نتایج جستجو برای: composites materials

تعداد نتایج: 472522  

2012
Elaheh Ghassemieh

This chapter gives a comprehensive account of the materials used in manufacturing vehicles. In the first section it explains the properties and characteristics that a suitable material should have to be accepted in automotive production. In later sections it reviews the history of development of the materials in automotive from the most traditional to the most recent ones. In the class of the m...

2015
Mònica Ardanuy Josep Claramunt

In the last few years, an increase in interest has been given to the use of cellulose fibers as alternatives for conventional reinforcements in composites. The development of commercially viable environmentally friendly and healthy materials based on natural resources is on the rise. In this sense, cellulosic fibers as reinforcements for cement mortar composites constitute a very interesting op...

Journal: :Journal of materials science. Materials in medicine 2013
R Costa C Ribeiro A C Lopes P Martins V Sencadas R Soares S Lanceros-Mendez

Electroactive materials can be taken to advantage for the development of sensors and actuators as well as for novel tissue engineering strategies. Composites based on poly(vinylidene fluoride), PVDF, have been evaluated with respect to their biological response. Cell viability and proliferation were performed in vitro both with Mesenchymal Stem Cells differentiated to osteoblasts and Human Fibr...

Journal: :Micromachines 2016
Yongkun Wang Wenchao Tian Jianqiang Xie Yan Liu

A series of thermoelectric responsive shape memory hydro-epoxy (H-EP) composites filled with different contents of graphene were developed and characterized. Compared with traditional actuation materials, these novel shape memory composites exhibit attractive properties, such as light weight, large deformation, good processability and high response speed, making them good candidates for actuato...

2015
Chengzhen Wei Cheng Cheng Junhong Zhao Zhangtao Wang Haipeng Wu Kaiyue Gu Weimin Du Huan Pang

Mesoporous ZnS-NiS composites are prepared via ion- exchange reactions using ZnS as the precursor. The prepared mesoporous ZnS-NiS composite materials have large surface areas (137.9 m(2) g(-1)) compared with the ZnS precursor. More importantly, the application of these mesoporous ZnS-NiS composites as nonenzymatic glucose sensors was successfully explored. Electrochemical sensors based on meso...

Journal: :The Journal of Nihon University School of Dentistry 1997
O Bala M Uçtaşli H Can E Türköz M Can

Fluoride release from six light-activated restorative materials, including two resinmodified glass-ionomers, two composites, and two compomers, was evaluated and compared with one conventional acid-based glass-ionomer cement. The amount and rate of release varied among the tested materials. Both resin-modified glass-ionomers and the conventional acid-base glass-ionomer cements released more flu...

2002
D. L. Chung

As structural materials, cement-matrix composites have received much attention in terms of their mechanical properties, but relatively little attention in terms of their electrical conduction properties. Nevertheless, the electrical properties are relevant to the use of the structural materials for non-structural purposes such as sensing and electromagnetic interference (EMI) shielding. The abi...

2014
Lichao Feng Ning Xie Jing Zhong

Carbon nanofiber (CNF), as one of the most important members of carbon fibers, has been investigated in both fundamental scientific research and practical applications. CNF composites are able to be applied as promising materials in many fields, such as electrical devices, electrode materials for batteries and supercapacitors and as sensors. In these applications, the electrical conductivity is...

2001
C. R. Maier

Composites based on graphite benefit a number of applications where low density, high-temperature strength and thermal shock resistant materials are needed. Carbon composites are currently used in applications such as thermal barriers for reentry vehicles and aircraft brakes[1,2]. However, despite the unique hightemperature properties of these composites, their susceptibility to gasification in...

2012
Cora Lind

Negative thermal expansion (NTE) materials have become a rapidly growing area of research over the past two decades. The initial discovery of materials displaying NTE over a large temperature range, combined with elucidation of the mechanism behind this unusual property, was followed by predictions that these materials will find use in various applications through controlled thermal expansion c...

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