以Weibull统计理论和最弱连接理论为基础,分析了甘蔗渣纤维的统计强度和强度分布,研究了其纤维增强可降解复合材料的拉伸强度.结果表明,甘蔗渣纤维的拉伸统计强度符合二参数的Weibull分布.扫描电镜的观察显示,甘蔗渣纤维的横断面呈现多孔状结构,成型后受到压缩而变得致密,增加了材料的拉伸强度.与复合材料拉伸强度常用预测模型相比,结合了纤维压缩率预测模型的预测计算值与实验值相符程度更好.
参考文献
| [1] | Biliba K;Arsene M A;Quensanga A .[J].Cenment Concrete Comp,2003,25:91. |
| [2] | Paiva J M F;Frollini E .[J].Journal of Applied Polymer Science,2002,83:880. |
| [3] | Cao Y;Shibata S;Fukumoto I .[J].Composites Part A:Applied Science and Manufacturing,2006,37(03):423. |
| [4] | Cao Y;Shibata S;Fukumoto I .Fabrication and flexural properties of bagasse fiber reinforced biodegradable composites[J].Journal of Macromolecular Science. Physics,2006(4):463-474. |
| [5] | 曹勇,陈鹤梅.甘蔗渣纤维增强可降解复合材料的制备与弯曲模量的预测[J].高分子材料科学与工程,2006(04):188-191,195. |
| [6] | Gurvich MR.;Pegoretti A.;Dibenedetto AT. .EVALUATION OF THE STATISTICAL PARAMETERS OF A WEIBULL DISTRIBUTION[J].Journal of Materials Science,1997(14):3711-3716. |
| [7] | Weibull W J .[J].Journal of Applied Mechanics,Transactions of the ASME,1951,18:293. |
| [8] | Goda K.;Netravali AN.;Park JM. .A NEW THEORY TO OBTAIN WEIBULL FIBRE STRENGTH PARAMETERS FROM A SINGLE-FIBRE COMPOSITE TEST[J].Journal of Materials Science,1995(10):2722-2728. |
| [9] | Colemen B D .[J].Journal of the Mechanics and Physics of Solids,1958,7:60. |
| [10] | Fukuda H;Chou T W .[J].Journal of Materials Science,1982,17:1003. |
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