Metallurgical processing, structure and superconducting transition temperature of V3Ga

Das, B. N.; Cox, John; Huber, R. W.; Meussner, R.A.

doi:10.1007/bf02676975

Cited by 39 publications

(3 citation statements)

References 7 publications

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“…When a variation of the lattice parameter data with composition in an intermetallic compound is not available, it is a common practice to consider a constant molar volume based on the lattice parameter data available at the stoichiometric composition. [20] This is shown as dashed-dotted line in the Figure 8(c). Note that the difference is actually very small.…”

Section: Estimation Of the Interdiffusion And The Ratio Of The Intmentioning

confidence: 88%

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Role of the Molar Volume on Estimated Diffusion Coefficients

Santra

Paul

2015

Metall Mater Trans A

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The role of the molar volume on the estimated diffusion parameters has been speculated for decades. The Matano-Boltzmann method was the first to be developed for the estimation of the variation of the interdiffusion coefficients with composition. However, this could be used only when the molar volume varies ideally or remains constant. Although there are no such systems, this method is still being used to consider the ideal variation. More efficient methods were developed by Sauer-Freise, Den Broeder, and Wagner to tackle this problem. However, there is a lack of research indicating the most efficient method. We have shown that Wagner's method is the most suitable one when the molar volume deviates from the ideal value. Similarly, there are two methods for the estimation of the ratio of intrinsic diffusion coefficients at the Kirkendall marker plane proposed by Heumann and van Loo. The Heumann method, like the MatanoBoltzmann method, is suitable to use only when the molar volume varies more or less ideally or remains constant. In most of the real systems, where molar volume deviates from the ideality, it is safe to use the van Loo method. We have shown that the Heumann method introduces large errors even for a very small deviation of the molar volume from the ideal value. On the other hand, the van Loo method is relatively less sensitive to it. Overall, the estimation of the intrinsic diffusion coefficient is more sensitive than the interdiffusion coefficient.

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Section: Estimation Of the Interdiffusion And The Ratio Of The Intmentioning

confidence: 88%

“…[19] Fortunately, the variation of the lattice parameter is available in this phase, [20] which otherwise is not available in most of the intermetallic compounds. The estimated variation of the molar volume is shown in Figure 8(c).…”

Section: Estimation Of the Interdiffusion And The Ratio Of The Intmentioning

confidence: 99%

Role of the Molar Volume on Estimated Diffusion Coefficients

Santra

Paul

2015

Metall Mater Trans A

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“…Consequently, efforts at producing the compound in fine-grained fibrous structures have involved unique processing techniques (29). One method consists of forming a billet consisting of vanadium rods surrounded by a Cu-Ga bronze alloy.…”

Section: Superconductivitymentioning

confidence: 99%

Vanadium and Vanadium Alloys

2000

Kirk-Othmer Encyclopedia of Chemical Technology

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Vanadium is widely distributed throughout the earth but in low abundance. Trace amounts of vanadium have been found in meteorites and seawater, and it has been identified in the spectrum of many stars, including the earth's sun. The occurrence of vanadium in oak and beech trees and some forms of aquatic sea life indicates its biological importance. Physical properties, chemical properties, manufacture, fabrication, economic aspects, health and safety factors, and uses are thoroughly discussed.

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Vanadium and Vanadium Alloys

Baroch¹,

Staff²

2006

Kirk-Othmer Encyclopedia of Chemical Technology

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Vanadium is widely distributed throughout the earth but in low abundance. Trace amounts of vanadium have been found in meteorites and seawater, and it has been identified in the spectrum of many stars, including the earth’s sun. The occurrence of vanadium in oak and beech trees and some forms of aquatic sea life indicates its biological importance. Physical properties, chemical properties, manufacture, fabrication, economic aspects, health and safety factors, and uses are thoroughly discussed.

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Metallurgical processing, structure and superconducting transition temperature of V3Ga

Cited by 39 publications

References 7 publications

Role of the Molar Volume on Estimated Diffusion Coefficients

Role of the Molar Volume on Estimated Diffusion Coefficients

Vanadium and Vanadium Alloys

Vanadium and Vanadium Alloys

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