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1.宁夏大学 机械工程学院,宁夏 银川 750021
2.宁夏大学 材料与新能源学院, 宁夏 银川 750021
3.宁夏银星能源股份有限公司,宁夏 银川 750021
4.宁夏龙源新能源有限公司,宁夏 银川 750011
5.宁夏机械工程学会,宁夏 银川 750001
Received:11 June 2023,
Published:25 March 2026
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张庆敖,瞿立,康少付,等.硅粉填充改性GFRP的力学性能及其增强机理[J].西北工程技术学报(中英文),2026,25(1):70-76.
ZHANG Qingao,QU Li,KANG Shaofu,et al.Mechanical Properties and Strengthening Mechanism of Silica Powder Modified GFRP[J].Journal of Northwest Engineering Technology,2026,25(01):70-76.
张庆敖,瞿立,康少付,等.硅粉填充改性GFRP的力学性能及其增强机理[J].西北工程技术学报(中英文),2026,25(1):70-76. DOI: 10.26974/j.cnki.XBGC.2026.01.010.
ZHANG Qingao,QU Li,KANG Shaofu,et al.Mechanical Properties and Strengthening Mechanism of Silica Powder Modified GFRP[J].Journal of Northwest Engineering Technology,2026,25(01):70-76. DOI: 10.26974/j.cnki.XBGC.2026.01.010.
基于真空辅助树脂传递模塑(VARTM)工艺,采用微米硅粉对玻璃纤维增强聚合物(GFRP)复合材料进行填充改性,探究硅粉质量分数对GFRP弯曲强度、短梁剪切强度和V型缺口梁面内剪切强度的影响规律,并通过扫描电子显微镜(SEM)和动态热机械分析仪(DMA)揭示其增强和耐热性机理。结果表明:当硅粉质量分数为1.0%时,复合材料弯曲强度、短梁剪切强度和面内剪切强度较未改性材料分别提高了22%,23%,17.4%,玻璃化转变温度(
T
g
)提高了3.8 ℃;此时硅颗粒在树脂基体中分散较为均匀,与玻璃纤维黏附性较好,起到“机械啮合”作用,有效提升了材料强度。同时,均匀分散的无机粒子可引发裂纹偏转,延缓裂纹扩展及宏观裂纹的产生,从而提高复合材料的韧性。当硅粉质量分数进一步增大时,硅粉颗粒会发生团聚,减弱了纤维/树脂的界面结合,导致复合材料强度不增反降。无机粒子的引入增大了环氧树脂链的交联密度,提高了树脂体系的热容和热导率,进而提高了复合材料的耐热性。
This study employs the vacuum-assisted resin transfer molding (VARTM) process to modify glass fiber reinforced polymer (GFRP) using micron-sized silica powder. The influence of silica powder content on the flexural strength, short beam shear strength, and in-plane shear strength of the V-notched beam of GFRP was examined. The enhancement and thermal resistance mechanisms of the modified fiber composites are elucidated through scanning electron microscopy (SEM) and dynamic thermomechanical analyzer
(DMA). The results show that at a silica power content of 1%, the flexural strength, short beam shear strength, and in-plane shear strength of the composite increase by 22%, 23% and 17.4%, respectively, compared to the unmodified material, while the glass transition temperature (
T
g
) rises by 3.8 ℃. At this optimal silica content, the silica particles are well-distributed in the resin matrix and exhibit good adhesion to the glass fibers, facilitating a mechanical interlocking effect that enhances material strength. Additionally, uniformly dispersed inorganic particles promote crack deflection, delay crack propagation, and inhibit the formation of macro-cracks, thus improving the toughness of the composite. However, further increasing the silica power leads to particle agglomeration, which diminished the inerfacial bonding between the fibers and the resin, resulting in a decrease in composite strength. Moreover, the introduction of inorganic particles enhances the crosslinking density of epoxy resin chains, improving the heat capacity and thermal conductivity of the resin system, consequently enhancing the heat resistance of the composite materials.
陈祥宝 . 先进树脂基复合材料的发展 [J]. 航空材料学报 , 2000 , 20 ( 1 ): 46 - 54 .
Rajak D K , Wagh P H , Linul E . Manufacturing technologies of carbon/glass fiber-reinforced polymer composites and their properties: A review [J]. Polymers , 2021 , 13 ( 21 ): 3721 .
王慧 , 王秀玲 , 丁著明 . 无机纳米粒子在环氧树脂增韧改性中的应用 [J]. 热固性树脂 , 2018 ( 6 ): 55 - 65 .
