Immediate and fatigue strength of polyamide reinforced with glass microspheres and fibres
The immediate and fatigue strength of composites from polyamide-6 containing 58% by weight of glass reinforcement in the form o f fibres and microspheres and differing in the relative amount of both reinforcements has been investigated. The exposure time in aging tests was from 1 to 24 months. It has been demonstrated that the addition of microspheres increases the fatigue strength and decreases the immediate strength of composites. A high value of the fatigue resistance coefficient for composites filled with microspheres only (much higher than the value of this coefficient for pure polymer matrix) justifies its potential applications in the construction of sliding blocks.
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