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Radiation-Modified Phase Diagrams of Binary Alloys / AS. Bakai, AA. Turkin

Conference Author
Effects of Radiation on Materials: 15th International Symposium (15th : 1990 : Nashville, Tennessee)
Physical Description
1 online resource (22 pages) : illustrations, figures, tables
Additional Creators
Bakai, AS., Turkin, AA., American Society for Testing and Materials, and ASTM International
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Summary
A model for radiation-induced segregation in concentrated binary alloys is described. The model is used to investigate the general properties of quasistationary distributions of point defects and solute in an irradiated alloy with sinks but without precipitates and stress fields. In spite of compositional gradients around sinks arising due to the inverse Kirkendall effect, all sinks remain unbiased toward absorption of defects of a certain species. To derive the rate equations, an effective medium approach for binary alloys is formulated and compared to current ones for pure metals. Considerable difference between growth rates of coherent and incoherent precipitates under irradiation is revealed. The criterion for precipitate stability is expressed in terms of solute solubility. It is shown that irradiation strongly affects the incoherent solubility, whereas the coherent one remains unaltered. A method is presented to construct the radiation-modified phase diagram as well as the temperature-dose rate diagram. The calculations of diagrams are performed for Ni-Si, Ni-Al, and Al-Zn alloys. The comparison of the computed diagrams with the available experimental diagrams is carried out for the Al-Zn alloy.
Dates of Publication and/or Sequential Designation
Volume 1992, Issue 1125 (January 1992)
Subject(s)
Other Subject(s)
ISBN
9780803151871 (e-ISBN)
9780803114777
080311477X
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 44.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1992. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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