Untitled

Kanibolotsky, Dmitry S.; Bieloborodova, Olena A.; Kotova, N. V.; Lisnyak, Vladyslav V.

doi:10.1023/a:1022816229045

Cited by 33 publications

(36 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The value of H FeSi is presented in Table II together with corresponding values derived from calorimetric experiments [14] as well as calculated using the cellular atomic model of alloys developed by Miedema [9]. Miedema's model [9] This work α−Fe (700 K) -1.58 0.63 -0.38(13)…”

Section: An Enthalpy Of Solution Of Silicon In Ironmentioning

confidence: 99%

See 1 more Smart Citation

An Enthalpy of Solution of Silicon in Iron Studied by ^{57}Fe Mössbauer Spectroscopy

2016

View full text Add to dashboard Cite

The room temperature Mössbauer spectra of 57 Fe were measured for Fe1−xSix solid solutions with x in the range 0.01 ≤ x ≤ 0.05. The obtained data were analysed in terms of the binding energy E b between two silicon atoms in the studied materials using the extended Hrynkiewicz-Królas idea. The extrapolated value of E b for x = 0 was used to computation of an enthalpy of solution HFeSi of Si in α-Fe matrix. It was found that the HFeSi value is negative or Si atoms interact repulsively. The result was compared with corresponding values given in the literature which were derived from experimental calorimetric data as well as with the value resulting from the cellular atomic model of alloys by Miedema.

show abstract

Section: An Enthalpy Of Solution Of Silicon In Ironmentioning

confidence: 99%

“…According to our knowledge in the available literature the values of enthalpy of solution of Si in Fe were estimated experimentally only for liquid phase at temperatures above 1700 K [14].…”

Section: Introductionmentioning

confidence: 99%

An Enthalpy of Solution of Silicon in Iron Studied by ^{57}Fe Mössbauer Spectroscopy

2016

View full text Add to dashboard Cite

show abstract

“…The dependence of the partition coefficient on temperature, velocity, and concentration given by Aziz and Kaplan [20] was not used because the thermodynamic data of all relevant solid phases of the Fe-Ge system are not available in the literature. [21] The application of the expression given by Aziz and Kaplan [20] requires the calculation of driving free energy for liquid-solid transformations, which requires heat capacity data of all relevant phases. To the best of our knowledge, such a data are only available for the a 2 phase at different Ge concentrations.…”

Section: Discussionmentioning

confidence: 99%

Microstructural Evolution During Laser Resolidification of Fe-25 Atom Percent Ge Alloy

Biswas

Chattopadhyay

2007

Metall Mater Trans A

View full text Add to dashboard Cite

The microstructural evolution of concentrated alloys is relatively less understood both in terms of experiments as well as theory. Laser resolidification represents a powerful technique to study the solidification behavior under controlled growth conditions. This technique has been utilized in the current study to probe experimentally microstructural selection during rapid solidification of concentrated Fe-25 atom pct Ge alloy. Under the equilibrium solidification condition, the alloy undergoes a peritectic reaction between ordered a 2 (B2) and its liquid, leading to the formation of ordered hexagonal intermetallic phase e (DO 19 ). In general, the as-cast microstructure consists of e phase and e-b eutectic and a 2 that forms as a result of an incomplete peritectic reaction. With increasing laser scanning velocity, the solidification front undergoes a number of morphological transitions leading to the selection of the microstructure corresponding to metastable a 2 /b eutectic to a 2 dendrite 1 a 2 /b eutectic to a 2 dendrite. The transition velocities as obtained from the experiments are well characterized. The microstructural selection is discussed using competitive growth kinetics.

show abstract

“…In the present investigation, the determination of T 0 requires free energy expressions of the solid and liquid phases of the alloys. The free energy expression for the liquid phase of Fe 100-x Ge x (0 £ x £ 24) has been estimated by Kanibolorsky et al [20] For the solid, we have used the free energy expressions obtained by Inden et al [21] Figure 7 shows the Fe-rich portion of the Fe-Ge phase diagram with the calculated T 0 curve. The solidus and liquidus of a-FeGe are drawn as solid curves and the calculated T 0 curve is indicated on the phase diagram as the dashed curve.…”

Section: A Microstructural Evolution Of the Remelted Layermentioning

confidence: 99%

Microstructural Evolution during Laser Resolidification of Fe-18 At. Pct Ge Alloy

Biswas

Chattopadhyay

2009

Metall Mater Trans A

View full text Add to dashboard Cite

Untitled

Cited by 33 publications

References 4 publications

An Enthalpy of Solution of Silicon in Iron Studied by ^{57}Fe Mössbauer Spectroscopy

An Enthalpy of Solution of Silicon in Iron Studied by ^{57}Fe Mössbauer Spectroscopy

Microstructural Evolution During Laser Resolidification of Fe-25 Atom Percent Ge Alloy

Microstructural Evolution during Laser Resolidification of Fe-18 At. Pct Ge Alloy

Contact Info

Product

Resources

About