On the heat of formation of solid alloys

Miedema, A.R.; Boom, R.; Boer, F.R. de

doi:10.1016/0022-5088(75)90034-x

Cited by 649 publications

(136 citation statements)

References 14 publications

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“…[51][52][53] Similarly, for Ni-P we approximate b Ϸ 0.1 eV by scaling the heat of mixing from Miedema's model by 2 / z. Employing these interaction energies and assuming ig Ϸ b , T = 100°C ͑close to the deposition temperature͒, and ␥ A = ␥ B = 0.5 J / m 2 , we computed d-X trends for Ni-W and Ni-P-like interactions, as illustrated in Fig.…”

Section: Implications For Experimental Nanocrystalline Alloysmentioning

confidence: 99%

Grain boundary segregation and thermodynamically stable binary nanocrystalline alloys

2009

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A free-energy function for binary polycrystalline solid solutions is developed based on pairwise nearestneighbor interactions. The model permits intergranular regions to exhibit unique energetics and compositions from grain interiors, under the assumption of random site occupation in each region. For a given composition, there is an equilibrium grain size, and the alloy configuration in equilibrium generally involves solute segregation. The present approach reduces to a standard model of grain boundary segregation in the limit of infinite grain size, but substantially generalizes prior thermodynamic models for nanoscale alloy systems. In particular, the present model allows consideration of weakly segregating systems, systems away from the dilute limit, and is derived for structures of arbitrary dimensionality. A series of solutions for the equilibrium alloy configuration and grain size are also presented as a function of simple input parameters, including temperature, alloy interaction energies, and component grain boundary energies.

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Section: Implications For Experimental Nanocrystalline Alloysmentioning

confidence: 99%

Grain boundary segregation and thermodynamically stable binary nanocrystalline alloys

2009

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“…Often the goal is maximum thermoelectric emf in which case a thermocouple pair should be selected, one with a large positive and one with a large negative emf. The thermocouple materials must however be chemically compatible and Miedema 33 and Pollock 34 have provided information on many suitable alloy combinations.…”

Section: B Thermoelectric Devicesmentioning

confidence: 99%

Review of temperature measurement

Childs

Greenwood

Long

2000

Review of Scientific Instruments

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442

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“…Tannenbaum Table II with the values calculated from the alloy model developed by Miedema and coworkers (11)(12)(13). In this model it is assumed that upon the formation of a ternary hydride ~rom a binary alloy BnA, bonds between B and A atoms are broken by hydrogen atoms.…”

Section: ~!~£~E~= §99e2£!e!gez!~9e~£i~ementioning

confidence: 99%