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...[vibration]] and achieving smooth running, for long engine [[metal fatigue|fatigue]] life and user comfort.

...ers must bend sharply where they contact the races, and thus the bearing [[Fatigue (material)|fatigues]] relatively quickly. ...ch push away the bearing [[lubricant]]. Sometimes, the resulting metal-to-metal contact welds a microscopic part of the ball or roller to the race. As the

...e engine irreparable; it can result from overheating, [[fatigue (material)|fatigue]] near a physical defect in the rod, lubrication failure in a bearing due t ...which results in an uneven mating surface due to the grain of the powdered metal. This ensures that upon reassembly, the cap will be perfectly positioned wi

...lines at the pivoting areas. Allowing steel lines to flex invites [[metal fatigue]] and, ultimately, brake failure. ...ommon use of light oils as hydraulic fluids; oil displaces water and coats metal parts, protecting them against corrosion, and it can tolerate much higher t

...elling]]" section below) is a silvery and [[ductile]] member of the [[poor metal]] group of [[chemical element]]s. It has the symbol '''Al'''; its [[atomic ...ion]] (due to the phenomenon of [[passivation]]) and its light weight. The metal is used in many industries to manufacture a large variety of products and i

...ver an aircraft, or the use of [[metal fatigue|Miner's rule]] to calculate fatigue damage to an engineering structure. Second, engineering research employs ma