Material Analysis
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MP large creep deformation
Fenómeno del problema
MP product creep >5% under long-term load, exceeding the 2% requirement
Análisis de la causa
MP elastomer inherently large creep; molecular weight low, poor creep resistance; not crosslinked, large plastic flow
Solución
1) select a high molecular weight grade; 2) slight crosslinking 0.3wt% DCP to reduce plastic flow; 3) add rigid filler to reduce creep
Conclusión clave
large creep is caused by the elastomer nature; slight crosslinking and rigid filler are key
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