EP 1607157 A2 20051221 - A method of consolidating a powder
Title (en)
A method of consolidating a powder
Title (de)
Verfahren zur Verfestigung von Pulver
Title (fr)
Procédé de consolidation de poudre
Publication
Application
Priority
GB 0413392 A 20040616
Abstract (en)
A method of consolidating a powder (10) comprises the steps of filling an electrically conductive container (12) with the powder (10). Any air is evacuated out of the filled container (12), which is then sealed. The sealed container (12) is placed in a die (20) and a force is applied to consolidate the powder (10). Simultaneously an electric pulse and an ultrasonic pulse are applied to the container (12) as the powder (10) is consolidated. The electric and ultrasound pulses are applied during consolidation to disrupt the grain boundaries and assist in the fragmentation of any oxides. The container (12) is then removed from the die (20) and from the consolidated powder (10).
IPC 1-7
IPC 8 full level
B22F 3/02 (2006.01); B22F 3/105 (2006.01); B22F 3/14 (2006.01)
CPC (source: EP US)
B22F 3/105 (2013.01 - EP US); B22F 3/14 (2013.01 - EP US); B22F 2998/10 (2013.01 - EP US); B22F 2999/00 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1607157 A2 20051221; EP 1607157 A3 20090715; GB 0413392 D0 20040721; US 2005281702 A1 20051222
DOCDB simple family (application)
EP 05253052 A 20050518; GB 0413392 A 20040616; US 13321305 A 20050520