Nanomaterials: Nomenclature, novelty, and necessity

Hunt, Warren H.

doi:10.1007/s11837-004-0281-5

Cited by 42 publications

(21 citation statements)

References 9 publications

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“…IN recent years, attention has been focused on nanotechnology and development of nanomaterials due to their specific physical and chemical properties. [1,2] The phase diagrams of nanoscale systems, which can give practical guidelines for their study, are essential for advancement in the field of material science. Several research groups have investigated the phase diagrams in nanosized metals and alloys theoretically, [3][4][5][6][7] as well as experimentally.…”

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confidence: 99%

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Measurement of Surface Tension of Solid Cu by Improved Multiphase Equilibrium

Nakamoto

Liukkonen²,

Friman³

et al. 2008

Metall Mater Trans B

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The surface tension of solid Cu was measured with the multiphase equilibrium (MPE) method in a Pb-Cu system at 700°C, 800°C, and 900°C. A special focus was on the measurement of angles involved in MPE. First, the effect of reading error in each angle measurement on the final result of surface tension of solid was simulated. It was found that the two groove measurements under atmosphere conditions are the primary sources of error in the surface tension of solid in the present system. Atomic force microscopy (AFM) was applied to these angle measurements as a new method with high accuracy. The obtained surface-tension values of solid Cu in the present work were 1587, 1610, and 1521 mN/m at 700°C, 800°C, and 900°C, respectively, representing reasonable temperature dependence.

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confidence: 99%

“…The preceding four equations (Eqs. [1] through [4]) yield the following equation concerning the surface tension of solid in gas atmosphere, r SG :…”

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confidence: 99%

Measurement of Surface Tension of Solid Cu by Improved Multiphase Equilibrium

Nakamoto

Liukkonen²,

Friman³

et al. 2008

Metall Mater Trans B

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“…Properties of these materials can significantly differ from materials of the same chemical and phase compositions but consisting of larger structural elements. Furthermore, large surface development increases chemical reactivity while high content of defects has impact on magnetic, electrical and optical properties of the material, which results in the change of properties [1].…”

Section: Introductionmentioning

confidence: 99%

Fabrication And Properties Of Silver Based Multiwall Carbon Nanotube Composite Prepared By Spark Plasma Sintering Method

Lis¹,

Wrona²,

Mazur³

et al. 2015

Archives of Metallurgy and Materials

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The paper presents results of investigations of the obtained nanocomposite materials based on silver with addition of multiwall carbon nanotubes. The powder of carbon nanotubes content from 0.1 to 3 wt. % was produced by application of powder metallurgy methods, through mixing and high-energetic milling, and also chemical methods. Modification of carbon nanotubes included electroless deposition of silver particles on the carbon nanotube active surfaces and chemical reduction with strong reducing agent -sodium borohydride (NaBH 4 ). The obtained powder mixtures were consolidated by SPSSpark Plasma Sintering method. The formed composites were subjected to tests of relative density, electrical conductivity and electro-erosion properties. Detailed examinations of the structure with application of X-ray microanalysis, with consideration of carbon nanotubes distribution, were also carried out. The effect of manufacturing methods on properties of the obtained composites was observed.

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“…However, for the introduction of these novel materials into the market, they have to be obtained in bulk forms large enough for structural applications [1,2]. The fabrication of bulk nanostructured materials, with grain sizes smaller than 200 nm, is a technological challenge [3,4], since such materials must be produced in big amounts and, especially, be thermally stable to withstand the fabrication processes [5]. This point is critical because most nanograined materials, usually obtained as powders, do not have sufficient thermal stability to permit their consolidation into nanocrystalline bulk forms [6,7].…”

Section: Introductionmentioning

confidence: 99%