Mechanical Properties of Polymers |
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Page 4
Lawrence E. Nielsen. TABLE 1.2 . YOUNG'S MODULUS AND DEFORMATION OF BEAMS . Beam Deformation Due to Applied Force Dimensions ( original ) Young's Modulus ( E ) AL = L - Lo Length Lo F / A E = Cross section A AL / LO Y Length Lo 4FL width ...
Lawrence E. Nielsen. TABLE 1.2 . YOUNG'S MODULUS AND DEFORMATION OF BEAMS . Beam Deformation Due to Applied Force Dimensions ( original ) Young's Modulus ( E ) AL = L - Lo Length Lo F / A E = Cross section A AL / LO Y Length Lo 4FL width ...
Page 75
... deformed a fixed amount , and the stress required to maintain this deformation is measured for a period of time . The maximum stress occurs as soon as the deformation takes place , and the stress decreases gradually with time from this ...
... deformed a fixed amount , and the stress required to maintain this deformation is measured for a period of time . The maximum stress occurs as soon as the deformation takes place , and the stress decreases gradually with time from this ...
Page 147
... deformation is kept very small compared to the deformation of the speci- men . The electrical outputs of the deformation and load transducers can be recorded independently on a two - channel recorder , or the electrical outputs can be ...
... deformation is kept very small compared to the deformation of the speci- men . The electrical outputs of the deformation and load transducers can be recorded independently on a two - channel recorder , or the electrical outputs can be ...
Contents
Preface V1128 | 1 |
Transitions in High Polymers | 11 |
Chapter Creep | 47 |
Copyright | |
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Common terms and phrases
amorphous polymers amplitude Appl biaxial brittle Buchdahl Cellulose Chap Chem coefficient cold-drawing Colloid Sci compliance constant copolymer crack creep curve crosslinked crystal crystalline polymers damping peak dashpot decreases deformation degree of crystallinity density dissipation factor distribution of relaxation dynamic mechanical dynamic mechanical properties dynamic properties dynes/cm² effect elastic elongation to break energy equation filler frequency friction glass temperature glass transition glass-transition temperature impact strength increases length load logarithm material maximum Maxwell unit measured mechanical damping melting point Modern Plastics molecules Nielsen nylon orientation perpendicular Phys Plastics Eng Poisson's ratio poly polyblends polyethylene polymer chains Polymer Sci polymethyl methacrylate polystyrene polyvinyl chloride Properties of Polymers ratio rigid polymers rubber secondary transition shear modulus shown in Figure speed of testing strain stress relaxation stress-strain curve stretched tensile strength theory tion Tobolsky transition region unoriented viscoelastic viscosity yield point Young's modulus