EP 0024217 A1 19810225 - Process for producing a compacted powder metal part.
Title (en)
Process for producing a compacted powder metal part.
Title (de)
Verfahren zur Herstellung eines Presskörpers aus Metallpulver.
Title (fr)
Procédé de fabrication d'une pièce compactée à partir de poudre métallique.
Publication
Application
Priority
US 6824879 A 19790820
Abstract (en)
A process for producing a powder metal part uses a powder metal composition substantially comprising 1.0 - 2.5% Ni, 0.3 - 0.7% Mo, 0.15 - 0.30% Mn, 0.5 - 1.5% Cu, 0.3 - 0.7% C, and 0.5- 1.0% zinc stearate, the balance being Fe. This is first compacted. The compacted mass is sintered at a temperature in the range about 2000 DEG F to 2150 DEG F for a time in the range about 15 to 30 minutes in a furnace having a dew point ranging from about 20 DEG F to 60 DEG F and under an endothermic atmosphere. The part as sintered has good strength and the product has improved machineability.
IPC 1-7
IPC 8 full level
B22F 3/10 (2006.01); C22C 33/02 (2006.01)
CPC (source: EP)
C22C 33/0264 (2013.01)
Citation (search report)
- FR 2392134 A1 19781222 - BRITISH STEEL CORP [GB]
- DE 2752484 A1 19780706 - TEXTRON INC
- FR 2397904 A1 19790216 - BRICO ENG [GB]
- EP 0010442 A1 19800430 - PITNEY BOWES INC [US]
- FR 2331406 A1 19770610 - BSA SINTERED COMPONENTS LTD [GB]
- FR 1492601 A 19670818 - HOGANAS BILLESHOLMS AB
- US 4170474 A 19791009 - CHEN YEW-TSUNG [US]
Designated contracting state (EPC)
DE GB SE
DOCDB simple family (publication)
EP 0024217 A1 19810225; EP 0024217 B1 19840711; AU 6137380 A 19810226; BR 8005201 A 19810304; CA 1166043 A 19840424; DE 3068524 D1 19840816; JP S5669351 A 19810610
DOCDB simple family (application)
EP 80302885 A 19800820; AU 6137380 A 19800812; BR 8005201 A 19800818; CA 357866 A 19800808; DE 3068524 T 19800820; JP 11393680 A 19800819