نتایج جستجو برای: multi scale hybrid nanocomposites

تعداد نتایج: 1185055  

The tensile properties of multiscale, hybrid, thermoplastic-based nanocomposites reinforced with nano-CaCO3 particles and micro–short glass fibers (SGF) were predicted by a two-step, three-dimensionalmodel using ANSYS finite element (FE) software. Cylindrical and cuboid representative volume elements were generated to obtain the effective behavior of the multiscale hybrid composites. In the fir...

2017
Kaiyan Qiu Anil Netravali Stephen C. Bondy

Two high-performance bacterial cellulose (BC) nanofiber-based hybrid structures were produced using an in situ self-assembly approach, one with microfibrillated cellulose (MFC) and another with sisal fiber, by incorporating them in the fermentation media. The fabricated BC-MFC hybrid and BC-sisal hybrid fibers showed enhanced mechanical properties compared to pure BC and sisal fibers, respectiv...

2017
Nadiim Domun Keith R Paton Homayoun Hadavinia Toby Sainsbury Tao Zhang Hibaaq Mohamud

In this work the fracture toughness of epoxy resin has been improved through the addition of low loading of single part and hybrid nanofiller materials. Functionalised multi-walled carbon nanotubes (f-MWCNTs) was used as single filler, increased the critical strain energy release rate, GIC, by 57% compared to the neat epoxy, at only 0.1 wt% filler content. Importantly, no degradation in the ten...

2012
Sivalingam Ramesh Arumugam Sivasamy Joo-Hyung Kim

Maleimide-functionalized polystyrene (PSMA-SiO2/TiO2) hybrid nanocomposites were prepared by sol-gel reaction starting from tratraethoxysilane (TEOS) and titanium isopropoxide in the solution of polystyrene maleimide in 1,4-dioxane. The hybrid films were obtained by the hydrolysis and polycondensation of TEOS and titanium isopropoxide in maleimide-functionalized polystyrene solution followed by...

برادران خانیانی, مهدیه, بهاری, علی, رستمیان, فاطمه, رودباری شهمیری, ماندانا,

In the present work, metallic oxide–organic material hybrid nanocomposites (Poly vinyl pyrrolidone- zinc oxide, PVP-ZnO) have been synthesized using sol-gel method. Nanostructural properties of aforementioned materials were studied by scanning electron microscope (SEM) and X-ray diffraction techniques. Williamson equation was used to estimate lattice strain in the PVP-ZnO nanocomposite. The dom...

Journal: :Chemical communications 2013
Ram Kumar Kolleboyina Jayaramulu Tapas Kumar Maji C N R Rao

Hybrid nanocomposites of graphene oxide (GO) with ZIF-8 exhibit tunable nanoscale morphology and porosity, both determined by the GO content, coordination modulation being responsible for such properties. These materials also give rise to high CO2 storage capability and can be used as precursors to prepare GO@ZnS nanocomposites.

2008
Wei - Tang Yao Shu - Hong Yu

This Feature Article provides a brief overview of the latest development and emerging new synthesis solution strategies for II–VI semiconducting nanomaterials and inorganic-organic semiconductor hybrid materials. Research on the synthesis of II–VI semiconductor nanomaterials and inorganic–organic hybrid semiconducting materials via solution strategies has made great progress in the past few yea...

Journal: :Journal of applied research in technology & engineering 2021

<p>Among the various kinds of reinforcing element, Multi Wall Carbon Nano-tubes (MWCNT) and Nanoclay have found much more attention as a filler element to upgrade mechanical properties polymer composite material. In this paper, production hybrid nanocomposites effect MWCNT nanoclay on been evaluated. nanocomposites, are embedded in epoxy resin. The processing nanocomposite is always diffi...

2012
Bin Hu Ning Hu Yuan Li Kentaro Akagi Weifeng Yuan Tomonori Watanabe Yong Cai

In this work, we propose a comprehensive multi-scale three-dimensional (3D) resistor network numerical model to predict the piezoresistivity behavior of a nanocomposite material composed of an insulating polymer matrix and conductive carbon nanotubes (CNTs). This material is expected to be used as highly sensitive resistance-type strain sensors due to its high piezoresistivity defined as the re...

Journal: :international journal of nano dimension 0
j. roul university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india. s. k. sahoo university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india. r. mohapatra university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india.

this paper discusses about preparation of biodegradable polymer /clay nanocomposites based on organically modified montmorillonite clay; i.e. cloisite 10a and biodegradable polymer chitosan by solution mixing technique and their characterization. the nanocomposites were successfully prepared and their structures were characterized by powder x-ray diffraction (xrd), particle size analyzer (beckm...

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