Extrusion & Post
10 조회수
Glass Fibre dimension changes greatly with temperature
문제 현상
Glass Fibre product dimension changes >2% in -20 to 60°C range
원인 분석
Glass Fibre thermal expansion coefficient large; crystallinity too low causes high dimensional temperature sensitivity; no annealing treatment, residual stress present
해결 방법
1) Add rigid filler to reduce thermal expansion coefficient; 2) annealing treatment to stabilize dimensions; 3) select high crystallinity grade to reduce temperature sensitivity
핵심 요약
Dimensional temperature sensitivity is caused by large thermal expansion coefficient; adding filler and annealing are key
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