Aluminum nanopowders produced by electrical explosion of wires and passivated by non-inert coatings: Characterisation and reactivity with air and water

Abstract

Results of the comprehensive characterisation of electro-exploded aluminum nanopowders, passivated with the non-inert reagents: oleic acid (C₁₇H₃₃COOH) and stearic acid (C₁₇H₃₅COOH), which were suspended in kerosene and ethanol, amorphous boron, nickel, fluoropolymer and Al₂O₃ (for a comparison), are discussed. Aluminum nanopowders with a protecting surface show increased stability towards oxidation in air and in water during the storage period. On the basis of the experimental results, a diagram of the formation and stabilization of the coatings is proposed.

Original language	English
Pages (from-to)	111-115
Number of pages	5
Journal	Powder Technology
Volume	164
Issue number	2
DOIs	https://doi.org/10.1016/j.powtec.2006.03.003
Publication status	Published - 17 May 2006

Keywords

Air
Aluminum nanoparticles
DTA-DSC-TG
Non-inert coatings
Passivation
SEM
Stability
TEM
Water

ASJC Scopus subject areas

Chemical Engineering(all)
Physical and Theoretical Chemistry

Access to Document

10.1016/j.powtec.2006.03.003

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title = "Aluminum nanopowders produced by electrical explosion of wires and passivated by non-inert coatings: Characterisation and reactivity with air and water",

abstract = "Results of the comprehensive characterisation of electro-exploded aluminum nanopowders, passivated with the non-inert reagents: oleic acid (C17H33COOH) and stearic acid (C17H35COOH), which were suspended in kerosene and ethanol, amorphous boron, nickel, fluoropolymer and Al2O3 (for a comparison), are discussed. Aluminum nanopowders with a protecting surface show increased stability towards oxidation in air and in water during the storage period. On the basis of the experimental results, a diagram of the formation and stabilization of the coatings is proposed.",

keywords = "Air, Aluminum nanoparticles, DTA-DSC-TG, Non-inert coatings, Passivation, SEM, Stability, TEM, Water",

author = "Gromov, {Alexander Alexandrovich} and Ulrich F{\"o}rter-Barth and Ulrich Teipel",

year = "2006",

month = may,

day = "17",

doi = "10.1016/j.powtec.2006.03.003",

language = "English",

volume = "164",

pages = "111--115",

journal = "Powder Technology",

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number = "2",

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T1 - Aluminum nanopowders produced by electrical explosion of wires and passivated by non-inert coatings

T2 - Characterisation and reactivity with air and water

AU - Gromov, Alexander Alexandrovich

AU - Förter-Barth, Ulrich

AU - Teipel, Ulrich

PY - 2006/5/17

Y1 - 2006/5/17

N2 - Results of the comprehensive characterisation of electro-exploded aluminum nanopowders, passivated with the non-inert reagents: oleic acid (C17H33COOH) and stearic acid (C17H35COOH), which were suspended in kerosene and ethanol, amorphous boron, nickel, fluoropolymer and Al2O3 (for a comparison), are discussed. Aluminum nanopowders with a protecting surface show increased stability towards oxidation in air and in water during the storage period. On the basis of the experimental results, a diagram of the formation and stabilization of the coatings is proposed.

AB - Results of the comprehensive characterisation of electro-exploded aluminum nanopowders, passivated with the non-inert reagents: oleic acid (C17H33COOH) and stearic acid (C17H35COOH), which were suspended in kerosene and ethanol, amorphous boron, nickel, fluoropolymer and Al2O3 (for a comparison), are discussed. Aluminum nanopowders with a protecting surface show increased stability towards oxidation in air and in water during the storage period. On the basis of the experimental results, a diagram of the formation and stabilization of the coatings is proposed.

KW - Air

KW - Aluminum nanoparticles

KW - DTA-DSC-TG

KW - Non-inert coatings

KW - Passivation

KW - SEM

KW - Stability

KW - TEM

KW - Water

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JF - Powder Technology

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