Novel Aluminium Nitride Surface Coatings Formed on Aluminium

Kent, D, Schaffer, G. B. and Drennan, J. (2007). Novel Aluminium Nitride Surface Coatings Formed on Aluminium. In: Materials Science Forum: 6th Pacific Rim International Conference on Advanced Materials and Processing. 6th Pacific Rim International Conference on Advanced Materials and Processing, Cheju Island, Korea, (571-575). 5th - 9th November, 2007. doi:10.4028/www.scientific.net/MSF.561-565.571


Author Kent, D
Schaffer, G. B.
Drennan, J.
Title of paper Novel Aluminium Nitride Surface Coatings Formed on Aluminium
Conference name 6th Pacific Rim International Conference on Advanced Materials and Processing
Conference location Cheju Island, Korea
Conference dates 5th - 9th November, 2007
Proceedings title Materials Science Forum: 6th Pacific Rim International Conference on Advanced Materials and Processing   Check publisher's open access policy
Journal name Pricm 6: Sixth Pacific Rim International Conference On Advanced Materials and Processing, Pts 1-3   Check publisher's open access policy
Place of Publication Stafa-Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2007
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/MSF.561-565.571
ISBN *****************
ISSN 0255-5476
Volume 561 - 565
Issue Part 1-3
Start page 571
End page 575
Total pages 5
Language eng
Abstract/Summary A new nitriding method has been devised which requires only a simple vacuum furnace and enables direct nitridation of solid aluminium without any prior surface treatment. It can be used to produce thick aluminium nitride surface layers on aluminium, under nitrogen at atmospheric pressure. A critical element of the process is the use of a magnesium vapour source that reduces/disrupts the natural, protective oxide film on the aluminium surface and facilitates nitriding. The nitride surface layers form through two distinct modes, one growing outward from the aluminium plate surface and the other growing into the aluminium. Studies of the nitride layers utilizing optical microscopy, TEM, SEM, XRD and XPS have been conducted. Details of the composition, structure and growth as well as possible mechanisms for the nitride formation are presented. Understanding of the reaction may have important implications for the production of wear resistant coatings on bulk Al as well as for the production of Al/AlN composites.
Subjects 091202 Composite and Hybrid Materials
Keyword Aluminium
Nitrides
Hard Coatings
Q-Index Code E1

 
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