Extrusion & Post
11 görüntüleme
EEA Large Dimensional Change with Temperature
Sorun Belirtisi
EEA product dimensions change >2% in the range of -20 to 60°C
Neden Analizi
EEA thermal expansion coefficient large; low crystallinity leads to high dimensional temperature sensitivity; no annealing treatment, residual stress exists
Çözüm
1) Add rigid fillers to reduce the thermal expansion coefficient; 2) Annealing treatment to stabilize dimensions; 3) Select high-crystallinity grades to reduce temperature sensitivity
Temel Çıkarım
Dimensional temperature sensitivity is caused by the large thermal expansion coefficient; adding filler and annealing are key
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