EP1318529A3 - Surface hardened soft magnetic actuator part and fabrication process - Google Patents

Surface hardened soft magnetic actuator part and fabrication process Download PDF

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Publication number
EP1318529A3
EP1318529A3 EP02027301A EP02027301A EP1318529A3 EP 1318529 A3 EP1318529 A3 EP 1318529A3 EP 02027301 A EP02027301 A EP 02027301A EP 02027301 A EP02027301 A EP 02027301A EP 1318529 A3 EP1318529 A3 EP 1318529A3
Authority
EP
European Patent Office
Prior art keywords
soft magnetic
magnetic actuator
actuator part
fabrication process
surface hardened
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02027301A
Other languages
German (de)
French (fr)
Other versions
EP1318529A2 (en
Inventor
Johannes Dr. Tenbrink
Wolfgang Barthon
Heinz-Joachim Dr. Spies
Heinz Dr. Zimbras
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vacuumschmelze GmbH and Co KG filed Critical Vacuumschmelze GmbH and Co KG
Publication of EP1318529A2 publication Critical patent/EP1318529A2/en
Publication of EP1318529A3 publication Critical patent/EP1318529A3/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/327—Manufacturing or calibrating methods, e.g. air gap treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

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%.

Figure 00000001
Soft magnetic actuator part with surface hardness increased by nitriding of at least 150 HV0.01, characterized by the following depth profile of the N concentration: in the depth range up to 1 µm a peak value of the maximum N concentration of at least 0.2%, at a depth of 1 µm an N -Concentration of at least 0.25% and at a depth of 2 µm an N-concentration of at least 0.1%.
Figure 00000001
EP02027301A 2001-12-10 2002-12-06 Surface hardened soft magnetic actuator part and fabrication process Withdrawn EP1318529A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10160550 2001-12-10
DE10160550 2001-12-10

Publications (2)

Publication Number Publication Date
EP1318529A2 EP1318529A2 (en) 2003-06-11
EP1318529A3 true EP1318529A3 (en) 2004-01-14

Family

ID=7708637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027301A Withdrawn EP1318529A3 (en) 2001-12-10 2002-12-06 Surface hardened soft magnetic actuator part and fabrication process

Country Status (1)

Country Link
EP (1) EP1318529A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012218914A1 (en) 2012-10-17 2014-04-17 Robert Bosch Gmbh Protective circuit arrangement for a multi-voltage network
DE102014213510A1 (en) * 2014-07-11 2016-02-18 Robert Bosch Gmbh Method for nitriding a component of a fuel injection system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1092286A (en) * 1996-09-13 1998-04-10 Nec Corp Electromagnetic relay and its manufacture
EP0910101A1 (en) * 1997-04-03 1999-04-21 Kawasaki Steel Corporation Ultra-low iron loss unidirectional silicon steel sheet
WO2000063454A1 (en) * 1999-04-15 2000-10-26 Vacuumschmelze Gmbh Corrosion-free iron-nickel alloy for residual-current circuit-breakers and clockworks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1092286A (en) * 1996-09-13 1998-04-10 Nec Corp Electromagnetic relay and its manufacture
EP0910101A1 (en) * 1997-04-03 1999-04-21 Kawasaki Steel Corporation Ultra-low iron loss unidirectional silicon steel sheet
WO2000063454A1 (en) * 1999-04-15 2000-10-26 Vacuumschmelze Gmbh Corrosion-free iron-nickel alloy for residual-current circuit-breakers and clockworks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31) *

Also Published As

Publication number Publication date
EP1318529A2 (en) 2003-06-11

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