fatigue strength


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Related to fatigue strength: fatigue life, Fracture toughness

fatigue strength

[fə′tēg ‚streŋkth]
(mechanics)
The maximum stress a material can endure for a given number of stress cycles without breaking. Also known as endurance strength.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

fatigue strength

A measure of the ability of a material or structural element to carry a load without failure when the loading is repeated a definite number of times.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

fatigue strength

The maximum stress that can be sustained for a specified number of cycles without failure; the stress is completely reversed within each cycle unless other-wise stated. Also called fatigue limit. See fatigue (i).
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
These stresses do not exceed the known fatigue strength of stainless steel (~300 MPa).
As revealed in Figure 15, the rotor speed w, gas temperature T, and fatigue strength coefficient [[sigma]'.sub.f] are the leading factors on the fatigue life of turbine blisk as the effect probabilities are 32%, 25%, and 21%, respectively.
As previously mentioned, fatigue strength of every welded detail depends on imperfections inside the weld and local stress concentrations due to the effect of detail geometry or the notch effect inside weld.
Fatigue strength improvement by ultrasonic impact treatment of highly stressed spokes of cast aluminum wheels.
Furthermore, the fatigue strengths for alternating and pulsating loading in and transverse to the fiber orientation and for shear loading were implemented.
Data for prime glass fiber reinforced nylon 6 (PAGF) from a previous study [19] are presented as a reference to demonstrate the effect of recycling on tensile and fatigue strength of the nylon compounds.
This proportion reduces the alloy's density, and also increases such mechanical properties as strength, stiffness, toughness, and fatigue strength by more than 30 percent.
The effect of preloading and its sign on the fatigue strength and fatigue life is evaluated.
Among the topics are a man-machine engineering design analysis of a computer chair, the foundation on the evaluation system of technical transformation investment for idle fixed assets in the petroleum enterprises, the dynamic strength analysis of marine diesel on unsteady working conditions, a knowledge-based rapid design system for crane gantries, multi-axial fatigue strength assessment of railway vehicle bogie frames, regional differences of urban resident consumption structure in China based on a fuzzy matter element model, remote affective interaction based on an ambient metaphor for the emotional care of the elderly, data mining in telecom data warehousing, and the basic theory system of knowledge engineering in the product design domain.
Welds, the curvature of bent bars and corrosion favour crack initiation and lead to low fatigue strength.