DE1175885B - Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits - Google Patents

Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits

Info

Publication number
DE1175885B
DE1175885B DENDAT1175885D DE1175885DA DE1175885B DE 1175885 B DE1175885 B DE 1175885B DE NDAT1175885 D DENDAT1175885 D DE NDAT1175885D DE 1175885D A DE1175885D A DE 1175885DA DE 1175885 B DE1175885 B DE 1175885B
Authority
DE
Germany
Prior art keywords
gold
heterogenized
practically
induction
self
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.)
Pending
Application number
DENDAT1175885D
Other languages
German (de)
Inventor
Pforzheim Dr. Eugen Dürrwächter und Dipl.-Phys. Wilhelm Merl
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.)
Doduco Solutions GmbH
Original Assignee
Doduco GmbH and Co KG Dr Eugen Duerrwaechter
Publication date
Publication of DE1175885B publication Critical patent/DE1175885B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/02—Alloys based on gold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Contacts (AREA)

Claims (1)

Patentanspruch: Verwendung einer durch Glühen bei relativ niedriger Temperatur, z. B. bei 500 bis 600° C, heterogenisierten Gold-Kobalt-Legierung, bestehend aus 2,5 bis 7,50!o Kobalt, Rest Gold, als Werkstoff zur Herstellung von praktisch keine Materialwanderung aufweisenden, gleichstromdurchflossenen Schwachstromkontakten für Schaltkreise mit im Bereich von 6 - 10-8 bis 2 -10-5 Henry liegender Selbstinduktion. In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. 910 839; »Chemisches Zentralblatt«, 1948 I, S. 505; »Zeitschrift für Metallkunde (Metallforschung)«, 1.947, S. 284; »Zeitschrift für Metallkunde«, 1950, S. 234 bis 235, und 1.953, S. 22 bis 26; E. J ä n e c k e, »Kurzgefaßtes Handbuch aller Legierungen«, 1949, S. 90.Claim: Use of an annealing at a relatively low temperature, e.g. B. at 500 to 600 ° C, heterogenized gold-cobalt alloy, consisting of 2.5 to 7.50! O cobalt, the remainder gold, as a material for the production of low-current DC contacts through which there is practically no material migration for circuits with in the range of 6-10-8 to 2-10-5 Henry recumbent self-induction. Documents considered: German Patent No. 910 839; "Chemisches Zentralblatt", 1948 I, p. 505; "Zeitschrift für Metallkunde (Metallforschung)", 1.947, p. 284; "Zeitschrift für Metallkunde", 1950, pp. 234 to 235, and 1 .953, pp. 22 to 26; E. Jänecke, "Brief Handbook of All Alloys", 1949, p. 90.
DENDAT1175885D Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits Pending DE1175885B (en)

Publications (1)

Publication Number Publication Date
DE1175885B true DE1175885B (en) 1964-08-13

Family

ID=601509

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1175885D Pending DE1175885B (en) Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits

Country Status (1)

Country Link
DE (1) DE1175885B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369156A1 (en) * 1988-10-19 1990-05-23 Degussa Aktiengesellschaft Use of a high gold content alloy in jewellery

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910839C (en) * 1942-10-16 1954-05-06 Siemens Ag Contact alloy for telecommunications equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910839C (en) * 1942-10-16 1954-05-06 Siemens Ag Contact alloy for telecommunications equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369156A1 (en) * 1988-10-19 1990-05-23 Degussa Aktiengesellschaft Use of a high gold content alloy in jewellery

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