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Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic.

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Presentation on theme: "Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic."— Presentation transcript:

1 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 Impact dynamic explicit analysis versus PFDA Figure Legend:

2 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 Analysis procedure of multiscaled FEM progressive failure method Figure Legend:

3 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 Damage tracking expressed in terms of load versus displacement Figure Legend:

4 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 MCQ-Ceramics for SiC/SiC composites (a) stress–strain curve for (0 deg/90 deg) SiC-SiC composites test (red) and model correlation, and (b) predicted microcrack density in the matrix and the total electrical resistance as a function of the remote axial strain Figure Legend:

5 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 PFDA predictions for impact test (a) impact force and (b) impactor displacement as a function of impact duration Figure Legend:

6 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 Contact forces as a function of the simulated impacting time, with the boundary condition as: (a) cantilever, (b) simply supported and (c) fully supported, and (d) comparison of simply and fully supported CMCs under impact velocity of 300 m/s Figure Legend:

7 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 PFDA for impact test: (a) damage volume fraction and (b) the microcrack density at the 90 deg plies, and (c)–(f) the damage mechanisms including fiber and matrix damage and delamination in the 0 deg plies at 10 μs (red is for damaged elements and blue is for undamaged elements) Figure Legend:

8 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 (a) PFA results for damage evolution (fraction of damage volume fraction) as the remote tensile stress, (b) simulated matrix microcrack density versus laminate average stress, and (c) experimental NDE tests using ER and the acoustic energy for damage state estimation Figure Legend:

9 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 The fracture states of the (0 deg/90 deg) SiC/SiC laminate under tension after the high speed impacts: (a) top view and (b) side view with 30 deg tilt Figure Legend:

10 Date of download: 5/29/2016 Copyright © ASME. All rights reserved. From: Quantification of Foreign Object Damage and Electrical Resistivity for Ceramic Matrix Composites and Tensile Residual Strength Prediction J. Eng. Gas Turbines Power. 2015;137(5):052503-052503-8. doi:10.1115/1.4028677 The experimental fracture states of the (0 deg/90 deg) SiC/SiC laminate under tension after the high speed impacts: (a) top view and (b) side view with 30 deg tilt Figure Legend:


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