Composite Materials Lab at SU
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Past research projects in composites

Past research projects performed at the Syracuse University Department of Mechanical and Aerospace Engineering Composite Materials Laboratory include:

  • Evaluation of the effects of subzero temperatures and seawater immersion on damage initiation and growth in marine sandwich composites.
  • Evaluation of delamination failure in graphite/polyimide composites under elevated temperatures.
  • Development of an Advanced Interactive Discovery Environment (AIDE) for Engineering Education - a virtual environment that contains application-specific content, application-appropriate simulation and software packages, distributed learning modules, expert systems, knowledge bases, and synchronous and asynchronous communication tools, and which was used as a prototype for engineering education and for exploring optimum functioning methods for geographically distributed engineering teams.
  • Development and verification of a non-classical, energy release rate based method for predicting delamination growth in graphite/epoxy composites.
  • Development and verification of a non-classical, energy release rate based method for predicting delamination growth in graphite/epoxy composites.
  • Toughness and mechanism assessments for mixed-mode delamination growth in particulate interlayered composites over a range of hygrothermal conditions.
  • New computational methods for assessing the influence of friction on energy release rates during delamination.
  • Prediction of delamination growth in graphite/epoxy skin-stringer assemblies.
  • Development of a three-dimensional crack tip element for energy release rate determination in layered elastic structures.
  • Test methodology development for static and fatigue mode I, mode II and mixed-mode delamination characterization, including the development of a four point bend end-notched flexure test for determining the mode II toughness of laminated composites.
  • Dynamic fracture mechanics of composite structures.
  • Modeling of diseased coronary arteries for interventional device design.
  • Investigation of fracture of bimaterial interfaces, including the development of new test methods for determining toughness versus mode mixity.
  • Spectrum fatigue life prediction methodology for laminated composite structures.
  • Fatigue and fracture of damaged composite struts with application to unmanned space vehicles.
  • An expert system for the design and analysis of composite structures.
  • Prediction of edge delamination in laminated structures subjected to combined in-plane, bending and hygrothermal loading.
  • Finite width effects in unidirectional and multidirectional delamination toughness test specimens, including three dimensional analyses and experimental investigation of crack front shapes for:
    • The double cantilever beam test
    • The single leg bending test
    • The end-notched flexure test
  • Ultrasonic imaging of impact damaged composite laminates.
  • Buckling of impact damaged and delaminated composite laminates and structures.
  • Effect of interleaving on energy release rate and fracture mode ratio in composite laminates.
  • Evaluation of data reduction techniques for the mixed-mode bending test.
  • Delamination and mode I fracture of ceramic matrix composites.
  • Investigation of interface failure of total hip replacements.

Barry D. Davidson,