Corrosion-Fatigue Failure of Gas-Turbine Blades in an Oil and Gas Production Plant

Rajabinezhad, Mojtaba; Bahrami, Abbas; Mousavinia, Mohammad; Seyedi, Seyed Jalil; Taheri, Peyman

doi:10.3390/ma13040900

Cited by 36 publications

(13 citation statements)

References 30 publications

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“…Stolarz and Foct [31] have investigated the onset of fatigue cracks and their further development. Experimental studies [32][33][34][35][36] have also shown that the microstructure of steel plays a key role in the formation of surface cracking under fatigue loading.…”

Section: Results Of Fatigue Testsmentioning

confidence: 99%

The Effect of the Shot Blasting Process on the Dynamic Response of Steel Reinforcement

Basdeki

Apostolopoulos

2022

Metals

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As it is widely known, corrosion poses a real threat for reinforced concrete structures, especially when they are located in coastal areas. This phenomenon, in conjunction with repeated loads, such as intense seismic events, adversely affect their useful service life. Several experimental studies have presented the magnitude of degradation of steel reinforcement due to corrosion in the presence of fatigue, which affects either the serviceability or durability of steel reinforcement. As a result, the current experimental study presents the results of the shot blasting process of steel reinforcement at various times of exposure to a corrosive environment and the influence on their dynamic response after the execution of low cycle fatigue tests at different constant strain amplitudes. The findings show the beneficial effect of the shot blasting process in terms of percentage mass loss and the improvement of mechanical performance of steel bars in terms of service life and energy dissipation capacity. Moreover, the assessment performed with a quality material index demonstrates the improved mechanical performance of shot blasted specimens vs. bare specimens, in the long term for medium range-imposed deformation.

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Section: Results Of Fatigue Testsmentioning

confidence: 99%

The Effect of the Shot Blasting Process on the Dynamic Response of Steel Reinforcement

Basdeki

Apostolopoulos

2022

Metals

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“…Furthermore, when the implant is used to replace the lost tissue, it will undergo a complicated process, especially for the degradation mechanism. This degradation mechanism is one of the most common reasons for failure [7]. It can be caused by a degradation mechanism that causes a material's volume to decrease [8] that affects the material's toughness.…”

Section: Introductionmentioning

confidence: 99%

Level of Activity Changes Increases the Fatigue Life of the Porous Magnesium Scaffold, as Observed in Dynamic Immersion Tests, over Time

et al. 2023

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In the present study, the effects of human physiological activity levels on the fatigue life of a porous magnesium scaffold have been investigated. First, the dynamic immersion and biomechanical testing are carried out on a porous magnesium scaffold to simulate the physiological conditions. Then, a numerical data analysis and computer simulations predict the implant failure values. A 3D CAD bone scaffold model was used to predict the implant fatigue, based on the micro-tomographic images. This study uses a simulation of solid mechanics and fatigue, based on daily physiological activities, which include walking, running, and climbing stairs, with strains reaching 1000–3500 µm/mm. The porous magnesium scaffold with a porosity of 41% was put through immersion tests for 24, 48, and 72 h in a typical simulated body fluid. Longer immersion times resulted in increased fatigue, with cycles of failure (Nf) observed to decrease from 4.508 × 1022 to 2.286 × 1011 (1.9 × 1011 fold decrease) after 72 hours of immersion with a loading rate of 1000 µm/mm. Activities played an essential role in the rate of implant fatigue, such as demonstrated by the 1.1 × 105 fold increase in the Nf of walking versus stair climbing at 7.603 × 1011 versus 6.858 × 105, respectively. The dynamic immersion tests could establish data on activity levels when an implant fails over time. This information could provide a basis for more robust future implant designs.

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“…In corrosive environments, intensive corrosion control methods, such as inhibitors, cathodic protection, and coating, are required to maintain the integrity of the pipes, insufficiency or inadequate measures can even result in the need for early replacement [18]. A more corrosionresistant pipe technology, such as Corrosion-resistant alloys (CRA) and polymer composites, should be chosen to reduce pipeline corrosion.…”

Section: Introductionmentioning

confidence: 99%

A Three-stage Hybrid Multi-criteria Model for the Selection of Material for Subsea Pipeline Design Considering Several Environmental Scenario.

Aikhuele

2022

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Subsea pipelines are such a crucial part of offshore oil and gas production, therefore their design and construction should be as efficient and cost effective as possible. Proper material selection is critical for a successful operation and a longer pipeline lifespan. For the selection of a design material with the highest reliability under dynamic environment as the one obtained in the oil and gas industry, a three-stage hybrid multi-criteria model have been proposed. The hybrid multi-criteria model, which is based on an integrated Analytical Hierarchy Process (AHP) model and the VlseKriterijumskaOptimizacija I KompromisnoResenje (VIKOR) model, is used for the evaluation and selection of a suitable and high reliability-based design material for the subsea pipeline design by considering several operational and environmental scenario the pipes might encounter in the field. With the vast amount of engineering materials available to the design engineer, selecting a suitable and high reliability-based material for the subsea pipeline design is a tedious and demanding task especially under a dynamic environment scenario. In this paper, ten subsea pipeline material alternatives of different types, with seven criteria, have been critically examined under a three case scenario. Results from the evaluation show that, for the first case study scenario -sour service hydrocarbon transport in deep waters-, 22% Cr stainless steel is found to be the best choice material, for the second case study scenario, Carbon Fiber Reinforced Polymer is selected as the best. While for the third case study scenario, carbons steel and polymers material is found to be the most reliable material choice.

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Corrosion-Fatigue Failure of Gas-Turbine Blades in an Oil and Gas Production Plant

Cited by 36 publications

References 30 publications

The Effect of the Shot Blasting Process on the Dynamic Response of Steel Reinforcement

The Effect of the Shot Blasting Process on the Dynamic Response of Steel Reinforcement

Level of Activity Changes Increases the Fatigue Life of the Porous Magnesium Scaffold, as Observed in Dynamic Immersion Tests, over Time

A Three-stage Hybrid Multi-criteria Model for the Selection of Material for Subsea Pipeline Design Considering Several Environmental Scenario.

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