Gas chromatographic analysis of degassing of aluminum and aluminum alloy powders

Ryuzo Watanabe, Sun Choi Duk, Akira Kawasaki

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

Gas release behavior from aluminum and Al 7075 alloy powders during heating in argon was investigated by in-situ gas chromatography. Water vapor, hydrogen, carbon mono-oxide were detected as individual evolution spectra against heating temperature and time. The mechanisms of water and hydrogen evolutions were studied in detail for the determination of effective degassing condition. The adsorbed water and aluminum hydrate on the particle surfaces were considered to be the sources for the released water. Hydrogen peaks were formed from released gases through the reaction of aluminum and magnesium with adsorbed and hydrated water, and from liberated hydrogen that would have been excessively occluded during atomization. For the alloy powder magnesium was found to lower the hydrogen evolution temperature to enhance overall hydrogen release.

本文言語English
ホスト出版物のタイトルProgress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006)
出版社Trans Tech Publications Ltd
ページ809-812
ページ数4
PART 1
ISBN(印刷版)0878494197, 9780878494194
DOI
出版ステータスPublished - 2007 1 1
イベント2006 Powder Metallurgy World Congress and Exhibition, PM 2006 - Busan, Korea, Republic of
継続期間: 2006 9 242006 9 28

出版物シリーズ

名前Materials Science Forum
番号PART 1
534-536
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other2006 Powder Metallurgy World Congress and Exhibition, PM 2006
国/地域Korea, Republic of
CityBusan
Period06/9/2406/9/28

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

フィンガープリント

「Gas chromatographic analysis of degassing of aluminum and aluminum alloy powders」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル