Make erosion on Ag/SnO/sub 2/ and Ag/CdO contacts in commercial contactors

Rieder, W.; Weichsler, V.

doi:10.1109/33.87308

Cited by 8 publications

(1 citation statement)

References 3 publications

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“…In der Literatur existieren zahlreiche Veröffentlichungen, die dieses Thema behandelt haben. Dabei wurde insbesondere das Erosionsverhalten der Kontaktmaterialien an der Oberfläche untersucht [1,2,3,4]. Viele Schalteigenschaften, wie zum Beispiel die elektrische Leitfä-higkeit, die Wärmeleitfähigkeit und das Verschweiß-Verhalten hängen von dem Elektrodenmaterial ab.…”

Section: Introductionunclassified

Untersuchung des Erosionsverhaltens von silberbasierten Kontaktwerkstoffen mittels FIB‐Techniken

Selzner

Jeanvoine

Velichko

et al. 2008

Materialwissenschaft Werkst

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The understanding of the degradation mechanisms of contact materials is a key issue for the development of new materials with enhanced durability. This can be achieved through the investigation of the microstructure modification caused by electrical arcs on the surface of contacts. In this work, the erosion behaviour of pure silver and silver based composites as well as the characterization in two or three dimensions is presented. Single breaking operations were performed with direct current. Using white light interferometry, the size of the craters on the surface as well as the volume of eroded material has been measured. By means of dual beam techniques, the microstructural modifications in the crater have been investigated and reconstructed in three dimensions.

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Section: Introductionunclassified

Untersuchung des Erosionsverhaltens von silberbasierten Kontaktwerkstoffen mittels FIB‐Techniken

Selzner

Jeanvoine

Velichko

et al. 2008

Materialwissenschaft Werkst

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Anti-Arc Erosion Properties of Ag-La2Sn2O7/SnO2 Contacts

Zhang

Shen

et al. 2016

Rare Metal Materials and Engineering

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La2Sn2O7/SnO2 composite powder was synthesized by chemical co-precipitation, and Ag-La2Sn2O7/SnO2 electrical contact material was prepared by a powder metallurgy method. Anti-arc erosion properties, mass loss and Vickers hardness of the Ag-La2Sn2O7/SnO2 composite were investigated, and its anti-arc erosion mechanism was discussed. Results show that the welding force of Ag-La2Sn2O7/SnO2 composite is much better than that of Ag-SnO2, because the new phase La2Sn2O7 can increase the viscosity of melt pool and improve wettability between silver and tin oxide to some extent. Meanwhile, Flatter arcing area and "beads-like" particles embedded scatteredly in the surface could decentralize arc energy via "pinning effect", which decreases temperature rise and weakens the damage of surface structure, and better anti-welding property is obtained. Ag-La2Sn2O7/SnO2 composite could be a leading candidate material for electrical contacts in the future.

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Performance and arcing characteristics of Ag/Ni contact materials under DC resistive load conditions

Swingler

2011

IET Science, Measurement &Amp; Technology

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Make erosion on Ag/SnO/sub 2/ and Ag/CdO contacts in commercial contactors

Cited by 8 publications

References 3 publications

Untersuchung des Erosionsverhaltens von silberbasierten Kontaktwerkstoffen mittels FIB‐Techniken

Untersuchung des Erosionsverhaltens von silberbasierten Kontaktwerkstoffen mittels FIB‐Techniken

Anti-Arc Erosion Properties of Ag-La2Sn2O7/SnO2 Contacts

Performance and arcing characteristics of Ag/Ni contact materials under DC resistive load conditions

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