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Carbon nanotube (CNT) reinforced metal matrix composites have been the focus of researchers due to their high load-bearing capacity. Among single and multi-wall carbon nanotubes (MWCNT), the latter is preferred by manufacturers and…

Materials Science · Physics 2021-02-10 Raashiq Ishraaq , Mahmudur Rashid , Shahriar Muhammad Nahid

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…

Materials Science · Physics 2011-03-14 Vitaly Chaban

Carbon nanotube (CNT) reinforced metal matrix composites (MMCs) are gaining the attention of the researchers because of their demand in space and automobile industries for having low weight and high mechanical properties. Iron is the most…

Materials Science · Physics 2021-03-17 Raashiq Ishraaq , Santosh Chhetri , Omkar Gautam , Shahriar Muhammad Nahid , A. M Afsar

Multiwalled carbon nanotubes (MWCNTs) are decorated with Pt nanoparticles by a "layer-by-layer" approach using poly (sodium 4-styrene sulfonate) (PSS) and poly (diallyl dimethylammonium chloride) (PDDA). Transmission electron microscopy…

Materials Science · Physics 2022-03-15 Samaneh Nasiri , Feng Shi , Guang Yang , Erdmann Spiecker , Qianqian Li

In this work, we investigate the electrical conductivity of carbon nanotubes (CNTs), with a particular focus on the effects of doping. Using a first-principles approach, we study the electronic structure, phonon dispersion, and…

Materials Science · Physics 2024-08-07 Mina Yoon , German D. Samolyuk , Kai Li , James A. Hayne , Tolga Aytug

High strain rate experiments performed on multi-walled carbon nanotubes and polycarbonate composites (MWCNT-PC) have exhibited enhanced impact resistance under a dynamic strain rate of nearly 2500/s with composition of only 0.5 to 2.0…

Materials Science · Physics 2013-04-23 Prashant Jindal , Meenakshi Goyal , Navin Kumar

The influence of carbon multi-walled nanotubes (MWCNTs) and halloysite nanotubes (HNTs) on the physical, thermal, mechanical, and electrical properties of EVA (ethylene vinyl acetate) copolymer was investigated. EVA-based nanocomposites…

The photoluminescence (PL) quantum yield of single-walled carbon nanotubes (SWNTs) is relatively low, with various quenching effects by metallic species reported in the literature. Here, we report the first case of metal enhanced…

Materials Science · Physics 2010-10-29 Guosong Hong , Scott M. Tabakman , Kevin Welsher , Hailiang Wang , Xinran Wang , Hongjie Dai

The ultra-low intershell shear strength in carbon nanotubes (CNTs) has been the primary obstacle to applications of CNTs as mechanical reinforcements. In this paper we propose a new CNT-system composed of comprising of coaxial cylindrical…

Materials Science · Physics 2009-03-12 Zhiping Xu , Lifeng Wang , Quanshui Zheng

This study sequentially investigates the enhancement of fracture behavior in adhesive joints. Initially, mechanical sanding techniques were explored, revealing significant improvements of 55% in fracture energy and 38% in load-bearing…

Materials Science · Physics 2024-06-24 Roohollah Nazari , Rashid Hakimi , Mohammad Daneshfar , Behnam Talebi

We report on the nano-electron beam assisted fabrication of atomically sharp iron-based tips and on the creation of a nano-soldering iron for nano-interconnects using Fe-filled multiwalled carbon nanotubes (MWCNTs). High energy electron…

Materials Science · Physics 2008-04-08 A. Misra , C. Daraio

There is a growing momentum in recent thermoelectric materials research for flexible materials which enhance power output and efficiency at human wearable temperatures. In our previous work, we established the method to improve…

Single-wall carbon nanotubes (SWNTs) were used to augment the thermal transport properties of industrial epoxy. Samples loaded with 1 wt% unpurified SWNT material show a 70% increase in thermal conductivity at 40K, rising to 125% at room…

Materials Science · Physics 2009-11-07 M. J. Biercuk , M. C. Llaguno , M. Radosavljevic , J. K. Hyun , J. E. Fischer , A. T. Johnson

We evaluated the doping effect of two types of multiwall carbon nanotube (CNT) with different aspect ratios on MgB2/Fe monofilament wires. Relationships between microstructure, magnetic critical current density (Jc), critical temperature…

Superconductivity · Physics 2009-11-11 J. H. Kim , W. K. Yeoh , M. J. Qin , X. Xu , S. X. Dou

Boron-doped multi-walled carbon nanotubes (MWNTs) were synthesized using a methanol solution of boric acid as a source material. Accurate measurements of the electrical resistivity of an individual boron-doped MWNT was performed with a…

Carbon nanotubes are a fraction of the size of transistors used in today's best microchips, as it could reduce power demands and heating in next electronics revolution. Present study investigates the electronic and magnetic structure of…

Materials Science · Physics 2012-01-09 Sanjeev Gautama , P. Thakur , S. Augustine , J. K. Kang , J. -Y. Kim , N. B. Brookes , K. Asokan , Keun Hwa Chae

Carbon nanotubes (CNT) have been recently proposed as stabilizers against grain growth that can happen even at low temperature inputs in nano-crystalline and ultrafine-grained materials obtained by severe plastic deformation. In this study,…

Corrosion is an inevitable phenomenon that is inherent in metals and even though there has been significant research on this subject, no ideal protection has been discovered to fully prevent corrosion. However, methods such as using…

Applied Physics · Physics 2018-12-11 Farhad Daneshvar

Zn-Al alloys have become one of the major engineering alloys among commercially available alloys. This study was conducted on eutectoid composition of Zn-Al alloy with an observation of the effect of copper addition. For this purpose, one…

Materials Science · Physics 2019-01-10 A. R. Khan , T. Ahmed , M. K. Islam , S. A. Dhar , M. R. Qadir

Carbon nanotubes (CNTs) have attracted increasing attention because of their unique structural, mechanical, and electronic properties. Surface chemistry modifications are also useful and critical to manipulate the adsorptive properties of…

Materials Science · Physics 2007-08-15 K. -S. Lin , Ruey-Bing Li , Frank Lee , Li-Cheng Lou , Su-Wei Chiu
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