Formation of Aluminium Nitride during Sintering of Powder Injection Moulded Aluminium

Formation of Aluminium Nitride during Sintering of Powder Injection Moulded Aluminium

A TEM study of aluminium nitride formed during sintering of powder injection moulded aluminium under nitrogen is presented. A polycrystalline layer consisting of fine, rod-shaped crystallites of hexagonal AlN formed on the Al powder surfaces. The grain boundaries exhibit a double layer of AlN separa...

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Veröffentlicht in:Materials science forum 2009-01, Vol.618-619, p.631-634
Hauptverfasser: Liu, Zhen Yun, Kent, Damon, Qian, Ma, Schaffer, Graham B.
Format: Artikel
Sprache:eng
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Zusammenfassung:A TEM study of aluminium nitride formed during sintering of powder injection moulded aluminium under nitrogen is presented. A polycrystalline layer consisting of fine, rod-shaped crystallites of hexagonal AlN formed on the Al powder surfaces. The grain boundaries exhibit a double layer of AlN separated by a thin layer of Al. The structure of the AlN is characterised and its influence upon sintering discussed.
ISSN:0255-5476
1662-9752
1662-9752
DOI:10.4028/www.scientific.net/MSF.618-619.631