Extrusion & Post
11 görüntüleme
CEF size changes greatly with temperature
Sorun Belirtisi
The size of the CEF product changes >2% in the range of -20 to 60°C
Neden Analizi
The CEF thermal expansion coefficient is large; the crystallinity is low, resulting in high dimensional temperature sensitivity; no annealing treatment and there is residual stress
Çözüm
1) Add rigid fillers to reduce the thermal expansion coefficient; 2) Annealing treatment to stabilize the size; 3) Select high-crystallinity grades to reduce temperature sensitivity
Temel Çıkarım
Dimensional temperature sensitivity is caused by the large thermal expansion coefficient; adding fillers and annealing are the key
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