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Titolo:
DIFFUSION-CONTROLLED GROWTH IN TERNARY-SYSTEMS
Autore:
BOURNE JP; ATKINSON C; REED RC;
Indirizzi:
UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT MAT LONDON SW7 2RH ENGLAND UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT MATH LONDON SW7 2RH ENGLAND
Titolo Testata:
Metallurgical and materials transactions. A, Physical metallurgy andmaterials science
fascicolo: 12, volume: 25, anno: 1994,
pagine: 2683 - 2694
SICI:
1073-5623(1994)25:12<2683:DGIT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
BOUNDARY FERRITE ALLOTRIOMORPHS; REGULAR SOLUTION MODEL; C SYSTEM; THERMODYNAMIC EVALUATION; PRECIPITATE GROWTH; KINETICS; ALLOYS; PHASES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
40
Recensione:
Indirizzi per estratti:
Citazione:
J.P. Bourne et al., "DIFFUSION-CONTROLLED GROWTH IN TERNARY-SYSTEMS", Metallurgical and materials transactions. A, Physical metallurgy andmaterials science, 25(12), 1994, pp. 2683-2694

Abstract

Diffusion-controlled growth of particles, dendrites, and plates in infinite media is examined for ternary systems. The growth kinetics associated with planar, cylindrical, and spherical particles are shown to be limiting cases of a more complete analysis (also presented) for shape-preserving growth. The theory is applied to the growth of allotriomorphic fenite from austenite in ternary Fe-C-X steels, where X represents a substitutional alloying element. Numerical results are given, the analysis relying on the ability to predict multicomponent phase equilibria. The work represents an attempt at coupling together thermodynamic and kinetic models for the diffusion-controlled phase transformations that occur in steels.

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Documento generato il 04/12/20 alle ore 13:05:48