TITLE

Reduction of Micrometer Size Al Particles in Nanosize AlN Powder Synthesized by Pulsed Wire Discharge

AUTHOR(S)
Cho, Chuhyun; Kinemuchi, Yoshiaki; Suematsu, Hisayuki; Jiang, Weihua; Yatsui, Kiyoshi
PUB. DATE
December 2002
SOURCE
AIP Conference Proceedings;2002, Vol. 651 Issue 1, p333
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Experimental studies were carried out on the synthesis of nanosize powders of aluminum nitride (AlN) by pulsed wire discharge (PWD). Efforts were made to produce high purity AlN powder by reducing the number of micrometer-size particles. The deposited energy in the wire before the explosion is significantly increased when the discharge energy was increased. The highest AlN content of the powder synthesized in N[sub 2] gas mixed with NH[sub 3] gas was 98 wt.%. The number of micrometer-size particles observed by scanning electron microscopy is decreased with increasing discharge energy.
ACCESSION #
8687218

 

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