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Carbon-nanofillers are known for improving the desired properties of polymers. The dispersion quality of nanofillers in the matrix is vital for the fabrication of high-performance nanocomposites. An effective approach for improving…

应用物理 · 物理学 2020-12-11 Amir Navidfar , Osman Bulut , Tugba Baytak , Hikmet Iskender , Levent Trabzon

We have investigated the thermal rectification phenomenon in a single-wall mass graded carbon nanotube by molecular dynamics simulation. Second generation Brenner potential has been used to model the inter atomic carbon interaction. Fixed…

材料科学 · 物理学 2015-06-22 M. Ebrahim Foulaadvand , Azadeh Saeedi , Farrokh Yousefi , Saeed Khadesadr

Geopolymer has been considered as a green and low-carbon material with great potential application due to its simple synthesis process, environmental protection, excellent mechanical properties, good chemical resistance and durability. In…

软凝聚态物质 · 物理学 2024-02-16 Wenkai Liu , Ling Qin , C. Y. Zhao , Shenghong Ju

The poor thermal conductivity of bulk polymers may be enhanced by combining them with high thermal conductivity materials such as carbon nanotubes. Different from random doping, we find that the aligned carbon nanotube-polyethylene…

材料科学 · 物理学 2015-04-01 Quanwen Liao , Zhichun Liu , Wei Liu , Chengcheng Deng , Nuo Yang

Investigating thermal transport in van der Waals heterostructure is of scientific interest and practical importance for their applications in a broad range. In this work, thermal conductivity of one-dimensional heterostructure consisting of…

介观与纳米尺度物理 · 物理学 2021-01-01 Han Meng , Shigeo Maruyama , Rong Xiang , Nuo Yang

In the present work, the morphology and the electrical and thermal conduction properties of co-continuous poly(vinylidene fluoride) (PVDF), maleated polypropylene (PPgMA) and multiwall carbon nanotubes (CNT) nanostructured blends are…

应用物理 · 物理学 2019-10-31 Samuele Colonna , Zhidong Han , Alberto Fina

Carboxylic functionalization (-COOH groups) of carbon nanotubes is known to improve their dispersion properties and increase the electrical conductivity of carbon-nanotube - polymer nanocomposites. We have studied experimentally the effects…

The atomistic simulations of carbon nanotube (CNT) - carbon reinforced composite material are reported. The studied composite samples were obtained by impregnating certain amounts of CNTs (3,3) and (6,6) into pristine graphite matrix. The…

材料科学 · 物理学 2011-03-14 Vitaly Chaban

Although individual carbon nanotubes (CNTs) are superior as constituents to polymer chains, the mechanical and thermal properties of CNT fibers (CNTFs) remain inferior to commercial synthetic fibers due to the lack of synthesis methods to…

PMMA and Poly carbonate (PC) are wonderful low cost materials which can be easily tailored and shaped. However they have poor mechanical, thermal and electrical properties which are required to be enhanced in several applications where…

介观与纳米尺度物理 · 物理学 2015-04-29 Rajiv Bhandari , Neha Dhiman , Chetna Bajaj , Prashant Jindal , Keya Dharamvir , V. K. Jindal

Combining various carbon nanofillers with different dimensions can lead to a synergistic effect through the formation of an efficient conductive network. Hybrid polyurethane (PU) nanocomposites containing multi-walled carbon nanotubes…

应用物理 · 物理学 2020-12-10 Amir Navidfar , Levent Trabzon

In this work, a coarse-grained (CG) model of carbon nanotube (CNT) reinforced polymer matrix composites is developed. A distinguishing feature of the CG model is the ability to capture interactions between polymer chains and nanotubes. The…

应用物理 · 物理学 2017-04-25 Behrouz Arash , Harold S. Park , Timon Rabczuk

Low thermal conductivity of polymers, which is one of the considerable drawbacks of commonly used composite structures, has been the focus of many researchers aiming to achieve high-performance polymer-based nanocomposites through the…

材料科学 · 物理学 2021-06-22 Leila Razzaghi , Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

Molecular dynamics simulations are used to model the thermal properties of a fluid containing solid nanoparticles (nanofluid). The flexibility of molecular simulation allows us to consider the effects of particle mass, particle-particle and…

材料科学 · 物理学 2009-09-29 Mihail Vladkov , J. -L. Barrat

Fire protection mainly takes place through physical or chemical pathways or both of them. The thermal diffusivity is one of the basic thermophysical properties which can connect the chemical structure. It is well-known in the literature…

计算物理 · 物理学 2017-10-05 Maryam Mohammadi , Jamal Davoodi

The incorporation of carbon nanotubes (CNTs) within polymer hosts offers a great platform for the development of advanced thermoelectric (TE) composite materials. Over the years, several CNT/polymer composite formulations have been…

In this work, we present a new model for the interpretation of the local dynamic behavior and the mechanical reinforcement mechanism in polymer nanocomposites. The temperature dependence of the dynamics in the glassy region is described by…

软凝聚态物质 · 物理学 2019-05-16 Georgios Kritikos , Kostas Karatasos

Nanofluids are suspensions of nanoparticles and fibers which have recently attracted much attention due to their superior thermal properties. Here, nanofluids are studied in the sense of nanofins transversally attached to a surface, so that…

介观与纳米尺度物理 · 物理学 2010-11-23 Eliodoro Chiavazzo , Pietro Asinari

This article provides an overview of the modeling of the effective thermomechanical properties of the multifunctional carbon nanotube (CNT) reinforced hybrid composites for advanced structural applications. The novel constructional feature…

计算物理 · 物理学 2017-04-13 S. I. Kundalwal

We study the interfacial structure, stability, and elastic properties of composite carbon films containing nanotubes. Our Monte Carlo simulations show that Van der Waals forces play a vital role in shaping up the interfacial geometry,…

材料科学 · 物理学 2009-11-11 M. G. Fyta , P. C. Kelires
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