Pulvermetallurgie elektrischer Kontakte

Schreiner, Horst

doi:10.1007/978-3-642-94905-0

Cited by 30 publications

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“…The size of the nickel particles has a great influence on the contact properties of the material. Thus, according to Schreiner, an AgNi 10 sintered composite material with a nickel particle size of around 1 p m exhibits only approximately half the erosion of the equivalent material with particle sizes between 10 and 100 p m (10).…”

Section: Abb 7 Gefiige Von Agcdo Mit Zusatzen Verschiedener Metallementioning

confidence: 99%

Composites for Electrical Contact Applications

Stöckel¹

1979

Materialwissenschaft Werkst

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Two general groups of physical composite properties can be distinguished. The first group comprises the "combination properties", which can in turn be subdevided into "sum properties" and "product properties". The first are due to an addition of the properties, and the latter to the interaction of the components involved. The second group comprises the "structural properties", i.e. properties which are determined by the geometry and the size of rhe phases.Since many years metallic compositcs like laminated composites, particle composites, infiltrated composites and fibre composites have been used for electrical contact applications. Fibre composite contact materials like silver-nickel, copper-nickel and copper-palladium can be fabricated in a simple and thus inexpensive way by bundling sheated wires and subjecting this bundle to severe cold forming with subsequent heat treatments.Silver-nickel fibre composites with up to 7 0 w.-% nickel are used as electrical contacts for igniters in gas discharge lamps. Moreovcr composites with very thin nickel fibres show excellent magnetic properties. Electrical contacts made of copperpalladium fibre composites show extremely low material transfer when switching direct currents. Like contact materials, materials for spark plug electrodes have to exhibit a low are erosion, a high thermal conductivity and a good corrosion resistance. Good results have been obtained with copper nickel fibre composites.

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Section: Abb 7 Gefiige Von Agcdo Mit Zusatzen Verschiedener Metallementioning

confidence: 99%

Composites for Electrical Contact Applications

Stöckel¹

1979

Materialwissenschaft Werkst

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Copper‐Based Alloys

Heller

2006

Materials Science and Technology

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Neue Entwicklungsrichtungen in der Pulvermetallurgie

Kieffer

Jangg

1967

Chemie Ingenieur Technik

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In einem Überblick über die Entwicklung der Pulvermetallurgie in den letzten zehn Jahren werden die wichtigsten Fortschritte auf dem Gebiet der Pulvergewinnung und bei der Verarbeitung der Pulver zu Formteilen besprochen. Die bisher erzielten Eigenschaften und neuere Anwendungen der pulvermetallurgisch hergestellten Produkte, wie z. B. hochschmelzende Metalle, Hartmetalle, zunderfeste Werkstoffe und Auftropflegierungen, Schwitzkühl‐Legierungen, gesinterte Formstücke aus Eisen‐ oder Kupfer‐Legierungen, metallische Verbundkörper, dispersionsgehärtete Legierungen usw., werden behandelt, wobei an einigen Beispielen die Bedeutung aufgezeigt wird, die die Pulvermetallurgie für viele Industriezweige, wie den Automobilbau, die Elektroindustrie, die Kerntechnik oder die Raketen‐Entwicklung, erlangt hat.

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Pulvermetallurgie elektrischer Kontakte

Cited by 30 publications

References 0 publications

Composites for Electrical Contact Applications

Composites for Electrical Contact Applications

Copper‐Based Alloys

Neue Entwicklungsrichtungen in der Pulvermetallurgie

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