a) the tensile stress–strain...Figure 2.18 The effect of the interface shear stress on (a) the tensile stre...Figure 2.19 The effect of the fiber strength on (a) the tensile stress–strai...Figure 2.20 The effect of the fiber Weibull modulus on (a) the tensile stres...Figure 2.21 (a) The experimental and predicted tensile stress–strain curves;...Figure 2.22 (a) The experimental and predicted tensile stress–strain curves;...Figure 2.23 (a) The experimental and predicted tensile stress–strain curves;...Figure 2.24 (a) The experimental and predicted tensile stress–strain curves;...Figure 2.25 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.26 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.27 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.28 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.29 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.30 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.31 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.32 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.33 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.34 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.35 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.36 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.37 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.38 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.39 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.40 (a) The interface shear stress versus applied cycles; (b) the br...Figure 2.41 (a) The interface shear stress versus applied cycles; (b) the br...

3 Chapter 3Figure 3.1 Interface slip upon (a) unloading; and (b) reloading.Figure 3.2 The fiber axial stress distribution of Case I upon (a) unloading;...Figure 3.3 The fiber axial stress distribution of Case II upon (a) unloading...Figure 3.4 The fiber axial stress distribution of Case III upon (a) unloadin...Figure 3.5 The fiber axial stress distribution of Case IV upon (a) unloading...Figure 3.6 (a) The fatigue hysteresis loops corresponding to different appli...Figure 3.7 (a) The fatigue hysteresis loops corresponding to different appli.