Basturk S B . Effect of methyl orange as the modifier on the mechanical, thermal, and thermo-mechanical properties of clay/epoxy composites [J]. Journal of Applied Polymer Science , 2022 , 139 ( 7 ): 51638 .
Miranda T B , Silva G G . Hierarchical microstructure of nanoparticles of calcium carbonate/epoxy composites: Thermomechanical and surface properties [J]. Express Polymer Letters , 2020 , 14 ( 2 ): 179 - 191 .
Goyat M S , Rana S , Halder S , et al . Facile fabrication of epoxy-TiO 2 nanocomposites: A critical analysis of TiO 2 impact on mechanical properties and toughening mechanisms [J]. Ultrasonics Sonochemistry , 2018 , 40 ( Pt A ): 861 - 873 .
Agrawal A , Satapathy A . Experimental investigation of micro-sized aluminium oxide reinforced epoxy composites for microelectronic applications [J]. Procedia Materials Science , 2014 , 5 : 517 - 526 .
Martone A , Formicola C , Giordano M , et al . Reinforcement efficiency of multi-walled carbon nanotube/epoxy nano composites [J]. Composites Science and Technology , 2010 , 70 ( 7 ): 1154 - 1160 .
唐梦龙 , 于思荣 , 孙伟松 , 等 . 氧化石墨烯/环氧树脂复合材料的制备与性能 [J]. 功能材料 , 2016 , 47 ( 增刊1 ): 143 - 147 .
Ding J L , Cheng L . Ultra-high three-point bending fatigue performance of nano-silica-reinforced CFRP [J]. International Journal of Fatigue , 2021 , 145 : 106085 .
American Society for Testing Materials . Standard test methods for constituent content of composite materials : ASTM D3171 [S]. West Conshohocken : ASTM International , 2015 .
American Society for Testing Materials . Standard test method for flexural properties of polymer matrix composite materials : ASTM D7264/D7264M-15 [S]. West Conshohocken : ASTM International , 2015 .
American Society for Testing Materials . Standard test method for short beam strength of polymer matrix composite materials and their laminates : ASTM D2344/D2344M-16 [S]. West Conshohocken : ASTM International , 2016 .
American Society for Testing Materials . Standard test method for shear properties of composite materials by the V-notched beam method : ASTM D5379/D5379M-12 [S]. West Conshohocken : ASTM International , 2012 .
宋斌 . 荧光硅纳米材料的制备、功能化及光学应用基础研究 [D]. 苏州 : 苏州大学 , 2019 .
唐晋 , 管晓纳 , 何明骏 , 等 . 无机颗粒增强聚合物基复合材料耐磨性能影响因素研究进展 [J]. 复合材料学报 , 2015 , 32 ( 6 ): 1547 - 1557 .
Thiagarajan A , Velmurugan K , Sangeeth P P . Synthesis and mechanical properties of pistachio shell filler on glass fiber polymer composites by VARIM process [J]. Materials Today: Proceedings , 2021 , 39 : 610 - 614 .
Siot A , Longuet C , Léger R , et al . Correlation between process and silica dispersion/distribution into composite: Impact on mechanical properties and Weibull statistical analysis [J]. Polymer Testing , 2018 , 70 : 92 - 101 .
Liu Y L , Shen S J , Long L , et al . The research progress on the treatment of glass fiber surface by coupling agent [J]. Insulating Materials , 2010 , 43 : 34 - 39 .
何宏伟 . 碳纤维/环氧树脂复合材料改性处理 [M]. 北京 : 国防工业出版社 , 2014 .
秦月 . 纳米碳酸钙/玻璃微珠共增强碳纤维/尼龙6复合材料的制备与力学性能 [D]. 西安 : 西安建筑科技大学 , 2019 .
Wang W , Han C Y , Wang X H , et al . Enhanced rheological properties and heat resistance of poly (propylene carbonate) composites with carbon fiber [J]. Composites Communications , 2020 , 21 : 100422 .
曲忠先 , 焦剑 , 王雪荣 , 等 . 无机纳米粒子填充改性环氧树脂研究进展 [J]. 热固性树脂 , 2006 , 21 ( 1 ): 45 - 48 .
郑亚萍 . 纳米SiO 2 对环氧树脂浇铸体性能的影响 [J]. 西北工业大学学报 , 2002 , 20 ( 3 ): 492 - 496 .
Niu Y A , Zheng S J , Song P G , et al . Mechanical and thermal properties of PEEK composites by incorporating inorganic particles modified phosphates [J]. Composites Part B: Engineering , 2021 , 212 : 108715 .
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