Matthew Gordon
Summary Overview of design considerations and criteria Factor of safety (eq.) Link to FEA page Link to the behavior of ductile materials page Link to the behavior of brittle materials page Ways of engineering a material to resist fracture Rods, fibers and whiskers Definition and explanation Tensile strength equations (eq.17.18 [1]) and (eq. 17.19 [1]) Comparison of fibers’ mechanical properties (Table 17.3 [1]) Sintering, porosity, and why ceramic materials are in compression and tension Discussion and explanation (p 285 [2]) Young’s modules against porosity (Fig 13.32 [1]) Tensile strength against porosity (Fig 13.33 [1]) Titration Brief description Comparison of boron carbide’s K1C with and without aluminum (Table p48-p49 [3]) Nanophase Materials Brief description Mention of source [6] Link to nanophase.com Cyclic stress and fatigue Brief mention Link to fatigue page Diffusion Brief mention Link to diffusion project ColdWork and Straining % cold work against tensile strength (Fig 7.19 [1]) Reapplied loading (Fig 6.16 [1]) Residual Stresses Definition and explanation How residual stress is used in glass (Fig 14.7 [1]) How residual stress is used in concrete (p520 [1]) How shotpeening is used (p216 [1]) What is fracture toughness? How does it effect design and how can it be altered? Definition and explanation (p194-196 [1]) Different modes of fracture (fig 8.9 [1]) Differences between KC, K1C, K2C, and K3C (p286 [2]) (fig 8.12 [1]) Equations listed for all the modes of fracture List of K1C values for engineering materials (Table 8.1 [1]) Link to testing for K1C Link to behavior of ductile materials Link to behavior of brittle materials How Geometry can effect design Brief description of stress concentrations from (fig. 8.30 [1]) Critical values for stress equations (eq 8.9 and 8.10 [1]) Link to stress concentrations page Example of when a fracture is desirable Discussion of ceramic armor [3], [4] Brief description of sigmoidal cracking Example of post fracture study Mention of source [5] Required HTML 3 tables Required Visualization 8 scanned images