Mechanical mapping of the interphase in carbon fiber reinforced poly(ether-ether-ketone) composites using peak force atomic force microscopy: interphase shrinkage under coupled ultraviolet and hydro-thermal exposure

被引：36
|
作者：
Niu, Yi-Fan [1 ]
Yang, Ying [1 ]
Gao, Sai [1 ]
Yao, Jia-Wei [1 ]
机构：
[1] Civil Aviat Univ China, Sinoeuropean Inst Aviat Engn, Tianjin 300300, Peoples R China
来源：
POLYMER TESTING | 2016年 / 55卷
基金：
中国国家自然科学基金;
关键词：
Polymer matrix composites (PMCs); Interphase; Atomic force microscopy (AFM); Mechanical mapping; Shrinkage; POLYMER COMPOSITES; HYBRID COMPOSITES; UV EXPOSURE; NANOINDENTATION; RESPONSES; ADHESION;
D O I：
10.1016/j.polymertesting.2016.09.008
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The interphase size and properties of carbon fiber reinforced poly(ether-ether-ketone) composites (T300/PEEK) were quantitatively characterized using Peak Force Quantitative Nano-Mechanics (PF-QNM) with atomic force microscopy (AFM). The elastic modulus maps of the interfacial region were obtained, and the interphase dimension was determined based on the elastic modulus profile. The interphase thickness of T300/PEEK under coupled ultraviolet (UV) and hydro-thermal degradation decreased from 70.1 +/- 8.6 to 18.3 +/- 1.8 nm after 1560 h of exposure. The shrinkage of interphase size was attributed to the embrittlement of PEEK after crosslinking reactions induced by UV exposure. This technique shows a great potential in the quantitative measurement of nanomechanics relevant in polymer and polymer composites, where the structure and properties of the interphase are of special interest. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：257 / 260
页数：4
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