Experimental and numerical investigation of thickness effect on ductile fracture toughness of steel alloy sheets

Shahani, A.R.; Rastegar, M.; Dehkordi, M. Botshekanan; Kashani, H. Moayeri

doi:10.1016/j.engfracmech.2009.12.017

Cited by 28 publications

(10 citation statements)

References 14 publications

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“…Shahani et al [26] examined the effect of thickness on ductile fracture toughness of steel alloy sheets numerically and experimentally. According to their study, as the crack length increases the J-integral increases as well.…”

Section: Numerical Resultsmentioning

confidence: 99%

Experimental and Numerical Investigation of Mixed-Mode Interlaminar Fracture of Carbon-Polyester Laminated Woven Composite by Using Arcan Set-up

2011

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Composite materials are widely used in marine, aerospace and automobile industries. These materials are often subjected to defects and damages from both in-service and manufacturing process. Delamination is the most important of these defects. This paper reports investigation of mixed-mode fracture toughness in carbon-polyester composite by using numerical and experimental methods. All tests were performed by Arcan set-up. By changing the loading angle, α, from 0°to 90°at 15°intervals, mode-I, mixed-mode and mode-II fracture data were obtained. Correction factors for various conditions were obtained by using ABAQUS software. Effects of the crack length and the loading angle on fracture were also studied. The interaction j-integral method was used to separate the mixed-mode stress intensity factors at the crack tip under different loading conditions. As the result, it can be seen that the shearing mode interlaminar fracture toughness is larger than the opening mode interlaminar fracture toughness. This means that interlaminar cracked specimen is tougher in shear loading condition and weaker in tensile loading condition.

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Section: Numerical Resultsmentioning

confidence: 99%

Experimental and Numerical Investigation of Mixed-Mode Interlaminar Fracture of Carbon-Polyester Laminated Woven Composite by Using Arcan Set-up

2011

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“…The results of experimental investigations of mode III fracture of thin sheets of medium-strength steels were reported in [16,17].…”

Section: Fracture Mechanicsmentioning

confidence: 99%

Experimental study of pipelines steel

Meriem-Benziane

Zahloul

2015

J Appl Mech Tech Phy

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This work is focused on an experimental study of E26-2 pipeline steel tearing by mode III. The crack propagation length is obtained as a function of the applied force magnitude for specimens of different thicknesses and widths. The critical stress intensity factor and the essential work needed for crack propagation are determined by the energy balance method. It is demonstrated that these variables depend on the pipeline thickness and specimen geometry.

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“…Having obtained the required statistics for the counted stress amplitudes, the fatigue crack growth can be predicted by using Eq. (16). Equation (16) can also be written in the following non-dimensional form, with the initial crack size a 0 , as a crack length normalization factor:…”

Section: Calculation Of Fatigue Life and Reliability Of The Structurementioning

confidence: 99%

“…(16). Equation (16) can also be written in the following non-dimensional form, with the initial crack size a 0 , as a crack length normalization factor:…”

Section: Calculation Of Fatigue Life and Reliability Of The Structurementioning

confidence: 99%

Fatigue crack growth analysis of a reinforced cylindrical shell under random loading

Salari

Shahani

Kashani

2014

Fatigue Fract Eng Mat Struct

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In this paper, fatigue crack growth analysis and reliability evaluation of a reinforced cylindrical shell subjected to random loading have been studied. At first, random loading is extracted from an experimentally obtained power spectral density curve. Then, stress analysis of the shell is carried out using Abaqus® (ABAQUS Inc., Palo Alto, CA, USA) standard code with the aid of a shell‐to‐solid submodelling technique, and the critical positions susceptible of crack nucleation are determined. Then, the fatigue crack propagation is simulated three‐dimensionally in these regions using the Zencrack® software (Zentech International Ltd, London, UK), and the fatigue life and reliability are calculated using the central limit theory. For the evaluation of fatigue life of the full‐scale structure, a procedure of fatigue crack growth and linking up of the two adjacent cracks emanating from critical rivet holes is outlined under random cyclic loading. Using stochastic analysis, closed‐form relations are derived for the probability of failure and reliability.

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Experimental and numerical investigation of thickness effect on ductile fracture toughness of steel alloy sheets

Cited by 28 publications

References 14 publications

Experimental and Numerical Investigation of Mixed-Mode Interlaminar Fracture of Carbon-Polyester Laminated Woven Composite by Using Arcan Set-up

Experimental and Numerical Investigation of Mixed-Mode Interlaminar Fracture of Carbon-Polyester Laminated Woven Composite by Using Arcan Set-up

Experimental study of pipelines steel

Fatigue crack growth analysis of a reinforced cylindrical shell under random loading

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