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There were carried out a research and results' analysis of switching properties of contacts made of Ag-W and Ag-W-Re consisting of 50% of Ag and 1-4% of Re. Contacts were made using powder metallurgy methods: Press-Sinter-Repress and Press-Sinter-Infiltrate method. Arc erosion tests, measurements of contact resistance change and contacts' tack welding tests were carried out in model testing conditions...
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