Influence of single or multi-factor coupling of temperature, humidity and load on the aging failure of adhesively bonded CFRP / aluminum alloy composite joints for automobile applications

材料科学 湿度 复合材料 使用寿命 胶粘剂 复合数 合金 相对湿度 结构工程 图层(电子) 热力学 物理 工程类
作者
Guofeng Qin,Liyun Zheng,Peiwen Mi,Yongjian Zhu,Ming Li,Jingxin Na,Yuanwu Wang
出处
期刊:International Journal of Adhesion and Adhesives [Elsevier BV]
卷期号:123: 103345-103345 被引量:19
标识
DOI:10.1016/j.ijadhadh.2023.103345
摘要

Applying materials such as CFRP (Carbon Fiber Reinforced Plastics) and aluminum alloys to automobiles is an effective way to accomplish lightweight design, thereby bringing energy conservation and emission reduction. Bonding structure is the key joining technology for dissimilar materials, but it will degrade during the automotive service by environmental temperature, humidity and load. Scholars mainly carry out accelerated aging tests by increasing the temperature or humidity, but it is hard to compare the degree of influence of temperature, humidity and load owing to the aging environments and adhesive materials are various and different. In this study, to comprehensively compare the effects of various aging environments coupled with load that may be experienced during the service life of an automobile on the aging failure of composite bonded joints, seven typical aging environments were selected, namely room temperature (RT), high temperature (HT), low temperature (LT), high/low temperature cycle (TC), immersed in water at room temperature (IRT), high temperature and high humidity (HTHH), and hygrothermal cycles (HC). Aging environments were coupled with static load to form single or multi-factor aging conditions of temperature, humidity and load. Accelerated aging tests were conducted to analyze the failure strength, failure mode and SEM microscopic fracture surface of bonded joints made of aluminum alloy and CFRP. The degree of influence of single or multi-factor coupling of temperature, humidity and load on the aging failure of bonded joints was analyzed by visual analysis and ANOVA (Analysis of Variance). The results show that single temperature, humidity or load had limited effects on the degradation of the failure strength of butt joints, while coupling effects of multiple factors are more obvious. When the aging environment was coupled with the load, the aging environment played a major role, and the load accelerated the aging rate without changing the decreasing trend caused by the aging environment. Both the adhesive and CFRP underwent different degrees of aging, the effect of load on the degree of aging of the adhesive was significantly greater than the CFRP, but the effect of aging environment on the degree of aging of adhesive and CFRP was related to the aging time. Normally, aging environment, aging time and load had significant effects on the failure strength, and the degree of influence decreased successively. As for the selection of the accelerated aging environments for the car, HC and TC environments should be preferred and the influence of load should be taken into consideration in accelerated aging tests.
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
等待毛豆完成签到,获得积分10
刚刚
石头完成签到,获得积分10
刚刚
年轻采波完成签到,获得积分10
刚刚
科研通AI2S应助乖乖隆地洞采纳,获得10
1秒前
Lu完成签到 ,获得积分10
1秒前
dongdong完成签到,获得积分10
2秒前
wwwssss完成签到 ,获得积分10
2秒前
春鸮鸟完成签到 ,获得积分10
2秒前
李健应助狐尔莫采纳,获得10
4秒前
小尘埃完成签到,获得积分10
4秒前
Zsx完成签到,获得积分10
5秒前
5秒前
金新皓发布了新的文献求助10
5秒前
泛泛之交完成签到,获得积分10
5秒前
李小胖完成签到,获得积分10
5秒前
TMOMOR应助洋洋采纳,获得10
5秒前
Lee完成签到,获得积分10
5秒前
pipashu完成签到,获得积分20
7秒前
包子完成签到,获得积分20
7秒前
张宁波完成签到,获得积分0
8秒前
usu完成签到,获得积分10
8秒前
思源应助infinite采纳,获得10
8秒前
judy891zhu完成签到,获得积分10
9秒前
zwk完成签到,获得积分10
9秒前
9秒前
9秒前
Liao完成签到,获得积分10
10秒前
张超逸完成签到,获得积分10
10秒前
橘络完成签到 ,获得积分10
10秒前
Jerry完成签到,获得积分10
11秒前
jiabu完成签到 ,获得积分10
11秒前
亚鲁完成签到,获得积分10
12秒前
在水一方应助伶俐妙海采纳,获得100
12秒前
krsL完成签到,获得积分20
12秒前
顾瞻完成签到,获得积分10
12秒前
lonf发布了新的文献求助10
12秒前
小二郎应助XL神放采纳,获得10
12秒前
赘婿应助小樊同学采纳,获得10
13秒前
开心谷秋完成签到,获得积分10
13秒前
PN_Allen完成签到,获得积分0
14秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Cognitive Neuroscience: The Biology of the Mind 1000
Technical Brochure TB 814: LPIT applications in HV gas insulated switchgear 1000
Immigrant Incorporation in East Asian Democracies 600
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
A Preliminary Study on Correlation Between Independent Components of Facial Thermal Images and Subjective Assessment of Chronic Stress 500
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 3968637
求助须知:如何正确求助?哪些是违规求助? 3513552
关于积分的说明 11168493
捐赠科研通 3248935
什么是DOI,文献DOI怎么找? 1794554
邀请新用户注册赠送积分活动 875188
科研通“疑难数据库(出版商)”最低求助积分说明 804691