octahedral normal stress
octahedral normal stress
[¦äk·tə¦hē·drəl ′nȯr·məl ‚stres] (mechanics)
The normal component of stress across the faces of a regular octahedron whose vertices lie on the principal axes of stress; it is equal in magnitude to the spherical stress across any surface. Also known as mean stress.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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