竹片/环氧乙烯基酯树脂复合材料的界面性能研究

复合材料科学与工程 ›› 2015, Vol. 0 ›› Issue (8): 51-54.

竹片/环氧乙烯基酯树脂复合材料的界面性能研究

栗洪彬¹, 李炜^2*, 董璐璐¹

1.齐齐哈尔大学轻工与纺织学院, 161006;
2.东华大学纺织学院,上海 201620

收稿日期:2015-03-31 出版日期:2015-08-28 发布日期:2021-09-14
通讯作者: 李炜,女,教授,博士生导师。
作者简介:栗洪彬(1987-),男,硕士,主要从事复合材料力学性能的研究。

STUDY ON INTERFACE PERFORMANCE IN BAMBOO REINFORCED COMPOSITES

LI Hong-bin¹, LI Wei^2*, DONG Lu-lu¹

1. College of Light Industry and Textile, Qiqihar University, Qiqihar 161006,China;
2. School of Textile, Donghua University, Shanghai 201620, China

Received:2015-03-31 Online:2015-08-28 Published:2021-09-14

摘要/Abstract

摘要： 采用不同浓度的碱与不同浓度的硅烷偶联剂对竹片进行表面改性,研究了表面改性对竹片抗拉强度及其复合材料制品界面层间剪切强度的影响。实验结果表明:适当浓度的碱处理改性方法对竹片拉伸强度和竹复合材料界面剪切强度的提高要明显优于KH550改性方法,双重改性对竹片的抗拉强度具有较好的改善效果;通过扫描电镜分析冲击断面破坏方式发现,竹片/环氧乙烯基酯树脂复合材料界面损伤模式主要表现为竹片中竹纤维抽拔断裂、基体断裂、纤维/基体界面脱粘以及剪切分层,界面性能有所改善。

关键词: 竹片, 乙烯基树酯, 碱处理, 硅烷偶联剂, 界面改性

Abstract: In this paper, with bamboo as a reinforcing material, the effects of chemical modification by alkali treatment and silane coupling agent treatment on tensile strength of bamboo and interface shear strength of bamboo reinforced composites were investigated and the failure mode of impact section of unidirectional composites was analyzed. The experimental results show that appropriate concentration of alkali treatment modification methods was better than the KH550 on the tensile strength of bamboo and interface shear strength of bamboo composites. But, the double modification has a better improvement effect. The failure mode of impact section is bamboo fiber pull-out fracture, matrix crack, fiber/matrix interfacial debonding. And, shear layer was found by SEM in unidirectional composites and the interface performance has been improved.

Key words: bamboo, vinyl ester resins, alkali treatment, KH550, interface modification

中图分类号:

TB332

栗洪彬, 李炜, 董璐璐. 竹片/环氧乙烯基酯树脂复合材料的界面性能研究[J]. 复合材料科学与工程, 2015, 0(8): 51-54.

LI Hong-bin, LI Wei, DONG Lu-lu. STUDY ON INTERFACE PERFORMANCE IN BAMBOO REINFORCED COMPOSITES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2015, 0(8): 51-54.

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