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Possibilities of fretting corrosion model testing for contact surfaces of automotive connectors

  • The number of electrical contacts in automotive applications increases steadily. The trends of miniaturisation in all fields of technique and the increasing demands concerning functionality, mechanical and thermal load require the permanent development of connectors. An improvement of electrical connectors can be achieved by coating of the connector elements. Additionally, the price of improved connectors has to remain as low as possible. One of the most important degradation processes that limits electrical functionality is fretting corrosion, caused by vibrations. The development of better coatings requires a check of functionality at a very early state of development. For this purpose different test facilities are available, that be used in order to qualify the improvement. In model tests with simple specimens made of original connector materials the electrical degradation mechanisms caused by friction and wear processes can be studied. It is shown for tin- and gold-coatings that inThe number of electrical contacts in automotive applications increases steadily. The trends of miniaturisation in all fields of technique and the increasing demands concerning functionality, mechanical and thermal load require the permanent development of connectors. An improvement of electrical connectors can be achieved by coating of the connector elements. Additionally, the price of improved connectors has to remain as low as possible. One of the most important degradation processes that limits electrical functionality is fretting corrosion, caused by vibrations. The development of better coatings requires a check of functionality at a very early state of development. For this purpose different test facilities are available, that be used in order to qualify the improvement. In model tests with simple specimens made of original connector materials the electrical degradation mechanisms caused by friction and wear processes can be studied. It is shown for tin- and gold-coatings that in tribometer tests under certain parameters wear appearances and mechanisms can be similar to that in product testing. Thus, model testing methods can help to reduce time-to-market.zeige mehrzeige weniger

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Metadaten
Autor*innen:Dieter Klaffke, I. Buresch, P. Rehbein
Persönliche Herausgeber*innen:F. Franek
Dokumenttyp:Beitrag zu einem Sammelband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Tribology 2001
Jahr der Erstveröffentlichung:2001
Herausgeber (Institution):Österreichische Tribologische Gesellschaft
Verlag:ÖTG
Verlagsort:Wien
Erste Seite:413
Letzte Seite:416
Freie Schlagwörter:Coating; Connector coatings; Contact failure; Contact resistance; Fretting corrosion; Model testing
Veranstaltung:2nd World Tribology Congress ; 2nd WTC 2001
Veranstaltungsort:Vienna, Austria
Beginndatum der Veranstaltung:2001-09-03
Enddatum der Veranstaltung:2001-09-07
URL:http://www.wieland.de/internet/index.jsp
ISBN:3-901657-07-X
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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