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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

Testing of Contact Surface Layers

For applications at low switching loads, contact layers with thicknesses in the range of just a few micrometers are widely used. For testing such thin layers, the actual coating properties must be distinguished from the functional properties. Coating properties include, besides others, porosity, hardness and ductility. Depending on the application, the most important function properties are for example frictional wear, contact resistance, material transfer or contact welding behavior. Besides these, other technological properties such...

Featured Files

Micro structure of AgCdO9010ZH.jpg
Micro structure of Ag/CdO 90/10 ZH: 1) Ag/CdO layer 2) AgCd backing layer

by Doduco Redaktion


Fine grain microstructure of AgNiO.jpg
Fine grain microstructure of AgNi0.15 after 80% cold working and 1 hr annealing at 600°C
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis

by Doduco Redaktion


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