A thermodynamic description of the Pd–Si–C system

Du, Zhenmin; Guo, Cuiping; Yang, Xiaojia; Liu, Ting

doi:10.1016/j.intermet.2005.09.008

Cited by 40 publications

(18 citation statements)

References 26 publications

(56 reference statements)

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“…The Pd-Si binary phase diagram indicates a eutectic reaction 21 shown in Table I (T rg, γ, δ, and β) are in good agreement with this finding. For Pd-Cu-Si the constant melting temperature T m (∼1014K) implies that all alloys share one eutectic point.…”

Section: A Effect Of Cu Addition On the Glass Forming Ability In Thesupporting

confidence: 86%

Effect of copper addition on the glass forming ability in Pd-Si binary amorphous alloying system

et al. 2017

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The effect of copper addition on the glass forming ability in Pd-Si amorphous alloys was systematically studied by X-ray diffraction and differential scanning calorimeter with a binary alloy series of Pd81+xSi19-x (x=0, 1, 1.5, 2, 2.5, 3, 4) and a ternary alloy series of Pd83.5-xCuxSi16.5 (x=0, 2, 4, 6, 8, 10, 12). It has been found that the critical size of the Pd-Si alloys could be improved significantly from 8mm to 15mm and ΔTx could be enhanced from 18.7 K to 54.7 K with the addition of copper. The determined activation energy demonstrates that Cu additions improve the thermal stability of the system significantly. The different results of the measured criteria to evaluate the GFA for the Pd-Si and the Pd-Cu-Si alloys may be linked to a different crystallization behavior. The enhanced GFA is linked to a more thermodynamically stable liquid and a reduction of atomic diffusion in the ternary alloy by Cu addition.

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Section: A Effect Of Cu Addition On the Glass Forming Ability In Thesupporting

confidence: 86%

Effect of copper addition on the glass forming ability in Pd-Si binary amorphous alloying system

et al. 2017

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“…Assuming that the carbon feedstock diffuses through or on the particle, we suggest a 2-directional growth mechanism and a simple explanation why the fibers curl. Even though it is irrelevant for the following model we want to mention that surface diffusion is the most probable pathway since at these low temperatures the solubility of carbon in Pd is almost negligible [34,35] phase which might be applicable at the conditions present in our study [36]. All following considerations additionally assume that diffusion rate and growth rate are within the same range.…”

Section: Methodsmentioning

confidence: 99%

Carbon nanotubes and helical carbon nanofibers grown by chemical vapour deposition on C60 fullerene supported Pd nanoparticles

Nitze

Abou-Hamad

Wågberg

2011

Carbon

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“…The thermodynamics of Si-Pd system has been studied recently by Okamoto [83] and Du et al [84] This system has a eutectic reaction on the silicon side at 1165 K (892°C) and X Si = 0.52 [85,86] or 1138 K (865°C) and X Si = 0.518. [83] The liquidus between this point and silicon has been measured experimentally.…”

Section: O Si-ga Systemmentioning

confidence: 99%

“…The former coordinate is the same as the reported eutectic coordinates, [85,86] whereas the latter coordinate is a little in lower silicon concentration than what suggested for the eutectic recently. [84] R. Si-Ni System…”

Section: O Si-ga Systemmentioning

confidence: 99%

Liquidus of Silicon Binary Systems

Safarian

Kolbeinsen

Tangstad

2011

Metall Mater Trans B

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Thermodynamic knowledge about liquid silicon is crucial for the production of solar-grade silicon feedstock from molten silicon. In the current study, liquidus for silicon binary alloys is formulated using a previously developed method in which the liquidus curve is calculated using two constants. The liquidus measurements for the silicon portion of the silicon alloys with Al, Ca, Mg, Fe, Ti, Zn, Cu, Ag, Au, Pt, Sn, Pb, Bi, Sb, Ga, In, Ni, Pd, Mn, and Rh are reviewed, and the consistent data were used to determine the liquidus constants. The liquidus curves for silicon binary systems are calculated and plotted. It is indicated that the calculated liquidus curves fit well with the experimental data. A correlation between the determined liquidus constants is also observed, which can be used to gain a better understanding of the thermodynamics of the silicon binary melts.

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A thermodynamic description of the Pd–Si–C system

Cited by 40 publications

References 26 publications

Effect of copper addition on the glass forming ability in Pd-Si binary amorphous alloying system

Effect of copper addition on the glass forming ability in Pd-Si binary amorphous alloying system

Carbon nanotubes and helical carbon nanofibers grown by chemical vapour deposition on C60 fullerene supported Pd nanoparticles

Liquidus of Silicon Binary Systems

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