===<!--6.4.5 -->Physical Effects in Sliding and Connector Contacts===
*'''Mechanical wear of sliding contacts'''
<table class="twocolortable" style="text-align: left; font-size:12px;width:40%">
</table>
[[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]]
Fig. 6.15: 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:fig6.16"/> 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 iddiv class="fig:fig6.17multiple-images"/> Fig. 6[[File:Coefficient of frictional wear for the wear loss of sliding contacts Silver Silver.17jpg|left|thumb|Figure 1: Contact resistance R<sub>k<Coefficient of frictional wear for the wear loss of sliding contacts Silver/Silver and hard gold/sub> hard gold as a function of the fretting wear cycles for different surface coating materialscontact force]]
<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|rightleft|thumb|Figure 2: 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|rightleft|thumb|Figure 3: Contact resistance R<sub>k</sub> as a function of the fretting wear cycles for different surface coating materials]]
</figure>
</div>
<figtable id="tab:Surface Coating Materials for Connectors"><caption>'''<!--Tab.6.4: -->Surface Coating Materials for Connectors'''</caption>
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<div id="text-reference">(1) is formed during hot tinning process</div>
</figtable>
<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]]
