<strong>Technora</strong>纤维表面等离子体处理对其复合材料界面性能的影响

doi:10.11901/1005.3093.2018.692

材料研究学报

2019, Vol. 33

Issue (6): 461-466 DOI: 10.11901/1005.3093.2018.692

研究论文

本期目录 | 过刊浏览

Technora纤维表面等离子体处理对其复合材料界面性能的影响

贾彩霞^1,²,王乾¹(

),任荣²,孙福宁¹

1. 沈阳航空航天大学航空宇航学院沈阳 110136
2. 先进聚合物基复合材料辽宁省重点实验室沈阳 110136

Effect of Technora Fiber Surface Plasma Treatment on Its Composite Interface Properties

Caixia JIA^1,²,Qian WANG¹(

),Rong REN²,Funing SUN¹

1. College of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China
2. Liaoning Key Laboratory of Advanced Polymer Matrix Composites, Shenyang 110136, China

引用本文:

贾彩霞,王乾,任荣,孙福宁. Technora纤维表面等离子体处理对其复合材料界面性能的影响[J]. 材料研究学报, 2019, 33(6): 461-466.
Caixia JIA, Qian WANG, Rong REN, Funing SUN. Effect of Technora Fiber Surface Plasma Treatment on Its Composite Interface Properties[J]. Chinese Journal of Materials Research, 2019, 33(6): 461-466.

全文: PDF(5267 KB) HTML

摘要:

用扫描电子显微镜观察Technora纤维表面物理形貌并测量单丝纤维的拉伸强度以分析等离子体处理对纤维本体性能的影响，再用层间剪切强度和吸水率分别表征复合材料在室温干态和高温湿态下的界面性能，研究了等离子体处理对Technora纤维复合材料界面性能的影响。结果表明，用等离子体处理后纤维表面的物理形貌发生了显著变化，复合材料的层间剪切强度由未处理时的15.74 MPa提高到24.93 MPa，提高的幅度高达58.4%；同时，复合材料的吸水率下降而本体性能基本不受影响。上述结果表明，等离子体对Technora纤维的表面改性能有效地改善其复合材料的界面性能。

关键词 ：复合材料, Technora纤维, 等离子体, 表面形貌, 界面性能

Abstract：

Technora fiber was surface modified by plasma treatment, and then characterized by means of scanning electron microscope and single fiber tensile strength tester in terms of the fiber surface morphologies and the properties of fiber itself, respectively. Then the influence of plasma treatment on the interfacial property of Technora fiber/epoxy resin in their composites in both room temperature dry (RTD) and elevated temperature wet (ETW) conditions was assessed based on the relevant values of interlamilar shear strength and water absorption. The results show that the plasma treatment had a great influence on the surface morphology of Technora fiber. Therefore, the interlamilar shear strength of Technora/Epoxy composites with the surface modified fiber is 24.93 MPa, which increases by 58.4% in comparison to 15.74 MPa for the composite with the as received fiber, correspondingly, the ability of water absorption of the composite decreased. However, the surface modification exhibits little effect on the property of the fiber itself. It is concluded that the surface plasma treatment of the Technora fiber is a significantly favored means for the enhancement of the interfacial performance of Technora fiber/epoxy resin within their composites.

Key words： composites technora fiber plasma surface morphology interface properties

收稿日期: 2018-12-06

ZTFLH:

TB332

基金资助:辽宁省自然科学基金(20180550222);辽宁省教育厅科学研究项目(L201751);沈阳航空航天大学引进人才科研启动基金(18YB48)

作者简介: 贾彩霞，女，1984年生，讲师

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https://www.cjmr.org/CN/10.11901/1005.3093.2018.692 或 https://www.cjmr.org/CN/Y2019/V33/I6/461

图1 Technora纤维的化学结构式

表1 Technora纤维参数

表2 Technora纤维/环氧复合材料固化参数

图2 Technora纤维的SEM照片

表3 等离子体处理前后Technora单丝纤维拉伸强度

图3 Technora纤维/环氧树脂复合材料的层间剪切强度

图4 等离子体处理不同时间的Technora纤维复合材料破坏面的SEM照片

图5 Technora纤维/环氧树脂复合材料的水吸水率

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