Abstract
Basalt-reinforced composites are recently developed materials. Basalt fiber (BF) as inorganic filler and polyamide-6 (PA6) as organic filler are characterized by mechanical properties analysis and morphology examination for polytetrafluoroethylene (PTFE) matrix blends. Effects of different filler content on tensile strength and impact strength are proposed. It is observed from scanning electron microscopic studies that addition of BF and PA6 are beneficial in increasing mechanical strength via increasing the interface-dispersed phase. The optimum tensile properties of BF content were at 10 wt% for PTFE composite. The optimum impact properties of PTFE/PA6/BF composite on melt mixing conditions were obtained at PA6 content was 4 wt% for PTFE/PA6/BF composite. The results showed a significant improvement in mechanical properties of PTFE/PA6/BF ternary blend composite, and it is useful for the development of an applicable theoretical constitutive composite materials model.
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