CAJ | 학술논문

采用从高铝粉煤灰中提取的空心微珠为填料制备了高铝微珠/环氧树脂复合材料，并研究了复合材料的冲击强度及其冲蚀磨损特性。从冲蚀磨损机理、耐磨性能以及冲击性能方面分析，确定聚酰胺650是环氧树脂比较理想的固化剂。硅烷偶联剂改善了空心微珠与环氧树脂基体的相容性，有效地提高了环氧树脂的耐冲蚀磨损性能。当空心微珠的加入量较少时，复合材料的冲击强度及耐冲蚀磨损性能并没有得到明显改善；当空心微珠质量分数达到3%时，复合材料的冲击强度达到最大值，耐冲蚀磨损性能也有明显的提高，而在空心微珠质量分数为4%时复合材料的耐冲蚀磨损性能最佳，从而最终确定高铝粉煤灰空心微珠合适的填充量为3%~4%。
채용종고려분매회중제취적공심미주위전료제비료고려미주/배양수지복합재료，병연구료복합재료적충격강도급기충식마손특성。종충식마손궤리、내마성능이급충격성능방면분석，학정취선알650시배양수지비교이상적고화제。규완우련제개선료공심미주여배양수지기체적상용성，유효지제고료배양수지적내충식마손성능。당공심미주적가입량교소시，복합재료적충격강도급내충식마손성능병몰유득도명현개선；당공심미주질량분수체도3%시，복합재료적충격강도체도최대치，내충식마손성능야유명현적제고，이재공심미주질량분수위4%시복합재료적내충식마손성능최가，종이최종학정고려분매회공심미주합괄적전충량위3%~4%。
Epoxy resin composites filled with high-alumina fly ash cenospheres were prepared in this paper. Their impact strength and erosive wear behaviors were investigated by impact test and erosive wear test. Polyamide 650 was determined as an ideal curing agent to epoxy resin according to the erosion wear mechanism, wear resistance and impact performance. Silane coupling agent improves the compatibility of the cenospheres and the epoxy resin matrix, which effectively increases the erosion resistance of the composites. When the mass fraction of the cenospheres is less than 3%, the impact strength and the erosion resistance of the composites does not change obviously. When the mass fraction of the cenospheres is 3%, the impact strength reaches maximum and the erosion resistance also increases obviously. And when the mass fraction of the cenospheres is 4%, the erosion resistance is the best. As a result, the appropriate mass fraction of high-alumina cenospheres was determined ultimately to be 3% to 4%.