Title:
鈍化した金属粉末または合金粉末ならびにこれを製造するための方法および／または反応槽
Document Type and Number:
Japanese Patent JP5876651
Kind Code:
B2
Abstract:
The rare earth metals production process produces powder of average grain size below 20 mu m of zirconium, titanium or hafnium by metallic thermal reduction of oxides or halogenides. A passivating gas is added during and/or after the reduction to stabilize the powder. A passivating solid is supplied before the reduction. Reduction and stabilization take place in a single vacuumable gastight reaction vessel.
Inventors:
Baudis Ulrich Gerhard
Application Number:
JP2010543454A
Publication Date:
March 02, 2016
Filing Date:
January 08, 2009
Export Citation:
Assignee:
Tradium Gesellschaft Mito Beschlenktel Haftung
International Classes:
B22F9/20; B22F1/00; C06B27/00; C22C14/00; C22C16/00; C22C27/00; F27B14/04; F27B14/08
Domestic Patent References:
| JP8269502A | ||||
| JP5163511A | ||||
| JP6088104A | ||||
| JP2005047739A | ||||
| JP62017791U | ||||
| JP2004052003A | ||||
| JP2004247177A |
Foreign References:
| WO2005007906A1 | ||||
| WO2007031246A2 | ||||
| US20040050208 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Katsunori Uenishi
Ichiro Torayama
Blacksmith
Katsunori Uenishi
Ichiro Torayama
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