Lubrication Mechanisms in Tungsten and Molybdenum Wire
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- Category: Molybdenum knowledge
- Published on 06 August 2013
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Experiments simulating tungsten and molybdenum wire drawing have been performed involving instrumented drawing of ribbon, using colloidal graphite as the lubricant.
The results show that once a reasonably continuous film of graphite lubricant is provided at the die/ribbon interface, the characteristics of the lubricant are those of graphite.
A simple analytical model in which the friction is an arithmetic mean of the contributions to friction of each of the species on the wire agrees well with experiment.
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