Acoustic emission approach to determining survivability in fatigue tests

Evseev, Dmitriy; Medvedev, B. M.; Medvedev, Philip; Strautmanis, Guntis; Samoshkin, Sergei

doi:10.1016/j.procs.2019.01.136

Cited by 7 publications

(3 citation statements)

References 4 publications

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“…In the phases of unstable growth, which are composed of phases of accelerated and slow growth, the length of the crack in the phase of accelerated growth l istab can be determined by an equation similar to (5), proposed for the process of stable growth: (6) The extent of crack growth in the slow growth phase can be determined by the dependent: (7) where is the average speed of crack growth;…”

Section: Results Of Testing Gte Bladesmentioning

confidence: 99%

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Characteristics of Mathematical Modeling of Acoustic Emission Method for Diagnosis of Fatigue Cracks in the Elements of Marine Power Plants

Hamideen

Chandrasekaran

Neelakantan

2023

Latvian Journal of Physics and Technical Sciences

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Uranium is characteristic lithospheric component and is found nearly in all kinds of soils and waters; in any case, its quantity changes from water-to-water contingent on their cause. Subsequently, in the current investigation, the concentration of uranium in groundwater tests was estimated utilizing LED fluorimeter and the related health hazards appraisal was checked. The concentration of uranium ranges from 0.5 to 10.7 μg L−1 with average value of 2.76 μg L−1. The excess cancer hazard was seen in the scope of 1.416×10−6 – 30.309×10−6 with an average of 7.804 ×10−6. This mean estimation of the excess cancer risk in the Kanchipuram locale is less than the greatest adequate degree of l.67 × 10−4 as per AERB (2004). Consequently, there is no hurtful impact to the neighbourhood individuals who are devouring the water in the examination zone. The average cancer mortality and grimness chances were determined to show that the probability of cancer-causing chances related to water test and significant health was evaluated utilizing hazard quotient from chemical harmfulness of uranium. The values watched for hazard quotient in all areas in the examination are beneath the edge estimation of 1, as recommended by USEPA. This shows that there are no unsafe impacts on the nearby individuals in the investigation zone.

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Section: Results Of Testing Gte Bladesmentioning

confidence: 99%

“…The application of the method AE naturally raises issues related to the identification of fracture criteria and prediction of fatigue life of structures [6], [7].…”

Section: Acoustic Emission Methodsmentioning

confidence: 99%

Characteristics of Mathematical Modeling of Acoustic Emission Method for Diagnosis of Fatigue Cracks in the Elements of Marine Power Plants

Hamideen

Chandrasekaran

Neelakantan

2023

Latvian Journal of Physics and Technical Sciences

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“…Cyclically alternating weights in rotor systems also require ensuring their fatigue strength. To check the strength of the rotor and ABD parts, one can, in particular, use the approach mentioned in [14].…”

Section: Introductionmentioning

confidence: 99%

Modelling of transient and steady-state modes of a vertical rotor with an automatic balancing device

Strautmanis¹,

Filimonikhin²,

Mezitis³

et al. 2021

J. vibroeng.

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The authors of the study work out the differential equations of motion of a vertical rotor model on an elastic-dissipative suspension, balanced by a ball-type automatic balancing device. Often, the cross-section of the cavity of the body of the automatic balancing device is rectangular and during rolling the balls have two points of contact, in one of which the balls slide along the surface of the cavity. To prevent the balls from sliding, the inner surface of the cavity of the automatic balancing device is made in the shape of a torus, which provides one point of contact. The forces of gravity and the forces of resistance to the movement of the correcting weights are taken into account, and the model is drawn up for both viscous and dry friction forces inside the body of the automatic balancing device. The obtained mathematical model of the rotor makes it possible to study the transient and steady-state modes of motion of the rotor system.

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Environment Safety Improving Due to Railway Noise Management Decreasing of RMR Method Adaptation

Mezitis

Strautmanis

Baranovskis

et al. 2020

Ecology in Transport: Problems and Solutions

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Acoustic emission approach to determining survivability in fatigue tests

Cited by 7 publications

References 4 publications

Characteristics of Mathematical Modeling of Acoustic Emission Method for Diagnosis of Fatigue Cracks in the Elements of Marine Power Plants

Characteristics of Mathematical Modeling of Acoustic Emission Method for Diagnosis of Fatigue Cracks in the Elements of Marine Power Plants

Modelling of transient and steady-state modes of a vertical rotor with an automatic balancing device

Environment Safety Improving Due to Railway Noise Management Decreasing of RMR Method Adaptation

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