How does creep differ from fatigue Stephanie Redfern @The Saylor

Question 5 / 40: How does creep differ from fatigue?

A Creep refers to slow deformation resulting in change in macroscopic shape; fatigue refers to
the weakening of material over time caused by repeated use or loading.

B They do not differ.

C Creep refers to the overall weakening of a material through pressure; fatigue refers to the
weakening that occurs at susceptible stress points.

D Creep is temperature dependent; fatigue is not.

E Creep is more significant for very large pieces than fatigue; fatigue is more important for
small pieces that fail as a result of small-crack propagation.

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Explanation:

Creep is slow, permanent deformation under small loads. You may refer to the reading for sub-subunit 3.3.5.

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Mechanics I ME102

Author:

Stephanie Redfern

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Stephanie Redfern, Ranjeet (Ron) Agarwala, and Dr. Steve Gibbs. Mechanics I. The Saylor Academy 2014, http://www.saylor.org/courses/me102/

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