Pressure and temperature derivatives of the isotropic polycrystalline shear modulus for 65 elements

Guinan, M.W.; Steinberg, Daniel J.

doi:10.1016/s0022-3697(74)80278-7

Cited by 228 publications

(94 citation statements)

References 52 publications

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“…The MTS shear modulus model was developed by Varshni (1970) and has been used in conjunction with the Mechanical Threshold Stress (MTS) flow stress model (Chen and Gray (1996); Goto et al (2000a)). The Steinberg-Cochran-Guinan (SCG) shear modulus model was developed by Guinan and Steinberg (1974) and has been used in conjunction with the Steinberg-Cochran-Guinan-Lund (SCGL) flow stress model. The Nadal and LePoac (NP) shear modulus model (Nadal and Le Poac (2003)) is a recently developed model that uses Lindemann theory to determine the temperature dependence of shear modulus and the SCG model for pressure dependence.…”

Section: Shear Modulusmentioning

confidence: 99%

“…Table 2: Parameters used in melting temperature models for copper. The parameter T m0 used in the SCG model is from Guinan and Steinberg (1974). The value of Γ 0 is from MacDonald and MacDonald (1981).…”

Section: Mts Shear Modulus Modelmentioning

confidence: 99%

“…The value of a has been chosen to fit the experimental data. The values of the initial bulk and shear moduli and their derivatives in the BPS model are from Guinan and Steinberg (1974). The remaining parameters for the BPS model are from Burakovsky and Preston (2000) and Burakovsky et al (2000b).…”

Section: Mts Shear Modulus Modelmentioning

confidence: 99%

“…the Zerilli-Armstrong model. Guinan and Steinberg (1974). The NP model parameters are from Nadal and Le Poac (2003).…”

Section: Flow Stress Modelsmentioning

confidence: 99%

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Effect of strain rate on microstructure of polycrystalline oxygen-free high conductivity copper severely deformed at liquid nitrogen temperature

Zhang

Shim

2010

Acta Materialia

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Phenomenological plastic flow stress models are used extensively in the simulation of large deformations of metals at high strain-rates and high temperatures. Several such models exist and it is difficult to determine the applicability of any single model to the particular problem at hand. Ideally, the models are based on the underlying (subgrid) physics and therefore do not need to be recalibrated for every regime of application. In this work we compare the Johnson-Cook, Steinberg-Cochran-Guinan-Lund, Zerilli-Armstrong, Mechanical Threshold Stress, and Preston-Tonks-Wallace plasticity models. We use OFHC copper as the comparison material because it is well characterized. First, we determine parameters for the specific heat model, the equation of state, shear modulus models, and melt temperature models. These models are evaluated and their range of applicability is identified. We then compare the flow stresses predicted by the five flow stress models with experimental data for annealed OFHC copper and quantify modeling errors. Next, Taylor impact tests are simulated, comparison metrics are identified, and the flow stress models are evaluated on the basis of these metrics. The material point method is used for these computations. We observe that the all the models are quite accurate at low temperatures and any of these models could be used in simulations. However, at high temperatures and under high-strain-rate conditions, their accuracy can vary significantly.

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Section: Shear Modulusmentioning

confidence: 99%

Section: Mts Shear Modulus Modelmentioning

confidence: 99%

Section: Mts Shear Modulus Modelmentioning

confidence: 99%

“…the Zerilli-Armstrong model. Guinan and Steinberg (1974). The NP model parameters are from Nadal and Le Poac (2003).…”

Section: Flow Stress Modelsmentioning

confidence: 99%

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Effect of strain rate on microstructure of polycrystalline oxygen-free high conductivity copper severely deformed at liquid nitrogen temperature

Zhang

Shim

2010

Acta Materialia

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“…Wave profiles were processed taking into account temperature relationships of elastic moduli given in [20]. Particularly in this temperature range, shear modulus of zirconium decreases by 20% and the longitudinal sound velocity -by 3.2%.…”

Section: Temperature Effectsmentioning

confidence: 99%

Deformation of zirconium – niobium alloy E635 in sub-microsecond shock waves

Kazakov

Kozelkov

Mayorova

et al. 2015

EPJ Web of Conferences

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Abstract. Strength characteristics of zirconium -niobium alloy E635 were measured under shock -wave loading conditions at normal and elevated temperatures and results of these measurements are presented. Measurements were taken in conditions when samples were impacted by plane shock waves with the pressure up to 13 GPa and duration from ∼0.05 µs up to 1 µs. Free-surface velocity profiles were recorded with the help of VISAR and PDV laser Doppler velocimeters having nanosecond time resolution. Evolution of elastic precursors with samples thickness varying from 0.5 up to 8 mm is also considered. Measured attenuation of the elastic precursor was used to determine plastic strain rate behind the precursor front. Temperature effect on the value of dynamic elastic limit and spall strength at normal and elevated temperatures is studied.This work is implemented with the support of the State Atomic Energy Corporation "Rosatom" under State Contract H.4x.44.90.13.1111.

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Ein 3D‐Netzwerk des vierbindigen Germaniums als Bindeglied zwischen offenen und dichten Elementstrukturen

et al. 2008

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Pressure and temperature derivatives of the isotropic polycrystalline shear modulus for 65 elements

Cited by 228 publications

References 52 publications

Effect of strain rate on microstructure of polycrystalline oxygen-free high conductivity copper severely deformed at liquid nitrogen temperature

Effect of strain rate on microstructure of polycrystalline oxygen-free high conductivity copper severely deformed at liquid nitrogen temperature

Deformation of zirconium – niobium alloy E635 in sub-microsecond shock waves

Ein 3D‐Netzwerk des vierbindigen Germaniums als Bindeglied zwischen offenen und dichten Elementstrukturen

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