CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000205

Phase equilibria at 1150°C in the Co-rich alloys SmCoZr and structure of the 1:7 phase

Identifieur interne : 000205 ( Maroc/Analysis ); précédent : 000204; suivant : 000206

Phase equilibria at 1150°C in the Co-rich alloys SmCoZr and structure of the 1:7 phase

Auteurs : S. Derkaoui [Maroc] ; N. Valignat [France] ; C. H. Allibert [France]

Source :

Journal of Alloys and Compounds [ 0925-8388 ] ; 1996.

RBID : ISTEX:9A0CEE272A3FCD527AEE28AF8EDA55AC2B484B93

Descripteurs français

Pascal (Inist)
- 6166D, Alliage base cobalt, Alliage ternaire, Diagramme phase, Equilibre phase, Etude expérimentale, Paramètre cristallin, SEM, Samarium alliage, Section isotherme, Structure cristalline, Zirconium alliage.

English descriptors

KwdEn :
- Cobalt base alloys, Crystal structure, Experimental study, Isothermal section, Lattice parameters, Phase diagrams, Phase equilibria, SEM, Samarium alloys, Ternary alloys, Zirconium alloys.

Abstract

In the concentration range 75–100 at.% Co, the isothermal section at 1150°C of the system SmCoZr is determined experimentally. The following features are evidenced: a very small Sm solubility in Co, Zr2Co11, and Zr6Co23, an extended Zr for Sm substitution rate in SmCo3, Sm2Co7 and Sm5Co19, and a significant Zr solubility in SmCo5 and Sm2Co17 that induces the existence of a continuous ternary single phase 1:7. On the basis of the lattice parameter data, the formation of this phase by the substitution of Co dumbbells and/or Sm atoms for Zr atoms is proposed.

Url:

https://api.istex.fr/document/9A0CEE272A3FCD527AEE28AF8EDA55AC2B484B93/fulltext/pdf

DOI: 10.1016/0925-8388(95)02003-9

Affiliations:

Links to Exploration step

ISTEX:9A0CEE272A3FCD527AEE28AF8EDA55AC2B484B93

Le document en format XML

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<front><div type="abstract" xml:lang="en">In the concentration range 75–100 at.% Co, the isothermal section at 1150°C of the system SmCoZr is determined experimentally. The following features are evidenced: a very small Sm solubility in Co, Zr2Co11, and Zr6Co23, an extended Zr for Sm substitution rate in SmCo3, Sm2Co7 and Sm5Co19, and a significant Zr solubility in SmCo5 and Sm2Co17 that induces the existence of a continuous ternary single phase 1:7. On the basis of the lattice parameter data, the formation of this phase by the substitution of Co dumbbells and/or Sm atoms for Zr atoms is proposed.</div>
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Phase equilibria at 1150°C in the Co-rich alloys SmCoZr and structure of the 1:7 phase

Phase equilibria at 1150°C in the Co-rich alloys SmCoZr and structure of the 1:7 phase

Source :

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

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