Early fatigue damage detecting sensors—A review and prospects

Wang, Pengfei; Takagi, Toshiyuki; Takeno, Takanori; Miki, Hiroyuki

doi:10.1016/j.sna.2013.03.025

Cited by 32 publications

(18 citation statements)

References 80 publications

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“…Piezoresistive gauge factor comparable with the gauge factor of the main material of the semiconducting strain gauges silicon was reported [4][5][6][7][8][9][10]. Thus, in combination with the beneficial properties mentioned above, diamond like carbon films became an attractive material for fabrication of the advanced sensors capable to work in different harsh environments [14,[26][27][28][29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

Piezoresistive properties of diamond like carbon films containing copper

Meškinis

Gudaitis

Vasiliauskas

et al. 2015

Diamond and Related Materials

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Section: Introductionmentioning

confidence: 99%

Piezoresistive properties of diamond like carbon films containing copper

Meškinis

Gudaitis

Vasiliauskas

et al. 2015

Diamond and Related Materials

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“…Along these lines, monitoring of the dielectric coating degradation in sliding conditions, due to wear or other coating degradation mechanisms, can be helpful in the framework of defining a predictive approach of a dependable coating operating life [4,31]. Actually, usage of DLC coatings with different electrical properties have already been studied in fatigue damage sensors [32], being crack formation and propagation one of the potential degradation mechanisms of dielectric DLC coatings. Furthermore, this can also be valuable in the framework of coating process development and optimization studies, as coating failure modes can be related to coating deposition process parameters, evolution, and degradation of the dielectric properties, testing or operating conditions, etc.…”

Section: Introductionmentioning

confidence: 99%

Electro-tribological properties of diamond like carbon coatings

et al. 2019

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Diamond like carbon (DLC) coatings typically present good self-lubricating tribological properties that could be of interest in sliding dielectric contacts in multiple electrical applications. In this work electro-tribological studies have been performed on several DLC coatings against aluminum in different humidity conditions, in which the coefficients of friction (CoFs) and electrical contact resistance (ECR) were continuously monitored. Results show that CoF and ECR data can be linked to the properties of the coatings (thickness, finishing, microstructure, residual stresses, and wettability) and the degradation modes of their tribological and electrical properties. Therefore, electro-tribological data can provide valuable information about the performance of dielectric coatings, the reasons behind it, and assist in the development of the coatings. ECR also shows potential for on-line monitoring of coated parts in operation.

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“…Fatigue failure occurs following the initiation of microscopic cracks in a structural component, typically (but not exclusively) at locations of high stress, and the growth and propagation of these cracks leading to the rupture of the component [5,6]. Early detection of growing fatigue cracks is therefore important to initiate corrective actions with the aim to avoid failure of the component [7].…”

Section: Introductionmentioning

confidence: 99%

Fatigue failure monitoring of 316L stainless steel coupons using optical fibre based distributed strain sensing

Pauw¹,

Hinderdael²,

Moonens³

et al. 2019

Smart Mater. Struct.

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We demonstrate the application of optical frequency domain reflectometry to detect, locate and track the propagation of fatigue cracks in simple beam-shaped stainless-steel specimens. To do so we recorded the strain distribution along the entire length of hot rolled and additively manufactured 316L steel specimens with a spatial resolution of 1 mm using an embedded optical fibre, and we evaluated fatigue induced damage under four-point bending load cycles. Our findings are threefold. First, we show that the onset of fatigue damage can be detected using our methodology based on a damage index adapted to optical frequency domain reflectometry measurements, which allows alerting for potential failure. We also show that our optical fibre mounting and embedding technique enables the fibre to survive critical failure of the steel specimen. In addition, we obtain strain profile measurements with a spatial resolution that allows linking the strain distribution with imperfections in the four-point bending set-up.

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Early fatigue damage detecting sensors—A review and prospects

Cited by 32 publications

References 80 publications

Piezoresistive properties of diamond like carbon films containing copper

Piezoresistive properties of diamond like carbon films containing copper

Electro-tribological properties of diamond like carbon coatings

Fatigue failure monitoring of 316L stainless steel coupons using optical fibre based distributed strain sensing

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