The nickel-rich corner of the Ni-Al-Ti system

Liquid--solid equilibria were studied in the Ni-rich corner of the Ni--Al--Ti system, using a combination of several experimental techniques, essentially differential thermal analysis (DTA) and all usual techniques of characterization. A modified version of the DTA technique, quench-interrupted DTA,...

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Bibliographic Details
Published in:Journal of materials science 1990, Vol.25 (1A), p.168-174
Main Authors: WILLEMIN, P, DURAND-CHARRE, M
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Phase diagrams of metals and alloys
Physics
Specific materials
Specific phase transitions
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Summary:Liquid--solid equilibria were studied in the Ni-rich corner of the Ni--Al--Ti system, using a combination of several experimental techniques, essentially differential thermal analysis (DTA) and all usual techniques of characterization. A modified version of the DTA technique, quench-interrupted DTA, was employed to establish the solidification paths. A projection of the liquidus surface is proposed and the nature of the monovariant lines is defined. One result is the occurrence of a ternary peritectic reaction between lambda , gamma ' and the liquid. Solid-state equilibria are determined for a temperature of 1250 deg C and the investigation has focused on the gamma ' solid phase field. Photomicrographs, Phase diagrams. 13 ref.--AA(UK/US).
ISSN:0022-2461
1573-4803
DOI:10.1007/BF00544203