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→6.4.2 Contact Physics – Formulas
c = material dependent proportionality factor<br/>
m = shape dependent exponent of the contact force
{| class="twocolortable" style="text-align: left; font-size: 12px"
|-
!Material combination
!c
|-
|Copper - Copper
|(0.08 bis 0.14) x 10<sup>-3</sup>
|-
|Aluminium - Aluminium
|Copper and copper alloys for springs and connectors
|-
|DIN EN 1758
|Copper and copper alloys in strip form for system component carriers
|-
|ASTM B 103/B103M-10 ||Spec. for Phosphor Bronce Plate, Sheet, Strip, and Rolled Bar
|-
|ASTM B 36/B36M-95 || Spec. for Brass Plate, Sheet, Strip, and Rolled Bar
|-
|ASTM B 122/B122M-08 || Spec. for CuNiSn-, CuNiZn-, and CuNi-Alloy
|-
|ASTM B 465-09 || Spec. for Copper-Iron-Alloy Plate, Sheet, and Strip
|-
|ASTM B 194-08 || Standard Spec. for CuBe-Alloy Plate, Sheet, Strip and Rolled Bar
|-
|ASTM B 534-07 || Sec. for CuCoBe-Alloy and CuNiBe-Alloy Plate, Sheet, Strip, and Rolled Bar
|-
|}
==References==
[[Application Tables and Guideline Data for Use of Electrical Contact Design#References|References]]
