Interface properties of carbon fiber reinforced cyanate/epoxy resin composites at cryogenic temperature

被引：4

作者：

Yan, Meiling ^{[1
]}

Zhang, Chengwei ^{[2
]}

Jiao, Weicheng ^{[1
]}

Li, Jun ^{[1
]}

Huang, Yifan ^{[1
]}

Chu, Zhenming ^{[1
]}

Chen, Xiaodan ^{[3
]}

Shen, Feng ^{[4
]}

Wang, Yong ^{[5
]}

Wang, Rongguo ^{[1
]}

He, Xiaodong ^{[1
,6
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Sci & Technol Adv Composites Special, Harbin 150080, Peoples R China

[2] China Aerosp Sci & Technol Corp, Res Inst Aerosp Special Mat & Technol, Beijing, Peoples R China

[3] Heilongjiang Univ Sci & Technol, Sch Comp & Informat Engn, Harbin, Peoples R China

[4] Shanghai Composites Sci & Technol Co Ltd, Shanghai, Peoples R China

[5] China Aerosp Sci & Technol Corp, Shanghai Aerosp Syst Engn Res Inst, Shanghai, Peoples R China

[6] Shenzhen STRONG Adv Mat Res Inst Co Ltd, Shenzhen, Guangdong, Peoples R China

来源：

JOURNAL OF POLYMER ENGINEERING | 2020年 / 40卷 / 04期

基金：

中国国家自然科学基金;

关键词：

carbon fiber reinforced plastics (CFRPs); cryogenic temperature; fracture toughness; interface/interphase; FRACTURE-TOUGHNESS; MECHANICAL-PROPERTIES; MODE-I; INTERLAMINAR FRACTURE; POLYMER COMPOSITES; FATIGUE; STRENGTH; PREDICTION; BEHAVIOR; FAILURE;

D O I：

10.1515/polyeng-2019-0339

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This study focuses on the influence of cryogenic temperature on the interface of carbon fiber reinforced plastics (CFRPs). Results of interfacial shear strength (IFSS) and mode II interlaminar fracture toughness (G(HC)) at -196 degrees C increased by 15.3% and 27.6% compared to the condition at room temperature (RT). By measuring the IFSS at -196 degrees C, a new experimental method was designed based on microbond test. The layer shear fracture morphologies of CFRP were observed by atomic force microscopy and scanning electron microscopy, respectively. In order to study the interlaminar fracture mechanism, the interface and resin fracture hybrid model was built, and the shear-lag theory of interfacial toughness was adopted to analyze the energy release rate (G(dc)) of microbond. The results showed that the G(dc) value was increased by 11.5% from RT to -196 degrees C temperature. A higher G(HC) of CFRP was dominated by the higher IFSS and resin energy absorption at -196 degrees C.

引用

页码：291 / 299

页数：9

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