Characterization of the fracture behavior of glass fiber reinforced thermoplastics based on PP, PE-HD, and PB-1
作者： Marcus Schoßig , Wolfgang Grellmann , Thomas Mecklenburg
DOI: 10.1002/APP.31271
关键词: Fracture mechanics 、 Composite material 、 Izod impact strength test 、 Fracture toughness 、 Toughness 、 Glass fiber 、 Deformation (engineering) 、 Materials science 、 Polyethylene 、 Stiffness 、 Materials Chemistry 、 General chemistry 、 Surfaces, Coatings and Films 、 Polymers and Plastics
摘要: This article deals with the influence of polymeric matrix, such as isotactic polypropylene (iPP), polyethylene (PE-HD), and polybutene-1 (iPB-1), glass fiber content on material behavior short reinforced thermoplastics. The all materials ranged between 0 50 wt %, which corresponds to a volume approx. 0.264. To describe mechanical properties materials, stiffness, strength, hardness, toughness were determined. crack regarding unstable propagation was also assessed by applying fracture mechanics concepts. It found that energy-determined J-values for PP system reach their maximum at 0.135. In contrast, PE-HD increases continuously increasing due unchanged deformation ability simultaneously strength. level PB-1 is nearly same independent opposite trend load ability. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
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