Molding Process
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Product creep performance substandard
Fenómeno del problema
The product continuously deforms under long-term constant load
Análisis de la causa
Pure PP has poor creep resistance; stress relaxation at the fiber-matrix interface; glass fiber orientation inconsistent with the load direction
Solución
Increase glass fiber content to enhance creep resistance; use high molecular weight PP to improve matrix creep resistance; optimize fiber orientation to be parallel to the main load direction
Conclusión clave
The creep performance of LGFPP depends on effective load transfer of the fiber skeleton
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