Shape growth simulation of surface cracks in tension fatigued round bars

Lin, Xiaobin; Smith, R.A.

doi:10.1016/s0142-1123(97)00012-1

Cited by 74 publications

(34 citation statements)

References 17 publications

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“…In particular, the load sharing criteria is inadequate. Hence, a step-bystep finite element approach, like that used by Lin and Smith [1997;1999] is necessary.…”

Section: Resultsmentioning

confidence: 99%

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The fatigue behaviour of three-dimensional stress concentrations

Bellett

Taylor

Marco

et al. 2005

International Journal of Fatigue

148

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“…In particular, the load sharing criteria is inadequate. Hence, a step-bystep finite element approach, like that used by Lin and Smith [1997;1999] is necessary.…”

Section: Resultsmentioning

confidence: 99%

“…Techniques have been developed to predict the shape evolution o f fatigue cracks. The approach o f Lin and Smith [1997;1999] is typical.…”

Section: Estimating the Actual Crack Shapementioning

confidence: 99%

The fatigue behaviour of three-dimensional stress concentrations

Bellett

Taylor

Marco

et al. 2005

International Journal of Fatigue

148

View full text Add to dashboard Cite

“…A number of works have dealt with crack problems [14][15][16][17][18][19][20][21][22][23][24][25][26]30].…”

Section: Fracture Mechanical Analysis Of Damaged Structural Componentsmentioning

confidence: 99%

Determination of fracture mechanics parameters structural components with surface crack under thermomechanical loads

Maksimović¹,

Stamenković²,

Maksimović³

et al. 2016

Sci Tech Rev

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Rotational components of aero engine turbine are the most important components. It operates at high temperature and under conditions of extreme environmental attack such as oxidation, corrosion and wear. These conditions can cause cracking of rotational components. The failure damage modes of turbine are classified in terms of main components as flow path parts, rotating such as rotor, groove, disk, and blade. Aero-engine turbine components such as discs and blades are susceptible to environmentally assisted cracking. Unlike fatigue crack growth, this involves crack growth under constant load. If the crack grows long enough, sudden failure can occur with catastrophic consequences. It is therefore desirable to identify the limiting crack size within fixings so that they can be inspected at regular intervals and removed from service before failure occurs. Three dimensional axis-symmetric finite element models were created to simulate a disc and the portion of a blade. The finite element method (FEM) allowed the prediction of the point of crack initiation and the crack propagation using the orientations of the maximum principal stresses. Stress intensity factor (SIF) is the base parameter in strength analysis regarding fracture mechanics. For a correct determination of SIF in this paper, combining J-integral approach and FEM is used. J-integral is a path independent integral around the crack tip.

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“…9,14,15) The assumed 2D model has the fixed circle at the center of crack growing (dashed lines with the radius of crack length as a i ), and another circle for the tendon wire (solid line). The difference in the radii of the two crack propagations is determined by average stress intensity factor, and the estimation of the plastic zone size using the well known Irwin correction factor, r y , which was also proposed in the previous study by Lin et al 16) …”

Section: Geometry and Modelmentioning

confidence: 99%