Simultaneous toughening and strengthening of CF/EP composites through bi-component thermoplastics with hybrid phases between composite layers

复合材料 增韧 复合数 材料科学 组分(热力学) 韧性 物理 热力学
作者
Yi Xue,Zhaoyang Li,Jiamei Luo,Xueqin Yang,Zehao Yang,Yanhua Shi,Yong Liu,Yu Ma,Hui Zhang,Jianyong Yu
出处
期刊:Composites Part B-engineering [Elsevier BV]
卷期号:274: 111286-111286 被引量:6
标识
DOI:10.1016/j.compositesb.2024.111286
摘要

In this work, bi-component polyaryletherketone-cardo/polyethersulfone (PEK-C/PES) films with different areal densities were designed and fabricated by phase inversion approach, applied as interleaves to simultaneously toughen and strengthen the carbon fiber/epoxy resin (CF/EP) composites prepared by vacuum-assisted resin infusion process (VARI). Optical microscopy observations manifested that the PEK-C/PES films could maintain stability at the infusion temperature of epoxy resin. Nonetheless, PEK-C/PES films could dissolve into the epoxy resin at heating and initial stages of curing, by which the distribution of PEK-C and PES between the layers of CF/EP composites could be effectively controlled. Interestingly, both Mode I and Mode II fracture toughness of the CF/EP composites interleaved with PEK-C/PES films of optimal areal density (22.0 gsm) increased by 135.3% and 51.6%, respectively, compared with the untoughened composites. Furthermore, the PEK-C/PES films resulted in a 62.4% improvement in the compression-after-impact (CAI) strength CF/EP composites. Additionally, observation of the fracture surfaces of Mode I and Mode II specimens by scanning electron microscopy revealed that PEK-C had good compatibility with epoxy resin and formed a "scale-like" phase structure, which significantly improved the toughness of the CF/EP composites. While the "sea island-like" microspheres developed by PES between the CF/EP composite layers could cause the deflection and termination of cracks, thus enlarging the surface area of cracks. In addition, the tensile, flexural, and interlaminar shear properties of CF/EP composites were moderately enhanced, attributed to the incorporation of PEK-C/PES films. This cost-effective approach reconciles efficiently the conflict of the interlaminar toughness and mechanical properties of composites for fabricating high toughness CF/EP composites.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
罗一完成签到,获得积分10
1秒前
3秒前
丘比特应助wu采纳,获得10
6秒前
俏皮芷蕊发布了新的文献求助30
6秒前
称心的菲鹰完成签到,获得积分10
7秒前
碧蓝问安发布了新的文献求助10
8秒前
8秒前
打打应助ZZZ采纳,获得10
10秒前
14秒前
呆萌板凳发布了新的文献求助10
14秒前
hp关闭了hp文献求助
15秒前
16秒前
都选C完成签到,获得积分10
17秒前
壮观以松完成签到,获得积分10
17秒前
Liufgui应助郭小宝采纳,获得20
17秒前
heli完成签到,获得积分10
19秒前
如意枫叶发布了新的文献求助10
20秒前
都选C发布了新的文献求助10
21秒前
英俊的铭应助淡烟流水采纳,获得10
22秒前
22秒前
Miracle完成签到,获得积分10
24秒前
28秒前
wu发布了新的文献求助10
28秒前
忧心的听双完成签到,获得积分10
28秒前
Timon完成签到,获得积分10
29秒前
深情安青应助Miracle采纳,获得10
30秒前
李健应助猪猪hero采纳,获得10
30秒前
kingwill应助Harlotte采纳,获得60
30秒前
张雯思发布了新的文献求助10
31秒前
西瓜刀发布了新的文献求助10
31秒前
寒冷的发箍完成签到,获得积分10
33秒前
33秒前
33秒前
34秒前
wu完成签到,获得积分10
34秒前
orixero应助张大英采纳,获得10
34秒前
36秒前
heli发布了新的文献求助10
36秒前
37秒前
猪猪hero发布了新的文献求助10
37秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989242
求助须知:如何正确求助?哪些是违规求助? 3531393
关于积分的说明 11253753
捐赠科研通 3270010
什么是DOI,文献DOI怎么找? 1804868
邀请新用户注册赠送积分活动 882084
科研通“疑难数据库(出版商)”最低求助积分说明 809136