玄武岩纤维长度对麦秸秆/PBS发泡复合材料力学性能的影响
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摘要
以麦秸秆/PBS发泡复合材料为基础,玄武岩纤维(BF)为增强纤维,制备了BF/WS/PBS发泡复合材料.研究了BF纤维长度对WS/PBS发泡复合材料力学性能的影响.结果表明,BF纤维的添加使复合材料的力学性能显著提高,随着BF纤维长度的增加,复合材料的弯曲强度和弯曲模量先增大后减小,拉伸强度和冲击强度随纤维长度的增加而下降.当BF-WS总量为10%时,3 mm BF纤维增强复合材料拉伸强度比未添加BF纤维的提高了14.6%,6 mm BF纤维增强复合材料的弯曲强度达到最大值29.64 MPa,击强度分别比未添加BF纤维的提高了47.6%.当BF-WS总量增加至20%时,3 mm BF纤维的承载效果更加明显,其拉伸强度比未添加BF纤维的复合材料提高了27.5%.
Based on wheat straw/PBS foam composites,basalt fiber(BF) was used as reinforcing fiber,and BF/WS/PBS foam composites were prepared.The effect of BF fiber length on the mechanical properties of WS/PBS foam composites was studied.The results show that the mechanical properties of the composites increase significantly with the addition of BF fibers. With the increase of the length of BF fiber,the flexural strength and flexural modulus of the composites increased and then decreased.When the total amount of BF-WS is 10%,the tensile strength of 3 mm BF fiber reinforced composites is 14.6% higher than that of non-added BF fibers,and the bending strength of 6 mm BF fiber reinforced composites reaches the maximum value of 29.64 MPa,compared with the addition of BF fiber increased by 47.6%. When the total amount of BF-WS is increased to 20%,the bearing effect of 3 mm BF fiber is more obvious,and its tensile strength is 27. 5% higher than that of the composite without BF.
Based on wheat straw/PBS foam composites,basalt fiber(BF) was used as reinforcing fiber,and BF/WS/PBS foam composites were prepared.The effect of BF fiber length on the mechanical properties of WS/PBS foam composites was studied.The results show that the mechanical properties of the composites increase significantly with the addition of BF fibers. With the increase of the length of BF fiber,the flexural strength and flexural modulus of the composites increased and then decreased.When the total amount of BF-WS is 10%,the tensile strength of 3 mm BF fiber reinforced composites is 14.6% higher than that of non-added BF fibers,and the bending strength of 6 mm BF fiber reinforced composites reaches the maximum value of 29.64 MPa,compared with the addition of BF fiber increased by 47.6%. When the total amount of BF-WS is increased to 20%,the bearing effect of 3 mm BF fiber is more obvious,and its tensile strength is 27. 5% higher than that of the composite without BF.
引文
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[2]冯莉,谢渭仁,赵春雁.木塑复合材料弯曲性能影响因素研究[J].塑料工业,2016,44(5):93-95.
[3]唐禹,梁嘉鸣,梁兵.聚烯烃基木塑复合材料增强改性的研究进展[J].化工新型材料,2016,44(8):20-22.
[4]杜虎虎,王伟宏,王海刚,等.木纤维含量对木塑复合材料蠕变特性的影响[J].建筑材料学报,2015,18(2):333-339.
[5]吴玲燕,陆绍荣,李裕祺,等.PP/MCC/H20-g-SA木塑复合材料的制备及性能研究[J].塑料工业,2016,44(1):101-104.
[6]张涛,杨双燕,高晓菊.木塑复合材料力学性能的影响因素探讨[J].科技创新导报,2015,12(25):64-65.
[7]杜凤,王伟宏.碳纤维增强木粉/聚乙烯复合材料的制备及其力学性能[J].南京林业大学学报(自然科学版),2015,39(2):132-136.
[8]徐朝阳,李健昱,苏文迪,等.玄武岩纤维增强橡胶木粉/回收HDPE复合材料性能的研究[J].塑料工业,2016,44(3):128-130.
[9]杨莉,徐文正.聚乳酸/玄武岩纤维复合材料的制备及性能研究[J].中国塑料,2016,30(11):48-52.
[10]邓鹏飞,裴熙林,王振兴,等.玄武岩纤维/聚丙烯复合材料力学性能的研究[J].广州化工,2017,45(3):45-47.
[11]杨越飞,徐建锋,赖佳佳,等.玄武岩纤维改进亚麻纤维/不饱和聚酯复合材料的耐候性[J].农业工程学报,2015,31(8):308-314.
[12]冯宗东,吕云伟,高学敏,等.玄武岩纤维增强高密度聚乙烯的力学性能[J].工程塑料应用,2016,44(12):110-114.
[13]Fu S Y,Lauke B.Effects of fiber length and fiber orientation distributions on the tensile strength of short-fiber-reinforced polymers[J].Composites Science&Technology,1996,56(10):1 179-1 190.
[14]Dhand V,Mittal G,Rhee K Y,et al.A short review on basalt fiber reinforced polymer composites[J].Composites Part B Engineering,2015,73:166-180.
[15]Rezaei F,Yunus R,Ibrahim N A.Effect of fiber length on thermomechanical properties of short carbon fiber reinforced polypropylene composites[J].Materials&Design,2009,30(2):260-263.
[16]张民杰.玄武岩纤维临界长度及增强木塑复合材料性能研究[D].武汉:武汉理工大学,2014.
[17]Greco A,Maffezzoli A,Casciaro G,et al.Mechanical properties of basalt fibers and their adhesion to polypropylene matrices[J].Composites Part B Engineering,2014,67:233-238.
[18]Wang Y,Wang X,Wu D.Mechanical and tribological enhancement of polyoxymethylene-based composites with long basalt fiber through melt pultrusion[J].Composite Interfaces,2016(8):1-19.