Material Analysis
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PEEK composite interfacial debonding
Fenómeno del problema
Fiber pull-out and debonding occur in fiber reinforced PEEK during use
Análisis de la causa
The interfacial bonding force between fibers and the PEEK matrix is insufficient to transfer load; the sizing treatment agent on the fiber surface cannot withstand PEEK high-temperature processing; the interface weakens during long-term thermal aging
Solución
Select a PEEK dedicated high-temperature sizing agent for fiber surface treatment; plasma treatment to increase fiber surface activity; optimize molding temperature and pressure to promote impregnation
Conclusión clave
Interface quality determines the efficiency of mechanical performance realization of composite materials
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