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  • Artikel  (396)
  • Cambridge University Press  (327)
  • Blackwell Publishing Ltd  (69)
  • American Meteorological Society
  • Springer Nature
  • Springer Science + Business Media
  • 2015-2019
  • 1985-1989  (396)
  • 1960-1964
  • 1989  (396)
  • Maschinenbau  (396)
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  • Artikel  (396)
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  • 2015-2019
  • 1985-1989  (396)
  • 1960-1964
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  • 1
    Digitale Medien
    Digitale Medien
    EDITORIAL: SOFTWARE SURVEY SECTION (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00556.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    HYDRODYNAMIC PRESSURE EFFECTS OF VISCOUS FLUID FLOW IN A FATIGUE CRACK (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— The influence of hydrodynamic pressure on fatigue crack growth rates has been investigated. It was shown that the effects were small but beneficial, effectively reducing the stress intensity range. A theoretical model has been developed which successfully predicted the trends and approximate magnitudes of reductions in fatigue crack growth rates for a range of test conditions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00561.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    LIFE PREDICTION FOR CREEP-FATIGUE BASED ON THE GROWTH OF SHORT CRACKS (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— For two types of steels (comparable to the 304-type and 347-type of steels) the nucleation and growth of short surface cracks was examined as a function of hold-time, strain rate, and temperature. In addition, for the same range of parameters, damage parameter vs cycles to failure curves were calculated from measured lifetimes. The measured rates, dα/dN, were compared with a model for the growth of creep-fatigue cracks. At large strains, life was found to be dominated by the growth of short cracks. The life data were compared with the life calculated from the crack growth data. The results showed that except for cases in which crack growth is controlled by the coalescence of cavities, the specimen life can be predicted correctly by integrating the growth rate of microcracks.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00564.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    INFORMATION ON CONFERENCES/SEMINARS (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00555.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    DETERMINATION OF STRESS CORROSION CRACK INITIATION STRESS AND CRACK VELOCITIES USING SLOWLY STRAINED TAPERED SPECIMENS (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— Previous work has shown that a single tapered cylindrical specimen subjected to slow strain rate testing can provide data for the crack initiation stress of 70/30 brass in 1N NaNO2 solution. In order to test the wider applicability of that technique, crack initiation stresses of a further five systems were measured. These were 70/30 brass in an ammoniacal solution, copper in sodium nitrite and mild steel in carbonate–bicarbonate, hydroxide or nitrate solutions. The results are compared with those obtained from tests on plain cylindrical specimens subjected to interrupted slow strain rate tests or to constant load tests, and the agreement is reasonable. The method also is capable of providing data on the stress dependence of crack velocities.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00558.x
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  • 6
    Digitale Medien
    Digitale Medien
    THE EFFECTS OF STRESS RATIO, COMPRESSIVE PEAK STRESS AND MAXIMUM STRESS LEVEL ON FATIGUE BEHAVIOUR OF 2024-T3 ALUMINIUM ALLOY (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— Fatigue crack growth behaviour of 2024-T3 aluminium alloy is investigated as a function of stress ratio, compressive peak stress and maximum stress level. It is found that as the stress ratio and the magnitude of the compressive peak stress are increased, the threshold stress intensity range decreased linearly. Intermediate and near threshold growth rate data are analysed with different formulae for effective stress intensity range. The data covered different values of stress ratio, compressive peak stress and maximum stress level. A formula for the crack opening stress level is introduced as a function of stress ratio, compressive peak stress and maximum stress level. The formula permitted a good correlation between crack growth data for both positive stress ratio and negative compressive peak stress values. Using the new formula, intermediate and near threshold crack growth data for the 2024-T3 aluminium alloy yielded a unique crack growth rate vs effective stress intensity range curve for all stress ratio and compressive peak stress values investigated. This suggests that for the 2024-T3 aluminium alloy the crack growth rate vs effective stress intensity range curve does not depend on stress ratio, compressive peak stress, or maximum stress level. The significance of the new equation and the crack growth rate versus effective stress intensity range curve is that they allow a designer to find crack growth rate vs stress intensity range data for the 2024-T3 aluminium alloy in both intermediate and near threshold regions for the particular stress ratio, compressive peak stress and maximum stress level conditions of the component under investigation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00503.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    VECTOR CTD CRITERION APPLIED TO MIXED MODE FATIGUE CRACK GROWTH (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— This work is aimed at developing a general parameter based on the deformation intensity at a mixed mode crack tip to predict crack growth behaviour, especially in the near threshold region. Being a mechanisms-related parameter, the vector crack tip displacement (CTD) is defined as a vector summation of CTOD and CTSDc which act, respectively in the directions of mode I and mode II fatigue crack growth. The basic assumption is that both direction and rate of mixed mode fatigue crack growth are governed by the vector ΔCTD, which represents the resultant of the “driving force”at the crack tip. The analytical predictions obtained by using the vector ΔCTD are in good agreement with the reported experimental results of mixed mode I and II fatigue cracks.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00508.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    FRETTING FATIGUE AT ELEVATED TEMPERATURES IN TWO STEAM TURBINE STEELS (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— —Fatigue tests and fretting fatigue tests of two steam turbine steels at room temperature and 773 K were carried out. The reduction of fatigue life and strength in the fretting test were significant at 773 K as well as at room temperature. The values of the friction coefficient at 773 K was almost equal to those at room temperature. The geometry of the fretting fatigue crack was flat in the early stage of fatigue life where a significant effect of fretting was observed. With increasing crack length and with a reducing effect of fretting, the fatigue crack shape changed to a semi-circular form. The fretting fatigue lives predicted on the basis of elastic-plastic fracture mechanics analysis, with the frictional force between the fretting pad and the specimen taken into consideration, agreed well with experimental results at both temperatures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00549.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    THE USE OF SPATE TO MEASURE RESIDUAL STRESSES AND FATIGUE CRACK GROWTH (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— —SPATE was used to monitor thermoemissions during fatigue crack propagation tests conducted on centre-cracked tension (CCT) specimens at different mean stress levels, and on CCT specimens containing compressive residual stresses. The results obtained showed the SPATE stress intensity factor (SIF) predictions to correlate with the applied SIF range rather than the effective SIF range, thus demonstrating that SPATE was unable to account for the effects of mean stress and residual stress on fatigue crack growth. Further, although SPATE can be used to predict fatigue crack growth rates faster than 10–8m/cycle, in the region of low growth rates slower than this, the prediction of growth rates became impractical. Even at maximum resolution and scan time, the technique was unable to detect the changes in thermoemission caused by such small and slow crack tip advances.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00536.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    THE EFFECT OF SPECIMEN SIZE ON THE CTOD R-CURVE BEHAVIOUR OF A TITANIUM ALLOY (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 12 (1989), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: Abstract— —This paper presents preliminary results from a large experimental programme to study geometry and size effects in CTOD R-curves. The results presented were obtained from unloading compliance R-curve tests performed at room temperature on different sized single-edge-notch bend specimens made from Ti–3Al–2V alloy. The crack growth resistance was measured in terms of both the conventional CTOD, δ0, (i.e. as defined in BS 5762) and CTOD corrected for crack growth, δR. It was found that the δ0 and δR R-curves were independent of specimen size up to crack extensions corresponding to approximately 10–15% of the original uncracked ligament. Also, after crack extensions of 30–40% of the initial ligament the δ0 and δR R-curves exhibited well defined upswings. The upswing in the CTOD R-curves is thought to be a result of a reduction in crack tip constraint.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1989.tb00539.x
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