Fatigue strength and residual stresses in the seating zone of a coupling sleeve in plane bending

Turovskii, M. L.; Belozerov, Valery; Shifrin, I. M.; Fuks, M. Ya.

doi:10.1007/bf01528227

Cited by 7 publications

(3 citation statements)

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“…It has been suggested that stress concentrators may be the mechanism for relaxation in this regime (Nelson et al, 1970;Ericsson et al, 1971;Turovskii et al, 1976). Support for this idea of local yielding can also be found in the work of Morrow and Sinclair (1960) who found that the harder the steel, the less the fading.…”

Section: Residual Stresses In Fatiguesupporting

confidence: 51%

“…19. This study is a particular example of the need for such measurements, as the compressive zone is wider and the The effect of stresses from mechanical surface treatment on fatigue behavior of steel has been examined (Hayashi et al, 1973 ;Ivanov and Pavlov, 1976 ;Turovskii et al, 1976). A particularly interesting (but often overlooked)study is that by Evans, Ricklefs and Millan (1966).…”

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confidence: 99%

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The Measurement of Residual Stresses by X-Ray Diffraction Techniques

James¹,

Cohen²

1978

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Section: Residual Stresses In Fatiguesupporting

confidence: 51%

mentioning

confidence: 99%

The Measurement of Residual Stresses by X-Ray Diffraction Techniques

James¹,

Cohen²

1978

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“…It has been suggested that stress concentrators may provide the mechanism for relaxation in this regime [18][19][20][21], although definitive results are lacking. Pattinson and Dugdale [15], for example, found that relaxation did not begin until 10 7 cycles in an aluminum alloy L65 (4-1/2% Cu) cycled below the nominal endurance limit.…”

Section: Fatigue Near the Endurance Limitmentioning

confidence: 99%

The Relaxation of Residual Stresses During Fatigue

James

1982

Residual Stress and Stress Relaxation

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Microplastic deformation during fatigue of aluminum alloys permits relaxation of residual surface stresses at peak external stress amplitudes that are appreciably less than the yield strength. A review of the literature reveals that this process has not been adequately modeled. We propose and evaluate a model of relaxation which is based upon consideration of the nature of the microplastic deformation process. Residual surface stresses measured during fatigue of an Al 2219-T851 alloy are predicted from the cyclic stress amplitude, the initial magnitude of the residual stress and the ambient humidity during fatigue. It is shown that the rate of relaxation is greatest for those surface preparation processes which produce the steepest residual stress gradient normal to the surface. The rapid relaxation of surface residual stresses in aluminum alloys is an important effect that must be quantitatively understood before adequate prediction of the effect of such stresses on fatigue life can be made.

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