采用短切玄武岩纤维、聚丙烯纤维、蛋白纤维(头发)和陶瓷纤维增韧碱激发矿渣/粉煤灰基地质聚合物.三点弯曲实验和力学性能结果表明玄武岩纤维的增韧效果最佳,可将其弹性模量降低39.9％;压汞仪(MIP)和扫描电镜(SEM)测试结果表明玄武岩纤维的掺入可显著改变其微观结构,孔径小于20 nm的无害孔体积含量增加,孔径大于3μm的机械孔体积含量降低,提高其密实度.玄武岩纤维可与基体发生物理复合和化学交联,而陶瓷纤维可有效阻止裂纹的扩展,聚丙烯纤维较难与基体紧密结合,蛋白纤维易于发生溶蚀或滑落.
参考文献
| [1] | Wei, B.;Cao, H.;Song, S..Environmental resistance and mechanical performance of basalt and glass fibers[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201018/19(18/19):4708-4715. |
| [2] | Tumadhir Merawi Borhan.Properties of glass concrete reinforced with short basalt fibre[J].Materials & design,2012Dec.(Dec.):265-271. |
| [3] | Louise K. Turner;Frank G. Collins.Carbon dioxide equivalent (CO2-e) emissions: A comparison between geopolymer and OPC cement concrete[J].Construction and Building Materials,2013Jun.(Jun.):125-130. |
| [4] | Zhang, Y.J.;Li, S.;Xu, D.L.;Wang, B.Q.;Xu, G.M.;Yang, D.F.;Wang, N.;Liu, H.C.;Wang, Y.C..A novel method for preparation of organic resins reinforced geopolymer composites[J].Journal of Materials Science,20105(5):1189-1192. |
| [5] | Serdar Aydin;Btilent Baradan.The effect of fiber properties on high performance alkali-activated slag/silica fume mortars[J].Composites, Part B. Engineering,20131(1):63-69. |
| [6] | 许金余;李为民;黄小明;李澎.冲击荷载作用下玄武岩纤维增强地质聚合物混凝土的变形特性[J].硅酸盐学报,2009(7):1137-1141. |
| [7] | Chuah, Samuel;Pan, Zhu;Sanjayan, Jay G.;Wang, Chien Ming;Duan, Wen Hui.Nano reinforced cement and concrete composites and new perspective from graphene oxide[J].Construction and Building Materials,2014Dec.30(Dec.30):113-124. |
| [8] | Ardanuy, Monica;Claramunt, Josep;Toledo Filho, Romildo Dias.Cellulosic fiber reinforced cement-based composites: A review of recent research[J].Construction and Building Materials,2015Mar.15(Mar.15):115-128. |
| [9] | Zhang, Y.J.;Wang, Y.C.;Xu, D.L.;Li, S..Mechanical performance and hydration mechanism of geopolymer composite reinforced by resin[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201024/25(24/25):6574-6580. |
| [10] | Zhao, X.J.;Zhang, N.;Ru, H.Q.;Liang, B.;Chen, D.L..Mechanical properties and toughening mechanisms of silicon carbide nano-particulate reinforced Alon composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2012:118-124. |
| [11] | Sara Korte;Veerle Boel;Wouter De Corte;Geert De Schutter.Static and fatigue fracture mechanics properties of self-compacting concrete using three-point bending tests and wedge-splitting tests[J].Construction and Building Materials,2014Apr.(Apr.):1-8. |
| [12] | Dey, V.;Kachala, R.;Bonakdar, A.;Mobasher, B..Mechanical properties of micro and sub-micron wollastonite fibers in cementitious composites[J].Construction and Building Materials,2015May1(May1):351-359. |
| [13] | 孙士勇;王灿;陈浩然.具有短纤维增韧界面的复合材料夹芯梁断裂机制的实验和数值研究[J].复合材料学报,2011(1):172-177. |
| [14] | Zengzhi Sun;Qinwu Xu.Microscopic, physical and mechanical analysis of polypropylene fiberreinforced concrete[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20091/2(1/2):198-204. |
| [15] | 赵庆新;董进秋;潘慧敏;郝圣旺.玄武岩纤维增韧混凝土冲击性能[J].复合材料学报,2010(6):120-125. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%