Compression and shear wave measurements to characterize the shocked state in silicon carbide

Yuan, Gang; Feng, Renjie; Gupta, Y. M.

doi:10.1063/1.1365438

Cited by 32 publications

(21 citation statements)

References 17 publications

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“…The shock compression data reported by Sekine and Kobayashi [13,14] complements the results of low magnitude shock compression experiments designed to measure stress wave profiles and obtain the associated properties of SiC-B and other ct-SiC, such as the HEL, and the nature of inelastic deformation, shear strength retained under plane shock wave compression, and release behavior reported in references [16][17][18][19][20].…”

Section: Hydrodynamic Compressionmentioning

confidence: 51%

“…In addition, over the past four decades a large number of shock wave compression experiments have been conducted on polycrystalline SiCs to determine their compressibility and shear strength retained under plane shock wave compression [10][11][12][13][14][15][16][17][18][19][20]. This list excludes shock wave investigation studies dealing with spallation in SiC because Dandekar and Bartkowski [21] recently covered this subject.…”

Section: Introductionmentioning

confidence: 99%

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A Survey of Compression Studies on Silicon Carbide (SiC)

Dandekar¹

2002

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Compression of a solid material under plane shock wave propagation/ loading can provide information related to change in density and shear strength with pressure/stress of the material under inertial confinement. The present work surveys and analyzes the existing shock compression and high-pressure data on silicon carbide to provide pertinent information to material modelers and others for use in their work related to this material. It also points out a set of investigations that needs to be carried out to complement the existing data.u Acknowledgments

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Section: Hydrodynamic Compressionmentioning

confidence: 51%

Section: Introductionmentioning

confidence: 99%

A Survey of Compression Studies on Silicon Carbide (SiC)

Dandekar¹

2002

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“…Also shown for comparison are experimental plate impact data [26][27][28][29]. Linear elasticity gives smaller normal stress than corresponding nonlinear models.…”

Section: Numerical Simulationsmentioning

confidence: 99%

Dynamic compressibility, shear strength, and fracture behavior of ceramic microstructures predicted from mesoscale models

Clayton

Leavy

Kraft

2012

AIP Conference Proceedings

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Abstract. Fundamental understanding of dynamic behavior of polycrystalline ceramics is advanced through constitutive theory development and computational modeling. At the mesoscale, microstructures of silicon carbide grains (hexagonal crystal structure) or aluminum oxynitride grains (cubic crystal structure) are subjected to compression or shear at high rates with varying confining pressure. Each grain is resolved by numerous three-dimensional finite elements, and behavior of each grain is modeled using nonlinear anisotropic elasticity. Cohesive fracture models and post-fracture contact are included. Normal and Weibull failure statistics from many simulations are collected and analyzed. Results demonstrate effects of load directionality, confinement, dilatation, elastic anisotropy and elastic nonlinearity, and grain boundary fracture properties on macroscopic (average) failure stresses for loading conditions in the ballistic regime. Predictions demonstrate reasonable agreement with data from macroscopic plate impact, unconfined compression, and flexure experiments.

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“…The pressure-shear technique has been applied to a range of solid materials including aluminum [Yadav and Ramesh, 1998], hafnium [Yadav et al, 1995], tantalum [Duprey and Clifton, 2000], glass [Sundaram and Clifton, 1998], and SiC [Yuan et al, 2001]. In somewhat modified configurations, the technique has also been applied to measure the viscosity of fluids [Ramesh and Clifton, 1987] and friction at sliding interfaces [Yuan et al, 2009].…”

Section: Introductionmentioning

confidence: 99%

Pressure-shear experiments on granular materials.

Reinhart

Thornhill²,

Vogler³

et al. 2011

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Pressure-shear experiments were performed on granular tungsten carbide and sand using a newlyrefurbished slotted barrel gun. The sample is a thin layer of the granular material sandwiched between driver and anvil plates that remain elastic. Because of the obliquity, impact generates both a longitudinal wave, which compresses the sample, and a shear wave that probes the strength of the sample. Laser velocity interferometry is employed to measure the velocity history of the free surface of the anvil. Since the driver and anvil remain elastic, analysis of the results is, in principal, straightforward.Experiments were performed at pressures up to nearly 2 GPa using titanium plates and at higher pressure using zirconium plates. Those done with the titanium plates produced values of shear stress of 0.1-0.2 GPa, with the value increasing with pressure. On the other hand, those experiments conducted with zirconia anvils display results that may be related to slipping at an interface and shear stresses mostly at 0.1 GPa or less. Recovered samples display much greater particle fracture than is observed in planar loading, suggesting that shearing is a very effective mechanism for comminution of the grains.3

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Compression and shear wave measurements to characterize the shocked state in silicon carbide

Cited by 32 publications

References 17 publications

A Survey of Compression Studies on Silicon Carbide (SiC)

A Survey of Compression Studies on Silicon Carbide (SiC)

Dynamic compressibility, shear strength, and fracture behavior of ceramic microstructures predicted from mesoscale models

Pressure-shear experiments on granular materials.

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