Diana A. Lados
Associate Professor
Mechanical Engineering
Worcester Polytechnic Institute
United States of America
Biography
Education: BS Polytechnic University of Bucharest 1997 MS Polytechnic University of Bucharest 1997 MS Southern Illinois University 1999 PhD Worcester Polytechnic Institute 2004
Research Interest
Fatigue, fatigue crack growth, fracture; Design and optimization of materials for fatigue and fatigue crack growth resistance; Light metals (traditionally cast and semi-solid processed); Advanced microstructure characterization and microstructure-performance relationships optimization; Physical metallurgy aspects of solidification processes of cast alloys; Impact of post-solidification operations (heat treatment) on mechanical properties, fatigue, fatigue crack growth; Alloy/process development from fundamentals to production; Traditional and novel techniques to measure residual stress and new methods to compensate for its presence; Evaluate plasticity contributions to fatigue crack growth and fracture toughness and introduce elastic/plastic growth analyses; Closure and long-crack to small-crack correlations in fatigue crack growth; Fracture mechanics concepts and their application to residual stress and crack closure corrections; "On-line" residual stress, plasticity, and closure corrections techniques; Develop appropriate/compatible fatigue life prediction models; Powder metallurgy; Novel, forensic, and historic materials
Publications
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D.A. Lados, D. Apelian, and J.K. Donald, "Effect of Asymmetric Residual Stress on the Fatigue Crack Growth Behavior of Cast Al-Si-Mg Alloys"; to appear in Metallurgical and Materials Transactions A.
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D.A. Lados, D. Apelian, and J.K. Donald, "Fracture mechanics analysis for residual stress and crack closure corrections", International Journal of Fatigue (in press).
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D.A. Lados, D. Apelian, and J.F. Major, "Fatigue Crack Growth Mechanisms at the Microstructure Scale in Al-Si-Mg Cast Alloys: Mechanisms in Regions II and III", to appear in Metallurgical and Materials Transactions A.
