Interfacial Structure Analyses of Single Carbon Fiber-Embedded Polymers by In Situ X-ray Scattering and Birefringence Measurements

被引：2

作者：

Todaka, Masatoshi ^{[1
]}

Obayashi, Kakeru ^{[2
]}

Kawatoko, Ryosuke ^{[2
]}

Kojio, Ken ^{[1
,2
,3
,4
,5
]}

机构：

[1] Kyushu Univ, Inst Mat Chem & Engn, Fukuoka 8190395, Japan

[2] Kyushu Univ, Grad Sch Engn, Fukuoka 8190395, Japan

[3] Kyushu Univ, Res Ctr Negat Emiss Technol, Fukuoka 8190395, Japan

[4] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Fukuoka 8190395, Japan

[5] Kyushu Univ, Ctr Polymer Interface & Mol Adhes Sci, Fukuoka 8190395, Japan

来源：

ACS APPLIED POLYMER MATERIALS | 2023年 / 6卷 / 01期

关键词：

carbon fiber; epoxy resin; polycarbonate; small/wide-angle X-ray scattering; birefringence; interfacial properties; EPOXY COMPOSITES; POLYAMIDE; 6; DEFORMATION; DIFFRACTION; SAXS; FRACTURE; MODULUS; STRAIN; RESINS;

D O I：

10.1021/acsapm.3c01959

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single carbon fiber (CF)-embedded thermoset epoxy resin (EP) and thermoplastic polycarbonate (PC) specimens were prepared to clarify the interfacial interaction between CF and a matrix polymer and the deformation behavior of the carbon fiber and a matrix polymer. Stress-strain curves of EP and PC samples including and excluding CFs showed yields at approximately 70 MPa. In situ polarized high-speed camera images of the samples revealed the effect of CF on stress propagation. Moreover, the retardation of the fiber/polymer interface was large and that of PC was higher than that of EP. Microbeam small/wide-angle X-ray scattering measurements revealed that the orientation of the polymer chains near the CF and the turbostratic structure of the CFs occurred for both EP and PC; craze formation was suppressed because of CF during the deformation process for PC.

引用

页码：298 / 307

页数：10

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