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===<!--6.4.5 -->Physical Effects in Sliding and Connector Contacts===
*'''Mechanical wear of sliding contacts'''
[[File:Coefficient of frictional wear for the wear loss of sliding contacts Silver Silver.jpg|right|thumb|Coefficient of frictional wear for the wear loss of sliding contacts Silver/Silver and hard gold/hard gold as a function of the contact force]]
*'''Contact behavior of connectors'''
<xr id="fig:fig6.16Contact resistance Rk as a function of the contact force Fk"/> <!--Fig. 6.16: --> Contact resistance R<sub>k</sub> as a function of the contact force F<sub>k</sub> for different surface coating materials. Measured against a spherical gold probe; I = 10 mA, U < 20 mV
<xr id="fig:fig6.17Contact resistance Rk as a function of the fretting wear cycles"/> <!--Fig. 6.17: --> Contact resistance R<sub>k</sub> as a function of the fretting wear cycles for different surface coating materials
<div class="multiple-images">
<figure id="fig:fig6.16Contact resistance Rk as a function of the contact force Fk">
[[File:Contact resistance Rk as a function of the contact force Fk.jpg|right|thumb|Contact resistance R<sub>k</sub> as a function of the contact force F<sub>k</sub> for different surface coating materials. Measured against a spherical gold probe; I = 10 mA, U < 20 mV]]
</figure>
<div class="multiple-images">
<figure id="fig:fig6.17Contact resistance Rk as a function of the fretting wear cycles">
[[File:Contact resistance Rk as a function of the fretting wear cycles.jpg|right|thumb|Contact resistance R<sub>k</sub> as a function of the fretting wear cycles for different surface coating materials]]
</figure>
</div>
<div class="clear"></div>
<figtable id="tab:Surface Coating Materials for Connectors">
<caption>'''<!--Tab.6.4: -->Surface Coating Materials for Connectors'''</caption>
{| class="twocolortable" style="text-align: left; font-size: 12px"
<div class="clear"></div>
==References==
[[Application Tables and Guideline Data for Use of Electrical Contact Design#References|References]]
[[de:Physikalische_Effekte_bei_Gleit-_und_Steckkontakten]]
