On the use of a split Hopkinson pressure bar in structural geology: High strain rate deformation of Seeberger sandstone and Carrara marble under uniaxial compression

Zwiessler, R.; Kenkmann, T.; Poelchau, M. H.; Nau, Siegfried; Hess, S.

doi:10.1016/j.jsg.2017.03.007

Cited by 43 publications

(24 citation statements)

References 36 publications

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“…As far as the modulus of elasticity (E t ) is concerned, the descending order of materials with respect to the mean E t value is quartz, marble, quartzite and metasandstone (Table 4); this indicates, as expected, that quartz is the stiffest material and thus more resistant to deformation. Similar UCS values have been reported in other studies for quartz [57], quartzite [58], marble and sandstone [59]. The results indicate that breakage follows a first order law i.e., the breakage rate S i is independent of time and the S i values can be determined from the slope of the straight lines.…”

Section: Uniaxial Compressive Strength and Modulus Of Elasticitysupporting

confidence: 89%

Correlation between Material Properties and Breakage Rate Parameters Determined from Grinding Tests

Petrakis

Komnitsas

2018

Applied Sciences

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Abstract:The present study investigates four materials, namely quartz, marble, quartzite and metasandstone and aims to establish correlations, with the use of simple and multiple regression analysis, between their properties and breakage rate parameters. The material properties considered in this study derived from the application of destructive and non-destructive tests and include P-wave velocity (V p ), Schmidt rebound value (R L ), uniaxial compressive strength (UCS) and tangent modulus of elasticity (E t ), while the breakage rate parameters determined from batch grinding tests, include breakage rate S i , maximum breakage rate S m , α T and α, and optimum particle size x m . The results indicate that the properties of all materials examined show very good correlation and can be used to predict S i or α T . Furthermore, parameter α is well correlated with V p , R L and E t using inverse exponential functions, while S m is strongly correlated with R L and UCS. Overall, it is deduced that multiple regression analysis involving two independent variables is a reliable approach and can be used to identify correlations between properties and breakage rate parameters for quartz, quartzite and metasandstone, which are silica rich materials. The only exception shown is the determination of x m for marble.

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Section: Uniaxial Compressive Strength and Modulus Of Elasticitysupporting

confidence: 89%

Correlation between Material Properties and Breakage Rate Parameters Determined from Grinding Tests

Petrakis

Komnitsas

2018

Applied Sciences

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“…, ; Zwiessler et al. ). Dynamic hardening increases the resistance against crater formation and finally leads to the formation of smaller craters.…”

Section: Discussionmentioning

confidence: 98%

“…A possible dynamic increase in strength at high strain rates that occur experimentally may explain some variation; perhaps Carrara marble has a much stronger strain rate‐related strength increase than the Taunus quartzite (see e.g., Zwiessler et al. for more details).…”

Section: Discussionmentioning

confidence: 99%

Subsurface deformation of experimental hypervelocity impacts in quartzite and marble targets

Winkler

Luther

Poelchau

et al. 2018

Meteorit & Planetary Scien

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Two impact cratering experiments on nonporous rock targets were carried out to determine the influence of target composition on the structural mechanisms of subsurface deformation. Projectiles of 2.5 mm diameter were accelerated to ~5 km s−1 and impacted onto blocks of marble or quartzite. Subsurface deformation was mapped and analyzed on the microscale using thin sections of the bisected craters. Additionally, both experiments were modeled and the calculated strain zones underneath the craters were compared to experimental deformation features. Microanalysis shows that the formation of radial, tensile, and intragranular cracks is a common response of both nonporous materials to impact cratering. In the quartzite target, the subsurface damage is additionally characterized by highly localized deformation along shear bands with intense grain comminution, surrounded by damage zones. In contrast, the marble target shows closely spaced calcite twinning and cleavage activation. Crater diameter and depth as well as the damage lens underneath the crater are unexpectedly smaller in the marble target compared to the quartzite target, which is in contradiction to the marble's much weaker compressive and tensile strengths. However, numerical models result in craters that are similar in size as well as in strain accumulation at the end of transient crater formation, indicating that current models should still be viewed cautiously when compared to experimental details.

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“…Seeberger sandstone did not show changes in the elastic properties at high strain rates, but the uniaxial compressive strength was found to be 1.6–1.7 times higher at a strain rate of 100 s −1 than under quasi‐static conditions (Zwiessler et al. ). The onset of dynamic behavior is accompanied by changes in the fracture pattern, changing from single to multiple fracturing up to pervasive pulverization for increasing rates of deformation.…”

Section: Damage Gradientsmentioning

confidence: 99%

“…The split Hopkinson bar experiments are detailed in Zwiessler et al. (). The setup of the conducted laser melting experiments (Table ) and membrane‐driven diamond anvil cells are described in Ebert et al.…”

Section: The Acceleration Facilities Used For Memin Experimentsmentioning

confidence: 99%

Experimental impact cratering: A summary of the major results of the MEMIN research unit

Kenkmann

Deutsch

Thoma

et al. 2018

Meteorit & Planetary Scien

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This paper reviews major findings of the Multidisciplinary Experimental and Modeling Impact Crater Research Network (MEMIN). MEMIN is a consortium, funded from 2009 till 2017 by the German Research Foundation, and is aimed at investigating impact cratering processes by experimental and modeling approaches. The vision of this network has been to comprehensively quantify impact processes by conducting a strictly controlled experimental campaign at the laboratory scale, together with a multidisciplinary analytical approach. Central to MEMIN has been the use of powerful two‐stage light‐gas accelerators capable of producing impact craters in the decimeter size range in solid rocks that allowed detailed spatial analyses of petrophysical, structural, and geochemical changes in target rocks and ejecta. In addition, explosive setups, membrane‐driven diamond anvil cells, as well as laser irradiation and split Hopkinson pressure bar technologies have been used to study the response of minerals and rocks to shock and dynamic loading as well as high‐temperature conditions. We used Seeberger sandstone, Taunus quartzite, Carrara marble, and Weibern tuff as major target rock types. In concert with the experiments we conducted mesoscale numerical simulations of shock wave propagation in heterogeneous rocks resolving the complex response of grains and pores to compressive, shear, and tensile loading and macroscale modeling of crater formation and fracturing. Major results comprise (1) projectile–target interaction, (2) various aspects of shock metamorphism with special focus on low shock pressures and effects of target porosity and water saturation, (3) crater morphologies and cratering efficiencies in various nonporous and porous lithologies, (4) in situ target damage, (5) ejecta dynamics, and (6) geophysical survey of experimental craters.

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On the use of a split Hopkinson pressure bar in structural geology: High strain rate deformation of Seeberger sandstone and Carrara marble under uniaxial compression

Cited by 43 publications

References 36 publications

Correlation between Material Properties and Breakage Rate Parameters Determined from Grinding Tests

Correlation between Material Properties and Breakage Rate Parameters Determined from Grinding Tests

Subsurface deformation of experimental hypervelocity impacts in quartzite and marble targets

Experimental impact cratering: A summary of the major results of the MEMIN research unit

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