Different Materials in the Journal and Bearing
Requirements other than thermoelastic stability may dictate the materials of a journal and bearing. This choice can greatly modify the conditions for quasi-static and dynamic seizure. Partitioning of heat, expansion, and especially the resistance to external cooling all play significant roles in quasi-static seizure. On the other hand, external cooling is of marginal importance in the dynamic seizure mechanism.
KeywordsCritical Speed External Cool Aluminum Iron Bearing Material Iron Iron
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