The Effect of Surface Modification on the Interfacial Feature of Polystyrene Composite Filled with Carbon Fiber

被引：5
作者：
Nie, W. Z. [1 ]
Li, X. Z. [2 ]
Sun, F. F. [2 ]
机构：
[1] Shanghai Inst Technol, Sch Mech & Automat Engn, Shanghai 200235, Peoples R China
[2] Shouguang Expt Sch, English Grp, Shouguang, Shandong, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2010年 / 19卷 / 09期
关键词：
carbon fiber; contact angle; interfacial shear strength; single-fiber pull-out; DIRECT FLUORINATION; ADHESION; POLYCARBONATE; PARTICLES; BEHAVIOR;
D O I：
10.1007/s11665-010-9601-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The quality of interfacial interaction is dictated by the surface chemistry of the carbon fibers and the composition of the matrix. The composition of polystyrene was modified by the addition of maleic anhydride-grafted polystyrene (MAH-g-polystyrene). The surface properties of various matrix formulations were characterized by contact angle measurements. Carbon fibers were modified by nitric acid oxidation. The surface composition of the carbon fibers was characterized. The interaction between modified polystyrene and the carbon fibers was studied by single-fiber pull-out tests. The best adhesion behavior was achieved between polystyrene-containing grafted MAH and nitric acid-oxidized carbon fibers. The addition of MAH-g-polystyrene to the unmodified polystyrene caused the interfacial shear strength to increase. The apparent interfacial shear strength of this fiber-matrix combination allowed for the utilization of 100% of the yield tensile strength of polystyrene.
引用
收藏
页码：1240 / 1243
页数：4
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