for the continued support and guidance in all the time of research and writing of this thesis. I would also like to thank Dr. Sundarajan V. Madihally and Dr. Jindal Shah for sharing their valuable and insightful thoughts and comments, which helped me to complete this project. My sincere thanks also goes to Prof. Robert Agnew, who helped me use the equipment of cone calorimeter, and Logan C. Hatanaka and Lubna Ahmed from Texas A&M University, who helped make the test specimens. I also appreciate the help and suggestions from my group mates, Qingtong Liu, Beibei Wang, and Hang Yi. Last but not the least, I am thankful to my parents and my sister for their love and patience throughout writing this thesis and my life in general, which always motivates and inspires me to overcome any obstacles.
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