Material Analysis
11 조회수
CMC and filler interface bonding poor
문제 현상
The tensile strength of the CMC and filler composite material is instead lower than that of pure CMC, playing a negative role
원인 분석
The interface affinity between the filler and CMC is poor and no coupling agent treatment is used; the filler particles agglomerate and the dispersion particle size is >5μm; the wettability of CMC to the rigid filler is insufficient
해결 방법
1) Filler pretreatment with silane coupling agent KH-560 0.5-1wt%; 2) Add CMC compatibilizer 2-3wt% to strengthen the interface bonding; 3) Use ultrafine filler d50<2μm; 4) Twin-screw high-shear blending to ensure dispersion
핵심 요약
The interface between the elastomer and the filler requires the dual action of coupling agent and compatibilizer, otherwise the filler has a negative effect
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!