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A NEW METHOD OF MEASURING CONTACT POTENTIAL DIFFERENCES IN METALS
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EngineeringMeasurementMechanical EngineeringEducationVacuum DeviceContact Potential DifferencesCorrosionHigh Vacuum WorkContact MechanicInstrumentationDissimilar MetalsMaterials ScienceInterfacial ProcessPhysicsMetallurgical InteractionElemental MetalInstrument ScienceSurface ScienceApplied PhysicsInstrument DevelopmentElectronic InstrumentationElectrical InsulationInterface Phenomenon
A new method is described for measuring the contact potential differences between dissimilar metals. It enables one to measure the p.d. to 1/1000 volt in a few seconds of manipulation. An apparatus is described for studying metals in air and another is described for high vacuum work.