University:
Massachusetts Institute of Technology
Course:
3.054 | Cellular Solids: Structure, Properties and Applications
Academic year:

2024
Views:

445

Pages:

29
Author:

Nomes67i

Figure removed due to copyright restrictions. See Figure 9.4: Gibson, L. J. and M. F. Ashby. Cellular Solids: Structure and Properties. Cambridge University Press, 1997. Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figures courtesy of Lorna Gibson and Cambridge University Press. Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Table courtesy of Lorna Gibson and Cambridge University Press. Minimum Weight Design Al faces; Rigid PU foam core Figures 7, 8, 9: Gibson, L. J. "Optimization of Stiffness in Sandwich Beams with Rigid Foam Cores." Material Science and Engineering 67 (1984): 125-35. Courtesy of Elsevier. Used with permission. Stresses Face: Normal stress Core: Shear stress Approximate stress distributions, for: Ec< < Ef and t< < c Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figures courtesy of Lorna Gibson and Cambridge University Press. Failure Modes Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figure courtesy of Lorna Gibson and Cambridge University Press. Failure Mode Map Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figure courtesy of Lorna Gibson and Cambridge University Press. Failure Map: Expts Figures 12 and 13: Triantafillou, T. C., and L. J. Gibson. "Failure Mode Maps for Foam Core Sandwich Beams." Materials Science and Engineering 95 (1987): 37–53. Courtesy of Elsevier. Used with permission. Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figure courtesy of Lorna Gibson and Cambridge University Press. Ski Case Study Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figures courtesy of Lorna Gibson and Cambridge University Press. Ski Case Study Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figures courtesy of Lorna Gibson and Cambridge University Press. Gibson, L. J., and M. F. Ashby. Cellular Solids: Structure and Properties. 2nd ed. Cambridge University Press, © 1997. Figure courtesy of Lorna Gibson and Cambridge University Press. Daedalus Mass = 31 kg Length = 8.8m Wingspan = 34m Propeller blades = 3.4m Courtesy of NASA. Image is in the public domain. NASA Dryden Flight Research Center Photo Collection. Flew 72 miles, from Crete to Santorin, in just under 4 hours Sandwich panels: propeller, wing and tail trailing edge strips, tail surface struts Image: MIT Archives