Over the past five decades, fracture mechanics and damage-tolerant design have been increasingly studied and used to characterize materials’ behavior under cyclic loading in structural aerospace applications. In recent years, these concepts have also been adopted by other transportation sectors, including automotive and marine design.
An overview of the history of damage tolerance and discussions on recent advances and future directions will be provided. Integration of fundamental materials science knowledge with fracture mechanics tools for the optimization of existing alloys and development of new alloys with enhanced fatigue and fatigue crack growth resistance will be addressed, together with analytical and computational models for improved structural design and fatigue life predictions.
Issues related to residual stresses, small crack growth and crack size effects, stress ratio effects, critical parameters controlling fatigue crack growth, fatigue crack growth mechanisms at the microstructure scale of various alloys at different stages, and considerations for design and fatigue life predictions will be reviewed and discussed. Examples on the application of these developments for the performance evaluation and microstructure optimization of Al and Ti alloys processed by both conventional and advanced manufacturing methods will also be provided.
Dr. Diana Lados is the Milton Prince Higgins II Distinguished Professor at Worcester Polytechnic Institute (WPI), and the Founder and Director of the Integrative Materials Design Center (iMdc), an industry-government-university consortium established at WPI in 2007, dedicated to advancing the frontiers of sustainable materials-process-component design and manufacturing for high-performance and reliability.
She received her B.S./M.S. in Mechanical Engineering from Polytechnic University of Bucharest in 1997, her second M.S. in Mechanical Engineering from Southern Illinois University in 1999, and her Doctorate in Materials Science and Engineering from WPI in 2004. Dr. Lados is credited with significant research contributions in the areas of materials design, characterization, evaluation, and computational modeling for fatigue, fatigue crack growth, and high-temperature performance, as well as for her original work in materials processing and advanced manufacturing.
Dr. Lados is the recipient of numerous awards and honors, including ASM Fellow–Class of 2017, 2014 Brimacombe Medal from TMS, 2014 Ralph R. Teetor Educational Award from SAE, 2013 Inaugural Constance Tipper Silver Medal from the World Academy of Structural Integrity, 2012 ASM Silver Medal, a “Woman to Watch” in New England for innovation and leadership, an NSF-CAREER Award, and was chosen in 2010 by the National Academy of Engineering (NAE) to participate in the prestigious Frontiers of Engineering symposia for both exceptional research and innovative education. She has more than 85 publications, 250 technical presentations and invited lectures, and several book and patent contributions. She is a member of several professional societies (including ASM, TMS, Alpha Sigma Mu, Sigma Xi), organized symposia at international conferences, and chaired several committees (including Metallurgical and Materials Transactions A Board of Review, Material Advantage Committee, WPI Chapter of Sigma Xi, Central Massachusetts Chapter of ASM). Dr. Lados serves on the ASM’s Awards Policy Committee, and is the Vice President of Alpha Sigma Mu.
We are also please to have a Dessert Presentation:
LOCATION AND SCHEDULE for 2018-2019 Season
Hyatt Regency Hotel
575 Memorial Drive
6:00 PM - 6:30 PM Networking; cash bar
6:30 PM - 7:15 PM Dinner
7:15 PM - 7:30 PM Dessert Speaker
7:30 PM - 8:30 PM Featured Speaker
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General Meetings are held at:
Hyatt Regency Hotel
575 Memorial Drive