Effect of different carbon nano-fillers on rheological properties and lap shear strength of epoxy adhesive joints

被引：124
作者：
Jojibabu, Panta [1 ]
Jagannatham, M. [1 ]
Haridoss, Prathap [1 ]
Ram, G. D. Janaki [1 ]
Deshpande, Abhijit P. [2 ]
Bakshi, Srinivasa Rao [1 ]
机构：
[1] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India
[2] Indian Inst Technol, Dept Chem Engn, Madras 600036, Tamil Nadu, India
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2016年 / 82卷
关键词：
Particle-reinforcement; Adhesion; Mechanical testing; Joints/joining; MECHANICAL-PROPERTIES; THERMAL-CONDUCTIVITY; ELECTRICAL-PROPERTIES; REINFORCED EPOXY; NANOTUBES; NANOCOMPOSITES; COMPOSITES; FUNCTIONALIZATION; NANOPARTICLES; DISPERSION;
D O I：
10.1016/j.compositesa.2015.12.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the rheological properties, thermal stability and the lap shear strength of epoxy adhesive joints reinforced with different carbon nano-fillers such as multi-walled carbon nanotubes (CNT), graphene nanoplatelets (GNP) and single-walled carbon nanohorns (CNH) have been studied. The nano fillers were dispersed homogeneously using Brabender (R) Plasti-Corder (R). The epoxy pre-polymer with and without the nano-fillers exhibited shear thinning behavior. The nano-filler epoxy mixtures exhibited a viscoplastic behavior which was analyzed using Casson's model. Thermo-gravimetric analysis indicated an increase in the thermal stability of the epoxy with the addition of carbon nano-fillers. Carbon nano fillers resulted in increased lap shear strength having high Weibull modulus. The joint strength increased by 53%, 49% and 46% with the addition of 1 wt.% CNT, 0.5 wt.% GNP and 0.5 wt.% CNH, respectively. The strength of the joints having high filler content (>1 wt.%) was limited by mixed mode type of failure. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：53 / 64
页数：12
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