Elastic properties of Al2O3–NiAl: a modified version of Hashin–Shtrikman bounds

Upadhyay, Anupama; Beniwal, R.S.; Singh, Ramvir

doi:10.1007/s00161-012-0237-x

Cited by 9 publications

(6 citation statements)

References 26 publications

(49 reference statements)

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“…On the other hand, a close examination indicates that except for S wave at pressure above 6 GPa, the velocities of KLB‐1 can be found in good agreement with the lower limit of the VRH within experimental uncertainties. Similar observations were obtained in previous studies on two‐phase composites, such as KCl + NaCl [ Watt and O'Connell , ], Al 2 O 3 + NiAl [ Upadhyay et al ., ], and forsterite + enstatite mixtures [ Ji and Wang , ], i.e., that the direct experimental data often fall in the vicinity of the lower limit of VRH [ Ji and Wang , ] or HS [ Watt and O'Connell , ]. In particular, the ultrasonic measurements to 3 GPa on hot‐pressed forsterite‐enstatite mixtures with 60% forsterite [ Ji and Wang , ] bear a strong resemblance to the current study on KLB‐1 (~62% olivine).…”

Section: Implications For Mantle Velocity Modelingmentioning

confidence: 99%

Elastic wave velocities of peridotite KLB‐1 at mantle pressures and implications for mantle velocity modeling

Wang

Chen

Zou

et al. 2015

Geophysical Research Letters

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Compressional (VP) and shear (VS) wave velocities of a synthetic KLB‐1 peridotite were measured for the first time up to 10 GPa using ultrasonic interferometry. Analysis of the P and S wave velocities yielded K0 = 123(1) GPa, K0′ = 5.1(2), G0 = 75(1) GPa, and G0′= 1.3(1) for the bulk and shear moduli and their pressure derivatives. Comparison with Voigt‐Reuss‐Hill (VRH) calculations based on literature elasticity data for its constituent minerals indicates that the experimentally measured P and S wave velocities, densities, bulk sound velocities, and VP/VS ratios fall close to the lower limit of VRH averages associated with the uncertainties of the mineral elasticity data. A comparison with previous modeling of mantle compositions implies that the velocities for an aggregate with the pyrolitic composition of KLB‐1 are in close agreement with seismic data at the depths of the Earth's upper mantle.

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Section: Implications For Mantle Velocity Modelingmentioning

confidence: 99%

Elastic wave velocities of peridotite KLB‐1 at mantle pressures and implications for mantle velocity modeling

Wang

Chen

Zou

et al. 2015

Geophysical Research Letters

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“…In Ref. [13], the authors present theoretical nonlinear relations for the estimation of elastic constants of NiAl/Al 2 O 3 composite material.…”

Section: Introductionmentioning

confidence: 99%

The influence of hot pressing conditions on mechanical properties of nickel aluminide/alumina composite

Nosewicz

Rojek

Mackiewicz

et al. 2013

Journal of Composite Materials

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The influence of hot pressing conditions on mechanical properties of nickel aluminide/alumina composite has been investigated in the present paper. In particular, effect of the process parameters, viz. compacting pressure, sintering temperature and sintering time on the evolution of density, elastic constants and tensile strength properties of the intermetallic-ceramic composite has been studied. Elastic constants, the Young's modulus and Poisson's ratio, have been evaluated using an ultrasonic testing method, and the tensile strength has been determined by a Brazilian-type splitting test. Microscopic observations of microstructure evolution complemented the experimental procedure. Experimental results have been confronted with theoretical models showing a good agreement between the data compared.

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“…К определению упругих свойств композита, используются различные подходы: статистические методы, вариационные принципы или модели, в которых предполагается конкретная геометрия рассматриваемого композита. [1][2][3] Во многих случаях предположение однородности и изотропности композита является вполне разумным.…”

Section: институт физики прочности и материаловедения со ран томскunclassified

Эффективные Упругие Свойства Двухфазных Твердотельных Композиционных Материалов

2021

Международная Конференция "Физическая Мезомеханика. Материалы С Многоуровневой Иерархически Организованной Структурой И Интелле

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Elastic properties of Al2O3–NiAl: a modified version of Hashin–Shtrikman bounds

Cited by 9 publications

References 26 publications

Elastic wave velocities of peridotite KLB‐1 at mantle pressures and implications for mantle velocity modeling

Elastic wave velocities of peridotite KLB‐1 at mantle pressures and implications for mantle velocity modeling

The influence of hot pressing conditions on mechanical properties of nickel aluminide/alumina composite

Эффективные Упругие Свойства Двухфазных Твердотельных Композиционных Материалов

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