Tools and methods for addressing the durability of rolling stock

Peng, Daren; Jones, Rhys; Constable, T

doi:10.1016/j.engfailanal.2013.08.011

Cited by 14 publications

(26 citation statements)

References 28 publications

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“…This concept was independently proposed by Zheng and Hirt where it was validated for a range of steels. Variants of this formulation have been proposed by a large number of researchers …”

Section: A Brief Backgroundmentioning

confidence: 99%

Fatigue crack growth and damage tolerance

Jones

2014

Fatigue Fract Eng Mat Struct

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The problems arising as a result of aging aircraft, rail and civil infrastructure have focused attention on tools for predicting the growth of cracks from small naturally occurring material discontinuities. To this end, the present paper discusses on the difference between the analysis tools needed for ab initio design and sustainment, modelling of cracks that grow from small naturally occurring material discontinuities and ways to determine the short crack da/dN versus ΔK data from long crack American Society for Testing and Materials (ASTM) tests. It also discusses how existing equations can be used to predict short crack growth and how to account for the variations seen in crack growth histories. Attention is also focused on the recent Federal Aviation Administration limit of validity ruling and the effect of the environment on widespread fatigue damage in civil transport aircraft.

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“…This concept was independently proposed by Zheng and Hirt where it was validated for a range of steels. Variants of this formulation have been proposed by a large number of researchers …”

Section: A Brief Backgroundmentioning

confidence: 99%

Fatigue crack growth and damage tolerance

Jones

2014

Fatigue Fract Eng Mat Struct

Self Cite

147

227

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“…Extract the stresses at the fatigue critical locations c) Use 3D, or 2D weight functions [14][15][16][17], or alternatively Trefftz function solutions [18 -20] to compute the K(a, c) solution space. Here "a" is the crack depth and "c" is the surface crack length.…”

Section: Introductionmentioning

confidence: 99%

“…This generally takes less than 5 minutes on a laptop or a PC. Examples of this technique applied to cracking in sideframes, couplers and rail wheels are given in [14,17] and examples associated with cracking in aerospace materials are given in [8,21]. d)…”

Section: Introductionmentioning

confidence: 99%

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Effect of corrosion and fatigue on the remaining life of structures and its implication to additive manufacturing

Peng

Jones²,

Berto

et al. 2018

Frattura Ed Integrità Strutturale

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ABSTRACT. This paper investigates the combined effect of corrosion and fatigue on the growth of cracks that arise from natural corrosion in steel bridges. It is shown that if these two effects need to be simultaneously analyzed. If not, then the resulting life is not conservative. Consequently, to enable a better understanding of the remaining life of steel bridges this paper presents a simple methodology for performing this coupled analysis. The implication of this study to additively manufactured Ti-6Al-4V is also discussed. KEYWORDS. Steel bridges; Corrosion; Fatigue crack growth; Remaining life.Citation: Peng., D., Jones, R., Berto, F., Razavi, S.M.J., Effect of corrosion and fatigue on the remaining life of structures and its implication to additive manufacturing, Frattura ed Integrità Strutturale, 45 (2018) 33-44.

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“…An advantage of this approach is that it negates the need to explicitly model cracks, see . A crack of any size can be analysed using the original (un‐cracked) finite element model.…”

Section: Introductionmentioning

confidence: 99%