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An In Situ Method to Study Atmospheric Corrosion of Contact Material

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1 Author(s)
Svedung, O. ; Chalmers University of Technology and University of Göteborg, Göteborg, Sweden

Contact material substrate plated with gold or palladium can be attacked by corrosion through the pores existing in the top-coat. Since the corrosion products usually are poor conductors they cause increased contact resistance. Investigations have been made by measuring the Contact resistance as a function of time in different atmospheres. This is a powerful but expensive and laborious method. An apparatus for the in situ measurement of pore corrosion based on diffuse scattering is reported here.

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Components, Hybrids, and Manufacturing Technology, IEEE Transactions on  (Volume:9 ,  Issue: 3 )