Changes

Jump to: navigation, search

Silver Based Materials

37 bytes removed, 16:50, 12 March 2014
Silver–Graphite (GRAPHOR)-Materials
<figtable id="tab:tab2.33">
'''Table 2.33: Contact and Switching properties of Silver–Graphite (GRAPHOR) Contact Materials'''
<table border="1" cellspacing="0" styleclass="border-collapse:collapsetwocolortable"><tr><tdth><p class="s12">Material/</p><p class="s12">DODUCO-Designation</p></tdth><tdth><p class="s11">Properties</p></tdth></tr><tr><td><p class="s12">Ag/C</p><p class="s12">GRAPHOR</p></td><td><p class="s12">Highest resistance against welding during make operations at high currents,</p><p class="s12">High resistance against welding of closed contacts during short circuit,</p><p class="s12">Increase of weld resistance with higher graphite contents, Low contact resistance,</p><p class="s12">Low arc erosion resistance, especially during break operations, Higher arc erosion with increasing graphite contents, at the same time carbon build-up on switching chamber walls increases, GRAPHOR with vertical orientation has better arc erosion resistance, parallel orientation has better weld resistance,</p><p class="s12">Limited arc moving properties, therefore paired with other materials,</p><p class="s12">Limited formability,</p><p class="s12">Can be welded and brazed with decarbonized backing, GRAPHOR DF is optimized for arc erosion resistance and weld resistance</p></td></tr></table>
</figtable>

Navigation menu

Powered by