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Narasi Sridhar
DNV GL
123Publications
15H-index
820Citations
Publications 123
Newest
2018 in Corrosion [IF: 1.93]
Narasi Sridhar15
Estimated H-index: 15
Corrosion researchers have developed many approaches to predicting the occurrence of different corrosion modes. Four types of predictive analytics can be identified: data-centric correlative analysis, theory-based semi-empirical models, expert-knowledge-based models, and theory-based, multi-scale models. However, most new corrosion failures have been serendipitous discoveries, rather than anticipated through a systematic process. This paper reviews stress corrosion cracking (SCC) of carbon steel...
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2018 in Corrosion [IF: 1.93]
John A. Beavers7
Estimated H-index: 7
(DNV GL),
Leon Stock2
Estimated H-index: 2
,
Sandeep Chawla2
Estimated H-index: 2
... more
Approximately 55 million gallons of radioactive and chemically hazardous waste are stored at the Hanford site in underground single shell and double shell tanks constructed of carbon steel. In 2012, the primary liner of one of the double shell tanks, AY-102, began leaking. This paper summarizes the results of investigations into the cause and contributing factors for the failure
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2018 in Corrosion [IF: 1.93]
K. Evans3
Estimated H-index: 3
(DNV GL),
Narasi Sridhar15
Estimated H-index: 15
(DNV GL),
Brandon Rollins2
Estimated H-index: 2
(DNV GL)
... more
The long-term shifts of corrosion potential are important in predicting the likelihood of localized corrosion and stress corrosion cracking (SCC) of carbon steel used for storing radioactive wastes in underground storage tanks. Although considerable work has been done in understanding the passivity and corrosion potential of steel in various electrolytes, an important aspect of the current work is in assessing the effects of multi-year exposures of steel in waste simulants and their effects on c...
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2018 in Corrosion [IF: 1.93]
Narasi Sridhar15
Estimated H-index: 15
,
Christopher D. Taylor14
Estimated H-index: 14
,
Ramgopal Thodla5
Estimated H-index: 5
Source
Francois Ayello6
Estimated H-index: 6
(DNV GL),
Hao Chen (DNV GL), Narasi Sridhar15
Estimated H-index: 15
(DNV GL)
... more
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2018 in Corrosion [IF: 1.93]
S. Chawla (DNV GL), K. Evans3
Estimated H-index: 3
(DNV GL),
Brandon Rollins2
Estimated H-index: 2
(DNV GL)
... more
Source
Narasi Sridhar15
Estimated H-index: 15
(DNV GL),
Ramgopal Thodla5
Estimated H-index: 5
(DNV GL),
Feng Gui6
Estimated H-index: 6
(DNV GL)
... more
ABSTRACTCorrosion-resistant alloys (CRAs) are employed in severe oil and gas production environments that operate at high pressures and temperatures and contain chlorides, CO2, and H2S. They exhibit high resistance to uniform corrosion in these environments due to their passivity. However, they can suffer from different forms of environmentally assisted cracking (EAC), depending on the environmental and metallurgical conditions. This paper reviews the recent literature of EAC in CRAs and present...
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Shan Guan2
Estimated H-index: 2
,
Christopher D. Taylor14
Estimated H-index: 14
,
Narasi Sridhar15
Estimated H-index: 15
This paper summarized influencing factors to the sensor system reliability used in Oil and Gas. A management plan based on criticalities of influencing factors to the overall system is proposed. Prediction of sensor system reliability will be especially useful in the situation where sensor systems can degrade over time in service. A modeling approach has been carried out in this paper to combine the Bayesian network modeling and 'Analytical Redundancy relations' Methodology for assessing sensor ...
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2017 in Corrosion [IF: 1.93]
A. Anderko4
Estimated H-index: 4
,
L. Cao2
Estimated H-index: 2
,
Feng Gui6
Estimated H-index: 6
... more
A recently developed framework for predicting localized corrosion and stress corrosion cracking of corrosion-resistant alloys (CRAs) in oil and gas production environments relies on the computation of the repassivation potential and corrosion potential. While the repassivation potential defines the threshold condition for the existence of stable pits or crevice corrosion, the corrosion potential quantifies the driving force for localized corrosion. Localized corrosion can occur if the corrosion ...
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2017 in Corrosion [IF: 1.93]
Narasi Sridhar15
Estimated H-index: 15
The localized chemistry in pits, crevices, and cracks has been studied since the middle of the 1920’s. Galvele introduced a quantitative framework for localized corrosion through his paper on acidification in pits. He developed a concept that required that the arithmetic product of pit depth and current density (x·i) must attain a critical value in order to sustain this local acidification. This framework, introduced in 1976, is still useful today. However, advances in modeling and analytical te...
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