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To clarify the effect of WO3 addition on the electrical performance of Ag-4wt.%TiB2 contact material, each contact pair was made 20,000 operations at 12 V, 29 A for the Ag-4wt.%TiB2 contact materials without and with WO3 addition. The morphology and chemical composition of arc eroded contact surface were characterized by scanning electron microscope and energy dispersive spectrometer, and the mass...
To clarify the correlation of strengthening phase and particle sizes with the material transfer behavior for Ag-based contact materials, the Ag-4wt%TiB2 and Ag-4wt%SnO2 contact materials reinforced with different TiB2 and SnO2 particles were prepared, and the electrical contact tests were up to 5000 operations at different voltages. The surface morphologies of arc-eroded specimens were characterized...
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