hybrid composite
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2022 ◽  
Vol 320 ◽  
pp. 126212
Supakporn Aodkeng ◽  
Sakprayut Sinthupinyo ◽  
Busaya Chamnankid ◽  
Wilasinee Hanpongpun ◽  
Arnon Chaipanich

2022 ◽  
Vol 171 ◽  
pp. 108782
Madhur Gupta ◽  
M.C. Ray ◽  
Nagesh D. Patil ◽  
S.I. Kundalwal

2022 ◽  
Vol 12 (2) ◽  
pp. 713
Esther Nneka Anosike-Francis ◽  
Paschal Ateb Ubi ◽  
Ifeyinwa Ijeoma Obianyo ◽  
Godwin Mong Kalu-Uka ◽  
Abdulhakeem Bello ◽  

This study investigates the feasibility of creating a clay polymer-based composite using cowpea husk (CPH) as filler for production of roof tiles. Polymeric composites were fabricated by mixing unsaturated polyester (UPT) resin with cowpea husk at different filler weights and curing. A hybrid composite was produced with the addition of 3 wt.% clay and all samples produced were subjected to flexural, hardness and dynamic mechanical analysis (DMA) tests. The effect of clay addition on the mechanical and thermo-mechanical behaviour of formulated composites was investigated. The morphological analysis of the mono and hybrid system shows a rough and coarse inhomogeneous surface with voids created due to the addition of CPH filler for the mono reinforced and clay uniformly filling the voids that were created by the CPH in the hybrid composite. It is observed that hardness, tensile modulus and flexural modulus of hybrid composites increase with an increase in the CPH contents, while the strength and flexural strength all decrease with filler content. The optimal composition was obtained using Grey relational analysis (GRA) at 18% CPH for both mono and hybrid composite. The results imply that the composite combination can be used in making rooftiles and/or also in applications where low strength is required.

Mohammed Sonebi ◽  
P. Thiele ◽  
A. Abdalqader ◽  
Leonid I. Dvorkin ◽  
Nataliya Lushnikova ◽  

An experimental investigation was conducted in order to study the water absorption, mechanical performance, thermal properties and durability of hybrid hemp-rapeseed composite materials. The hybrid composite material is made with 50% hemp shives and 50% rapeseed fibres. The purpose of this study is to investigate the influence of the incorporation of viscosity modifying agent (VMA) on hybrid concrete. Four mixes were made for: shuttered walls and roof insulation with and without VMA. The water absorption of the hybrid composite fibres was, first, measured. The compressive strengths of these mixes at 7 and 28 d were then determined in order to compare the mechanical behaviour of the hybrid composite materials made with VMA. In addition, the capillary absorption and coefficient of thermal conductivity were also measured. The results revealed that VMA improved the performance of the hybrid concrete.

2022 ◽  
Donald S. Norwood ◽  
Kevin S. Brown ◽  
Scott Malaznik ◽  
Brandon M. Schneberger ◽  
Kevin M. Fuller ◽  

2022 ◽  
John S. Brewer ◽  
Anthony N. Palazotto ◽  
Casey Holycross ◽  
Michael Gran

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