Production & Quality
8 مشاهدة
Products becoming brittle at low temperature
ظاهرة المشكلة
The product obviously becomes brittle and breaks in low-temperature environments (such as -20°C)
تحليل الأسباب
The service temperature is below the material's embrittlement temperature; the Tg of the toughening phase (rubber phase) is higher than the service temperature, losing the toughening effect; the product has stress concentration design
الحل
Select toughening components with lower Tg; optimize product design to reduce stress concentration; add low-temperature impact modifiers
الخلاصة الأساسية
Low-temperature toughness is an important consideration for outdoor and cold-region applications
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