The influence of gaseous impurities on the gold welding of metal surfaces |
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| Affiliation: | 1. Neuropsychopharmacology and Biopsychology Unit, Faculty of Psychology, University of Vienna, Austria;2. Department of Genetic Psychology, Faculty of Psychology, Ruhr-University Bochum, Germany;3. Department of Economics, Royal Holloway, University of London, United Kingdom;4. Department of Reproductive Medicine, University of Münster, Germany;5. Department of Psychology, Laboratory for Biological and Personality Psychology, University of Freiburg, Freiburg, Germany;6. Freiburg Brain Imaging Center, University Medical Center, University of Freiburg, Germany |
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| Abstract: | The analysis of the properties of cold welded metallic junctions as monitored by contact resistance measurements is extended to include the effects of impurities. Brittle fracture of both iron and copper similar metal, cold welded junctions was observed. This is in marked contrast to the bulk properties of these materials. It is believed the fracture properties of these materials were influenced by impurities embrittling the junctions. If impurities caused this behavior, the surface energy would consequently be lowered by these impurities and evidence of this is noted. |
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