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Preparation and wear resistance of Ti-Zr-Ni quasicrystal and polyamide composite materials

Wang, Xinlu ; Li, Xuesong ; Zhang, Zhenjiang ; Zhang, Shanshan ; Liu, Wanqiang ; Wang, Limin

Philosophical magazine (2003. Print), 1901-01, Vol.91 (19-21), p.2929-2936 [Periódico revisado por pares]

Abingdon: Taylor & Francis Group

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Título:
Preparation and wear resistance of Ti-Zr-Ni quasicrystal and polyamide composite materials
Autor: Wang, Xinlu ; Li, Xuesong ; Zhang, Zhenjiang ; Zhang, Shanshan ; Liu, Wanqiang ; Wang, Limin
Assuntos: Annealing ; Applied sciences ; composite ; Composite materials ; Contact of materials. Friction. Wear ; Exact sciences and technology ; Fillers ; hardness ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Polished ; polyamide ; Polyamide resins ; Quasicrystals ; Rheometers ; Ti-Zr-Ni quasicrystal ; Titanium ; wear ; Wear resistance
É parte de: Philosophical magazine (2003. Print), 1901-01, Vol.91 (19-21), p.2929-2936
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Ti-Zr-Ni icosahedral quasicrystal powders (Ti-QC), prepared by mechanical alloying and then annealing in a vacuum furnace, were used as a novel filler material in polyamide 12 (PA12). The melt processability of the composite was studied using a Haake torque rheometer. This indicates that PA12/Ti-QC composites can be melt-processed into a wear-resistant material. Further, these composites, fabricated by compression molding, were tested in sliding wear against a polished bearing steel counterface. The results from wear testing show that the addition of Ti-QC filler to PA12 enhances wear resistance and reduces volume loss by half compared with neat PA12. Furthermore, it is found that the hardness of the composite increases with increasing content of Ti-QC filler. In addition, PA12/Ti-QC composites exhibit a slightly higher crystallization temperature and better thermal stability than PA12. These combined results demonstrate that Ti-QC filler may be a desirable alternative when attempting to increase the wear resistance of PA12.
Editor: Abingdon: Taylor & Francis Group
Idioma: Inglês

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Preparation and wear resistance of Ti-Zr-Ni quasicrystal and polyamide composite materials

Wang, Xinlu ; Li, Xuesong ; Zhang, Zhenjiang ; Zhang, Shanshan ; Liu, Wanqiang ; Wang, Limin

Abingdon: Taylor & Francis Group

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