Elastic Constants of Single-Crystal Mo and W between 77° and 500°K

Bolef, D. I.; Klerk, J. de

doi:10.1063/1.1728952

Cited by 168 publications

(54 citation statements)

References 11 publications

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“…For the bulk modulus of bcc Mo, the value obtained by Featherson [22] is lower than other data [21] and was not used in the present assessment. As for the temperature dependence of young's modulus of bcc Mo, we used 99.9% Mo to perform the experiments.…”

Section: Temperature Dependence Of Elastic Properties Of Bcc Fe and Fcontrasting

confidence: 49%

Establishment of the Elastic Property Database of Fe-base Alloys

Su¹,

He²,

Liu³

et al. 2015

Proceedings of the First International Conference on Information Sciences, Machinery, Materials and Energy

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Abstract. The elastic properties, including bulk modulus and Young's modulus, for the bcc and fcc phases of Fe-base alloys have been studied at room temperature and atmospheric pressure. The temperature dependence of the elastic properties of the elemental metals, i.e. Fe, Al… and .., has been modeled by using the CALPHAD approach and the first-principles calculations. Reasonable model parameters have been obtained giving a best description of most experimental data.

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Section: Temperature Dependence Of Elastic Properties Of Bcc Fe and Fcontrasting

confidence: 49%

Establishment of the Elastic Property Database of Fe-base Alloys

Su¹,

He²,

Liu³

et al. 2015

Proceedings of the First International Conference on Information Sciences, Machinery, Materials and Energy

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show abstract

“…E0 and εw were obtained from a careful review and analysis of the available literature data on the elastic constants of tungsten. [46][47][48][49][50][51][52] 49 Bernstein, 46 Armstrong and Brown, 50 and Harrigill and Krsek. 51 Figure 3 shows values of E/E0 for both mono-and poly-crystalline tungsten as a function of temperature.…”

Section: Vibrating-wire and Sinker Propertiesmentioning

confidence: 99%

Viscosities and Densities of Binary Mixtures of Hexadecane with Dissolved Methane or Carbon Dioxide at Temperatures from (298 to 473) K and at Pressures up to 120 MPa

2016

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We report measurements of the viscosity and density of two binary mixtures comprising hexadecane with dissolved carbon dioxide or methane over the temperature range from (298.15 to 473.15) K and at pressures up to 120 MPa. The measurements were conducted at various mole fractions x of the light component as follows: x = (0, 0.0690, 0.5877 and 0.7270) for xCO2 + (1 -x)C16H34 and x = (0, 0.1013, 0.2021, 0.2976 and 0.3979) for xCH4 + (1 -x)C16H34. The viscosity and density measurements were carried out simultaneously using a bespoke vibrating-wire apparatus with a suspended sinker. With respect to the first mixture, the apparatus was operated in a relative mode and was calibrated in octane whereas, for the second mixture, the apparatus was operated in an absolute mode. To facilitate this mode of operation, the diameter of the centreless-ground tungsten wire was measured with a laser micrometer, and the mass and volume of the sinker were measured independently by hydrostatic weighing. In either mode of operation, the expanded relative uncertainties at 95 % confidence were 2 % for viscosity and 0.3 % for density. The results were correlated using simple relations that express both density and viscosity as functions of temperature and pressure. For both pure hexadecane and each individual mixture, the results have been correlated using the modified Tait equation for density, and the Tait-Andrade equation for viscosity; both correlations described our data almost to within their estimated uncertainties.In an attempt to model the viscosity of the binary mixtures as a function of temperature, density and composition, we have applied the extended-hard-sphere model using several mixing rules for the characteristic molar core volume. The most favourable mixing rule was found to be one based on a mole-fraction-weighted sum of the pure component molar core volumes raised to a power γ which was treated as an adjustable parameter. In this case, deviations of the experimental viscosities from the model were within ±25 %.

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“…The solid parameters, given in Table 1, were fit to the following experimental data: density [14][20], enthalpy and entropy [15], ultrasonic [54][55], static compression [56][57], and Hugoniot [31] [58]. For the liquid, the tension region of the cold curve was chosen to match the experimental binding energy, and the parameter EFAC was chosen to match the enthalpy at the melting point.…”

Section: Tungstenmentioning

confidence: 99%

Equations of state for Be, Ni, W, and Au.

Kerley¹

2003

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The PANDA code is used to construct tabular equations of state (EOS) for four metals-beryllium, nickel, tungsten and gold. Each EOS includes melting, vaporization, and thermal electronic excitation. Separate EOS tables are constructed for the solid and fluid phases, and the PANDA phase transition model is used to construct a multiphase EOS table for each metal. These new EOS tables are available for use with the CTH code and other hydrocodes that access the CTH database.

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Elastic Constants of Single-Crystal Mo and W between 77° and 500°K

Abstract: Using a high frequency cw mechanical resonance technique, the adiabatic elastic constants of single crystals of molybdenum and tungsten were measured between 77° and 500°K.

Cited by 168 publications

References 11 publications

Establishment of the Elastic Property Database of Fe-base Alloys

Establishment of the Elastic Property Database of Fe-base Alloys

Viscosities and Densities of Binary Mixtures of Hexadecane with Dissolved Methane or Carbon Dioxide at Temperatures from (298 to 473) K and at Pressures up to 120 MPa

Equations of state for Be, Ni, W, and Au.

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