Extrusion & Post
6 조회수
PAN fiber fracture during drawing
문제 현상
Fibers break during steam drawing or hot drawing
원인 분석
Drawing temperature too low, PAN molecular chain mobility insufficient; draw ratio too large exceeding the drawing limit
해결 방법
Appropriately increase the drawing temperature (steam 100-120°C or dry heat drawing); draw in multiple stages to gradually increase the draw ratio
핵심 요약
PAN drawing is the key to improving carbon fiber orientation and strength
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