Determination of the equilibrium miscibility gap in the Pd-Rh alloy system using metal nanopowders obtained by decomposition of coordination compounds

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Determination of the equilibrium miscibility gap in the Pd-Rh alloy system using metal nanopowders obtained by decomposition of coordination compounds. / Shubin, Yu V.; Plyusnin, P. E.; Korenev, S. V.

In: Journal of Alloys and Compounds, Vol. 622, 15.02.2015, p. 1055-1060.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{c4edbcc622ea41e595f01139fba3bff2,

title = "Determination of the equilibrium miscibility gap in the Pd-Rh alloy system using metal nanopowders obtained by decomposition of coordination compounds",

abstract = "The Pd-Rh phase diagram has been reinvestigated in the subsolidus region using X-ray diffraction, scanning and transmission electron microscopy. The true equilibrium at the miscibility boundary was achieved with the two-way approach. Nanosized powders of metastable solid solutions and two-phase palladium-rhodium mixtures were used to shorten the time required to equilibrate the system. The initial samples were prepared by decomposition of coordination compounds [Pd(NH3)2Cl2], [Rh(NH3)5Cl]Cl2, [Pd(NH3)4]3[Rh(NO2)6]2and [Pd(NH3)4][Rh(NH3)(NO2)5]. The obtained phase diagram exhibits miscibility gap wider than generally accepted with the critical point of solubility at 58 at.% Rh and 820 °C.",

keywords = "Metals and alloys, Nanofabrication, Palladium, Phase diagrams, Rhodium, X-ray diffraction",

author = "Shubin, {Yu V.} and Plyusnin, {P. E.} and Korenev, {S. V.}",

year = "2015",

month = feb,

day = "15",

doi = "10.1016/j.jallcom.2014.10.187",

language = "English",

volume = "622",

pages = "1055--1060",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Determination of the equilibrium miscibility gap in the Pd-Rh alloy system using metal nanopowders obtained by decomposition of coordination compounds

AU - Shubin, Yu V.

AU - Plyusnin, P. E.

AU - Korenev, S. V.

PY - 2015/2/15

Y1 - 2015/2/15

N2 - The Pd-Rh phase diagram has been reinvestigated in the subsolidus region using X-ray diffraction, scanning and transmission electron microscopy. The true equilibrium at the miscibility boundary was achieved with the two-way approach. Nanosized powders of metastable solid solutions and two-phase palladium-rhodium mixtures were used to shorten the time required to equilibrate the system. The initial samples were prepared by decomposition of coordination compounds [Pd(NH3)2Cl2], [Rh(NH3)5Cl]Cl2, [Pd(NH3)4]3[Rh(NO2)6]2and [Pd(NH3)4][Rh(NH3)(NO2)5]. The obtained phase diagram exhibits miscibility gap wider than generally accepted with the critical point of solubility at 58 at.% Rh and 820 °C.

AB - The Pd-Rh phase diagram has been reinvestigated in the subsolidus region using X-ray diffraction, scanning and transmission electron microscopy. The true equilibrium at the miscibility boundary was achieved with the two-way approach. Nanosized powders of metastable solid solutions and two-phase palladium-rhodium mixtures were used to shorten the time required to equilibrate the system. The initial samples were prepared by decomposition of coordination compounds [Pd(NH3)2Cl2], [Rh(NH3)5Cl]Cl2, [Pd(NH3)4]3[Rh(NO2)6]2and [Pd(NH3)4][Rh(NH3)(NO2)5]. The obtained phase diagram exhibits miscibility gap wider than generally accepted with the critical point of solubility at 58 at.% Rh and 820 °C.

KW - Metals and alloys

KW - Nanofabrication

KW - Palladium

KW - Phase diagrams

KW - Rhodium

KW - X-ray diffraction

UR - http://www.scopus.com/inward/record.url?scp=84913534528&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2014.10.187

DO - 10.1016/j.jallcom.2014.10.187

M3 - Article

AN - SCOPUS:84913534528

VL - 622

SP - 1055

EP - 1060

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

ER -

ID: 25402233