A critical review of available composite damage growth test data under fatigue loading and implications for aircraft sustainment

Molent, L.; Haddad, Abdolhosein

doi:10.1016/j.compstruct.2019.111568

Cited by 17 publications

(8 citation statements)

References 14 publications

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“…It is because the ability of the heat sink to distribute unwanted heat and prevent overheating will also determine the value of the coefficient of performance (COP) of the thermoelectric cooling system 30) . Heat pipe technology has previously been widely used in the field of aerospace equipment technology [30][31][32][33][34] . Heat pipes have a very high thermal conductivity value, when compared to other metals heat pipes have a thermal conductivity value hundreds of times greater.…”

Section: Thermoelectric Principlementioning

confidence: 99%

Mini Review of Thermoelectric and their Potential Applications as Coolant in Electric Vehicles to Improve System Efficiency

Harsito¹,

Putra²,

Purba³

et al. 2023

Evergreen

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Thermoelectric is a phenomenon of the temperature difference conversion into electrical energy or vice versa. The phenomenon has been developed into a module so that it can be used as a power generator or as a cooling/heating device. The use of thermoelectric can be further expanded as a system for generating small electrical energy and as a component for compact cooling and heating. If a unidirectional voltage is applied to the thermoelectric module, a temperature difference occurs between the two sides of the module. The cold side can be used as a cooler and the hot side can be used as a heater. Thermoelectric refrigeration technology has been applied in various applications such as beverage coolers and electronic coolers. However, the application of this technology in the vehicle still needs attention because it has good potential. Reviews relating to the application of thermoelectric cooling in vehicles are still not widely discussed, especially in terms of vehicles such as the performance of electric motors and braking. So, in this study, the use of thermoelectric as coolants in large components such as cooling in electric vehicles and braking components are discussed. Basic knowledge of the history, characteristics, performance of thermoelectric are also covered. Studies that had been carried out in several reported topics prove the potential and reliability of thermoelectric.

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Section: Thermoelectric Principlementioning

confidence: 99%

Mini Review of Thermoelectric and their Potential Applications as Coolant in Electric Vehicles to Improve System Efficiency

Harsito¹,

Putra²,

Purba³

et al. 2023

Evergreen

View full text Add to dashboard Cite

show abstract

“…However, the fatigue evolution of composite materials is highly complex due to various forms of fatigue damage and the intricate failure mechanisms 3 . To ensure flight safety, the design of composite structure is usually conservative, resulting in the increase of the structural weight 4 . Therefore, with the use of high allowable strain and long service life, it is of great meaning to establish a reliable method for evaluating the service condition and predicting the fatigue evolution of composites.…”

Section: Introductionmentioning

confidence: 99%

Fatigue evolution prediction for fiber‐reinforced plastics based on frequency‐wavenumber wavefield of guided wave using deep‐learning model

Huang,

Zhang,

Tao

et al. 2023

Fatigue Fract Eng Mat Struct

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Employing the laser ultrasonic system, information on fatigue evolution can be captured and explicitly stored in the frequency‐wavenumber wavefield of the guided wave. This paper presents a deep‐learning architecture for processing the frequency‐wavenumber wavefield, which comprises two distinct steps: fatigue characterization and evolution prediction. Firstly, the fatigue characterization step employs a convolutional autoencoder (CAE) for compressing the frequency‐wavenumber wavefield and a fully connected network (FCN) for obtaining the fusion fatigue characteristic. Due to the high cost of experimental samples, extensive simulation‐generated wavefields are used to pre‐train the network. Subsequently, the fatigue evolution prediction model based on the latent ordinary differential equation (Latent‐ODE) is trained for the step‐by‐step prediction of fatigue evolution with a small amount of composite fatigue test data. The results validate the effectiveness of the deep‐learning architecture in characterizing fatigue and predicting its evolution, as well as the feasibility of the frequency‐wavenumber wavefield compression of guided wave.

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“…Concerning life after damage, the structure may experience damage growth under cyclic/fatigue loading, leading to a life limit decline [14]. SHM must be conducted regularly to structures in order to assess their integrity during their operational life cycle.…”

Section: Introductionmentioning

confidence: 99%

Development of Laboratory-scale Lamb Wave-based Health Monitoring System for Laminated Composites

Gunawan¹,

Farrasamulya

Kuswoyo

et al. 2021

J. Eng. Technol. Sci.

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This paper presents the development process of a laboratory-scale Lamb wave-based structural health monitoring (SHM) system for laminated composite plates. Piezoelectric patches are used in pairs as actuator/sensor to evaluate the time of flight (TOF), i.e. the time difference between the transmitted/received signals of a damaged plate and those of a healthy plate. The damage detection scheme is enabled by means of evaluating the TOF from at least three actuator/receiver pairs. In this work, experiments were performed on two GFRP plates, one healthy and the other one with artificial delamination. Nine piezoelectric transducers were mounted on each plate and the detection of the delamination location was demonstrated, using 4 pairs and 20 pairs of actuators/sensors. The combinations of fewer and more actuators/sensor pairs both provided a damage location that was in good agreement with the artificial damage location. The developed SHM system using simple and affordable equipment is suitable for supporting fundamental studies on damage detection, such as the development of an algorithm for location detection using the optimum number of actuator/sensor pairs.

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A critical review of available composite damage growth test data under fatigue loading and implications for aircraft sustainment

Cited by 17 publications

References 14 publications

Mini Review of Thermoelectric and their Potential Applications as Coolant in Electric Vehicles to Improve System Efficiency

Mini Review of Thermoelectric and their Potential Applications as Coolant in Electric Vehicles to Improve System Efficiency

Fatigue evolution prediction for fiber‐reinforced plastics based on frequency‐wavenumber wavefield of guided wave using deep‐learning model

Development of Laboratory-scale Lamb Wave-based Health Monitoring System for Laminated Composites

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