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2. Fretting - Wikipedia

   en.wikipedia.org/wiki/Fretting

   Fretting refers to wear and sometimes corrosion damage of loaded surfaces in contact while they encounter small oscillatory movements tangential to the surface. Fretting is caused by adhesion of contact surface asperities , which are subsequently broken again by the small movement.

3. False brinelling - Wikipedia

   en.wikipedia.org/wiki/False_brinelling

   False brinelling is a bearing damage caused by fretting, with or without corrosion, [1] that causes imprints that look similar to brinelling, but are caused by a different mechanism. False brinelling may occur in bearings which act under small oscillations [ 2 ] or vibrations.

4. Spall - Wikipedia

   en.wikipedia.org/wiki/Spall

   Spalling occurs in preference to brinelling, where the maximal shear stress occurs not at the surface, but just below, shearing the spall off. One of the simplest forms of mechanical spalling is plate impact, in which two waves of compression are reflected on the free-surfaces of the plates and then interact to generate a region of high tensile ...

5. Precession (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Precession_(mechanical)

   This tends to accelerate the wear process, possibly leading to spalling, galling, or false brinelling (fretting wear) of the contact surfaces. In stationary parts on a rotating object, such as a bolt threaded into a hole, because the sideways, or radial, load constantly shifts position during use, this lateral force translates into a rolling ...

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7. NFL Week 10 injury report: Live updates on active, inactive ...

   www.aol.com/nfl-week-10-injury-report-123057438.html

   With four teams on a bye for Week 10, Sunday's slate of games will be slightly thinner than usual.However, that doesn't mean this week is devoid of exciting matchups. Fans can look forward to 12 ...

8. Wear - Wikipedia

   en.wikipedia.org/wiki/Wear

   Fretting wear is the repeated cyclical rubbing between two surfaces. Over a period of time fretting which will remove material from one or both surfaces in contact. It occurs typically in bearings, although most bearings have their surfaces hardened to resist the problem.

9. Are Energy Drinks Actually Bad For You? Experts Weigh In - AOL

   www.aol.com/energy-drinks-actually-bad-experts...

   Energy drinks have been at the center of public discourse recently—and not in a good way. Influencer-backed brands that market to minors are widely criticized. Chains like Panera have faced ...