The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys

S. Morris; S.B. Dodd; P.J. Hall; A.J. Mackinnon; L.E.A. Berlouis

doi:10.1016/S0925-8388(99)00338-2

The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys

S. Morris, S.B. Dodd, P.J. Hall, A.J. Mackinnon, L.E.A. Berlouis

Research output: Contribution to journal › Article

25 Citations (Scopus)

Abstract

This paper discusses the production and initial evaluation of hydrogen storage alloys produced by physical vapour deposition (PVD) and mechanical alloying (MA). PVD is usually associated with the production of thin films and coatings. However, DERA Farnborough have developed a high rate vapour condensation process to produce bulk deposits, in some cases up to 44 mm thick. Vapour condensation using electron beam evaporation produces the ultimate in cooling rates with extended solid solubility and refinement of microstructure, which produce enhanced physical and mechanical properties. MA is a complimentary technique for processing hydrogen storage materials which has been developed within DERA over the past 3 years. These techniques have been applied to Mg and FeTi alloy systems and it is shown that both methods greatly enhance the amount of hydrogen uptake and the ease of activation.

Language	English
Pages	458-462
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	293-295
DOIs	10.1016/S0925-8388(99)00338-2
Publication status	Published - 20 Dec 1999

Fingerprint

Mechanical alloying

Physical vapor deposition

Magnesium

Hydrogen

Condensation

Vapors

Hydrogen storage alloys

Hydrogen storage

Processing

Electron beams

Evaporation

Deposits

Solubility

Physical properties

Chemical activation

Cooling

Thin films

Coatings

Mechanical properties

Microstructure

Keywords

mechanical alloying
physical vapour deposition
hydrogen storage
thermal analysis

Cite this

Morris, S., Dodd, S. B., Hall, P. J., Mackinnon, A. J., & Berlouis, L. E. A. (1999). The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys. Journal of Alloys and Compounds, 293-295, 458-462. https://doi.org/10.1016/S0925-8388(99)00338-2

Morris, S. ; Dodd, S.B. ; Hall, P.J. ; Mackinnon, A.J. ; Berlouis, L.E.A. / The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys. In: Journal of Alloys and Compounds. 1999 ; Vol. 293-295. pp. 458-462.

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Morris, S, Dodd, SB, Hall, PJ, Mackinnon, AJ & Berlouis, LEA 1999, 'The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys' Journal of Alloys and Compounds, vol. 293-295, pp. 458-462. https://doi.org/10.1016/S0925-8388(99)00338-2

The effect of novel processing on hydrogen uptake in feti- and magnesium-based alloys. / Morris, S.; Dodd, S.B.; Hall, P.J.; Mackinnon, A.J.; Berlouis, L.E.A.

In: Journal of Alloys and Compounds, Vol. 293-295, 20.12.1999, p. 458-462.

Research output: Contribution to journal › Article

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AU - Morris, S.

AU - Dodd, S.B.

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AU - Mackinnon, A.J.

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AB - This paper discusses the production and initial evaluation of hydrogen storage alloys produced by physical vapour deposition (PVD) and mechanical alloying (MA). PVD is usually associated with the production of thin films and coatings. However, DERA Farnborough have developed a high rate vapour condensation process to produce bulk deposits, in some cases up to 44 mm thick. Vapour condensation using electron beam evaporation produces the ultimate in cooling rates with extended solid solubility and refinement of microstructure, which produce enhanced physical and mechanical properties. MA is a complimentary technique for processing hydrogen storage materials which has been developed within DERA over the past 3 years. These techniques have been applied to Mg and FeTi alloy systems and it is shown that both methods greatly enhance the amount of hydrogen uptake and the ease of activation.

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