EP 1318529 A2 20030611 - Surface hardened soft magnetic actuator part and fabrication process
Title (en)
Surface hardened soft magnetic actuator part and fabrication process
Title (de)
Oberflächengehärtetes weichmagnetisches Aktuatorteil und dessen Herstellverfahren
Title (fr)
Actuateur magnétique magnétiquement doux durci en surface et son procédé de fabrication
Publication
Application
Priority
DE 10160550 A 20011210
Abstract (en)
Soft magnetic actuator part has a surface hardness of at least 150 HV 0.01 increased by nitriding. The N concentration has the following deep profile: a top value of maximum N concentration of at least 0.2 wt.% in the depth region of up to 1 mu m, an N-concentration of at least 0.25 wt.% in the depth region of 1 mu m, an N-concentration of at least 0.1 wt.% in the depth region of 2 mu m and an N-concentration of at least 0.05 wt.% in the depth region of 5 mu m. <??>An Independent claim is also included for a process for the surface treatment of an electromagnetic actuator part comprising nitriding at 380-480 degrees C at a nitriding number KN of approximately 10, preferably in an oxygen atmosphere (oxynitriding) at an oxidation number KO of approximately 0.20.
Abstract (de)
Weichmagnetisches Aktuatorteil mit durch Nitrieren gesteigerter Oberflächenhärte von mindestens 150 HV0,01, gekennzeichnet durch folgendes Tiefenprofil der N-Konzentration: im Tiefenbereich bis 1 µm einen Spitzenwert der maximalen N-Konzentration von mindestens 0,2%, bei einer Tiefe von 1 µm eine N-Konzentration von mindestens 0,25% und bei einer Tiefe von 2 µm eine N-Konzentration von mindestens 0,1%. <IMAGE>
IPC 1-7
IPC 8 full level
C23C 8/24 (2006.01); H01F 3/08 (2006.01); H01H 71/32 (2006.01)
CPC (source: EP)
C23C 8/24 (2013.01); H01F 3/08 (2013.01); H01H 71/327 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 02027301 A 20021206