Shock loading and unloading behavior of carbon piezoresistive gauges up to 5 GPa

Perez, M.; Chartagnac, P.

doi:10.1063/1.1136339

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…Des jauges en manganin et en carbone ont été étalonnées au moyen du canon DEMETER entre 0 et 40 GPa [23][24][25], puis utilisées dans diverses études du comportement élastoplastique des solides sous choc. Les techniques d'étalonnage utilisées sont identiques à celles mises au point par les précurseurs des mesures piézorésistives aux U.S.A. [26] et en Grande Bretagne [27].…”

Section: Performancesunclassified

Description du canon à gaz DEMETER et des chaînes de mesures associées

Chartagnac

Jiménez

1984

Rev. Phys. Appl. (Paris)

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2014 L'ensemble expérimental qui est décrit dans cet article est destiné à l'étude du comportement des solides en régime de choc plan. Il est constitué du canon à gaz comprimé DEMETER et de plusieurs chaînes de mesures. Le canon utilisant de l'air ou de l'hélium comme gaz moteur, peut propulser des « projectiles » de 110 mm de diamètre avec une vitesse continûment programmable de 100 m/s à 1 150 m/s et une reproductibilité de 1 %. Les chaînes de mesures implantées sur le canon et reliées à un calculateur permettent d'obtenir des signaux de contrainte in situ ou de vitesse matérielle avec une résolution temporelle de quelques dizaines de nanosecondes lorsque l'on utilise des jauges et de quelques nanosecondes dans le cas des mesures interférométriques.Abstract 2014 The experimental set-up described in this paper is devoted to solid state shock wave physics. It includes a gas gun (DEMETER) and several data acquisition channels. The gun is driven by compressed air or helium and launches 110 mm-diameter projectiles with continuously programmable velocities ranging from 100 m/s to 1 150 m/s and a reproducibility of 1 %. The associated data acquisition channels are connected with a computer and deliver in situ stress or particle velocity profiles with an accuracy of a few tens of nanoseconds when using gauges and a few nanoseconds when using an interferometric technique.

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Section: Performancesunclassified

Description du canon à gaz DEMETER et des chaînes de mesures associées

Chartagnac

Jiménez

1984

Rev. Phys. Appl. (Paris)

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“…The main research has been focused on the piezoresistive gauge calibration for low-impedance gauges [ 13 , 14 , 15 , 16 , 17 ] and high-impedance gauges [ 14 , 15 , 18 , 19 ], on the conditioning device development [ 6 , 12 , 13 ] and on gauge issues, such as hysteresis [ 14 , 20 ], piezoresistive behavior during the release [ 21 ], piezoresistive behavior in the elastic domain and in the plastic domain of the gauge [ 22 , 23 ]. The signal rise time of the gauge, limited to its thickness, has been demonstrated [ 24 ]. Noise disturbances have been observed and mitigated previously in shock wave experiments [ 14 , 25 , 26 ] that could limit the signal rise time.…”

Section: Introductionmentioning

confidence: 99%

Capacitive Effect and Electromagnetic Coupling on Manganin Gauge Limiting the Bandwidth for Pressure Measurements under Shock Conditions

Coustou¹,

Lefrançois

Pons³

et al. 2023

Sensors

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In this study, we investigated the capacitive effect and the electromagnetic coupling on the measurement chain induced by impact experiments with a gas gun or powder gun. Reduced bandwidth and noise were noticed on experimental signals. Rogowski coil measurements were added on the cables to characterize the electromagnetic coupling. The perturbation currents on the cables were quantified depending on the configuration. The gauge, the transmission line and the conditioning system were modeled. The calculations reproduced the electrical wave arrival time, the transmission line transfer impedance and the conditioning system transfer impedance; and the bandwidth limitation has been displayed. A capacitive effect with the piezoresistive manganin gauge embedded into the sample was identified, depending on the experimental setup.

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“…The main research has been focused on the piezoresistive gauge calibration for lowimpedance gauges [13][14][15][16][17] and high-impedance gauges [14,15,18,19], on the conditioning device development [6,12,13] and on gauge issues, such as hysteresis [14,20], piezoresistive behavior during the release [21], piezoresistive behavior in the elastic domain and in the plastic domain of the gauge [22,23]. The signal rise time of the gauge, limited to its thickness, has been demonstrated [24]. Noise disturbances have been observed and mitigated previously in shock wave experiments [14,25,26] that could limit the signal rise time.…”

Section: Introductionmentioning

confidence: 99%

Capacitive Effect and Electromagnetic Coupling on Manganin Gauge Limiting the Bandwidth for Pressure Measurements under Shock Conditions

Coustou¹,

Lefrançois²,

Pons³

et al. 2023

Preprint

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In this paper, we investigated the capacitive effect and the electromagnetic coupling on the measurement chain induced by the gas gun or the powder gun during impact experiments. Reduced bandwidth and noise have been noticed on experimental signals. Rogowski coil measurements have been added on the cables to characterize the electromagnetic coupling. The perturbation currents on the cables have been quantified depending on the configuration. The gauge, the transmission line and the conditioning system have been modeled. The calculations have reproduced the electrical wave arrival time, the transmission line transfer impedance, the conditioning system transfer impedance and it shows the bandwidth limitation. A capacitive effect with the piezoresistive manganin gauge embedded into the sample has been identified depending on the experimental setup.

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Shock loading and unloading behavior of carbon piezoresistive gauges up to 5 GPa

Cited by 5 publications

References 2 publications

Description du canon à gaz DEMETER et des chaînes de mesures associées

Description du canon à gaz DEMETER et des chaînes de mesures associées

Capacitive Effect and Electromagnetic Coupling on Manganin Gauge Limiting the Bandwidth for Pressure Measurements under Shock Conditions

Capacitive Effect and Electromagnetic Coupling on Manganin Gauge Limiting the Bandwidth for Pressure Measurements under Shock Conditions

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