工程塑料应用
工程塑料應用
공정소료응용
ENGINEERING PLASTICS APPLICATION
2014年
5期
30-33
,共4页
高密度聚乙烯%碳纤维%纳米CaCO3%复合材料%力学性能
高密度聚乙烯%碳纖維%納米CaCO3%複閤材料%力學性能
고밀도취을희%탄섬유%납미CaCO3%복합재료%역학성능
PE-HD%carbon fiber%nanometer calcium carbonate%composite%mechanical property
针对高密度聚乙烯(PE-HD)/碳纤维(CF)二元复合材料随CF含量的增加,拉伸强度和弯曲强度增大、冲击强度却逐渐下降的情况,在二元体系中添加纳米CaCO3制得PE-HD/CF/CaCO3三元复合材料,对比分析了两种复合材料的力学性能,并采用扫描电子显微镜对三元复合材料的冲击断面进行观察。结果表明,纳米CaCO3的加入使得三元复合材料的拉伸强度略有降低,但弯曲强度和冲击强度在一定范围内增大;当纳米CaCO3含量为10份时,复合材料的综合力学性能最佳。
針對高密度聚乙烯(PE-HD)/碳纖維(CF)二元複閤材料隨CF含量的增加,拉伸彊度和彎麯彊度增大、遲擊彊度卻逐漸下降的情況,在二元體繫中添加納米CaCO3製得PE-HD/CF/CaCO3三元複閤材料,對比分析瞭兩種複閤材料的力學性能,併採用掃描電子顯微鏡對三元複閤材料的遲擊斷麵進行觀察。結果錶明,納米CaCO3的加入使得三元複閤材料的拉伸彊度略有降低,但彎麯彊度和遲擊彊度在一定範圍內增大;噹納米CaCO3含量為10份時,複閤材料的綜閤力學性能最佳。
침대고밀도취을희(PE-HD)/탄섬유(CF)이원복합재료수CF함량적증가,랍신강도화만곡강도증대、충격강도각축점하강적정황,재이원체계중첨가납미CaCO3제득PE-HD/CF/CaCO3삼원복합재료,대비분석료량충복합재료적역학성능,병채용소묘전자현미경대삼원복합재료적충격단면진행관찰。결과표명,납미CaCO3적가입사득삼원복합재료적랍신강도략유강저,단만곡강도화충격강도재일정범위내증대;당납미CaCO3함량위10빈시,복합재료적종합역학성능최가。
With the increase of carbon fiber(CF) content in PE-HD/CF composites,the tensile strength and bending strength increased,but the impact strength decreased gradually.To overcome the defect,PE-HD/CF composites was blended with nanometer CaCO3,so PE-HD/CF/CaCO3 ternary composites were obtained.The mechanical properties of PE-HD/CF composites and PE-HD/CF/CaCO3 were analyzed,and the impact fracture surface of ternary composites was observed by SEM. The results showed that the tensile strength of PE-HD/CF/CaCO3 ternary composites reduced slightly than the binary composites,but the bending strength and impact strength increased in a certain range.The ternary composites had the best mechanical properties when nanometer CaCO3 content was 10phr.