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Reprinted from Encyclopedia of Polymer Science and Technology
FRACTURE LONGTERM PHENOMENA
FRACTURE SHORTTERM PHENOMENA
4 other sections not shown
abrasion abrasion resistance amorphous appears applied ASTM becomes behavior break brittle cause changes characteristic Chem chemical complex considerably considered constant crack crystalline crystallization curve decreases deformation density dependence determined direction draw ductile effect elastic energy equation example extension fabrics factor failure fibers Figure flow force fracture friction function give given glass hardness higher impact strength important increases initial less load lower machine macromolecules material measured mechanical properties melt methacrylate method modulus molding molecular weight nature necking notch observed obtained occurs orientation particles Plastics polyethylene polymer Polymer Sci polymeric bodies polystyrene possible range ratio region relative relaxation resins resistance rise rubber rupture sample scale shown shows similar specimen standard strain stress-cracking stress-strain curve structure studies surface Table temperature tensile thermal tion toughness transition true various wear yield stress