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Welcome to our Wiki of electrical contacts

The basis of this Wiki is the 2012 issue of the "DODUCO Data Book of Electrical Contacts" which is also available in printed form.
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Featured Article

Formeln aus der Kontaktphysik

Formeln aus der Kontaktphysik

  • Engewiderstand
R_e = \rho/2a

(Einflächenkontakt nach Holm, kreisförmige Berührungsfläche zwischen fremdschichtfreien Oberflächen)

R_e = \rho/2Na

(Mehrflächenkontakt nach Holm ohne gegenseitige Beeinflussung der N Einzelflächen)

R_e = \rho/2 x \sum a_i + 3 \pi \rho /32N^2 x \sum \sum (s_ij) i \neq j

(Mehrflächenkontakt nach Greenwood unter Berücksichtigung der gegenseitigen Beeinflussung)

  • Kontaktwiderstand
...

Featured Files

Softening of AgCdO9010P after annealing.jpg
Softening of Ag/CdO 90/10 P after annealing for 1 hr after 40% cold working
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis

by Doduco Redaktion


Micro structure of Ag SnO2 88 12 PE.jpg
Micro structure of Ag/SnO2 88/12 PE: a) perpendicular to extrusion direction b) parallel to extrusion direction
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis

by Doduco Redaktion


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