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- Title
Effect of fiber content on flexural properties of glass fiber-reinforced polyamide-6 prepared by injection molding.
- Authors
Manamu NAGAKURA; Yasuhiro TANIMOTO; Norihiro NISHIYAMA
- Abstract
The use of non-metal clasp denture (NMCD) materials may seriously affect the remaining tissues because of the low rigidity of NMCD materials such as polyamides. The purpose of this study was to develop a high-rigidity glass fiber-reinforced thermoplastic (GFRTP) composed of E-glass fiber and polyamide-6 for NMCDs using an injection molding. The reinforcing effects of fiber on the flexural properties of GFRTPs were investigated using glass fiber content ranging from 0 to 50 mass%. Three-point bending tests indicated that the flexural strength and elastic modulus of a GFRTP with a fiber content of 50 mass% were 5.4 and 4.7 times higher than those of unreinforced polyamide-6, respectively. The result showed that the physical characteristics of GFRTPs were greatly improved by increasing the fiber content, and the beneficial effects of fiber reinforcement were evident. The findings suggest that the injectionmolded GFRTPs are adaptable to NMCDs because of their excellent mechanical properties.
- Subjects
FIBER-reinforced plastics; INJECTION molding of plastics; GLASS fibers; FLEXURAL strength; MECHANICAL properties of polymers
- Publication
Dental Materials Journal, 2017, Vol 36, Issue 4, p415
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2016-252