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Thermodynamic analysis of transition pressure of {delta}-stabilized binary plutonium alloys

Technical Report:

Abstract

The transformation of {delta}-stabilized binary plutonium alloys to {alpha}-Pu was studies by thermodynamic analysis. A transition pressure-composition equation which can characterize the high pressure transformation from {delta} to {alpha} was derived. Values calculated by the equation and values measured by experiments of published references have the same tendency. the following facts can be explained properly by this equation. (1)The transformation pressure increases linearly with the amount of an alloying element. (2) The slope of the plot of transformation pressure versus composition of {delta}-Pu alloys is inversely proportional to the minimum amount of solute required to retain {delta}-phase at room temperature and pressure. (3) Curves showing the relationship between transformation pressure and composition of various {delta}-stabilized binary alloys interact at the same point of zero solute (transformation pressure axis). In addition, some transformation pressures from {delta} to {alpha} of {delta}-stabilized alloys are predicted by using the modified theoretical equation.
Authors:
Qinghui, Wang [1] 
  1. Inst. of Southwest Materials, Sichuan (China)
Publication Date:
Jan 01, 1992
Product Type:
Technical Report
Report Number:
CNIC-00579; SMI-0004.
Reference Number:
SCA: 360102; PA: AIX-24:005155; SN: 93000930382
Resource Relation:
Other Information: PBD: Jan 1992
Subject:
36 MATERIALS SCIENCE; PHASE TRANSFORMATIONS; PRESSURE DEPENDENCE; THERMODYNAMICS; PLUTONIUM-DELTA; ALGORITHMS; BINARY ALLOY SYSTEMS; DIAGRAMS; PLUTONIUM BASE ALLOYS; PLUTONIUM-ALPHA; 360102; STRUCTURE AND PHASE STUDIES
OSTI ID:
10118684
Research Organizations:
China Nuclear Information Centre, Beijing, BJ (China)
Country of Origin:
China
Language:
Chinese
Other Identifying Numbers:
Other: ON: DE93610930; ISBN 7-5022-0635-3; TRN: CN9201673005155
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
[10] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Qinghui, Wang. Thermodynamic analysis of transition pressure of {delta}-stabilized binary plutonium alloys. China: N. p., 1992. Web.
Qinghui, Wang. Thermodynamic analysis of transition pressure of {delta}-stabilized binary plutonium alloys. China.
Qinghui, Wang. 1992. "Thermodynamic analysis of transition pressure of {delta}-stabilized binary plutonium alloys." China.
@misc{etde_10118684,
title = {Thermodynamic analysis of transition pressure of {delta}-stabilized binary plutonium alloys}
author = {Qinghui, Wang}
abstractNote = {The transformation of {delta}-stabilized binary plutonium alloys to {alpha}-Pu was studies by thermodynamic analysis. A transition pressure-composition equation which can characterize the high pressure transformation from {delta} to {alpha} was derived. Values calculated by the equation and values measured by experiments of published references have the same tendency. the following facts can be explained properly by this equation. (1)The transformation pressure increases linearly with the amount of an alloying element. (2) The slope of the plot of transformation pressure versus composition of {delta}-Pu alloys is inversely proportional to the minimum amount of solute required to retain {delta}-phase at room temperature and pressure. (3) Curves showing the relationship between transformation pressure and composition of various {delta}-stabilized binary alloys interact at the same point of zero solute (transformation pressure axis). In addition, some transformation pressures from {delta} to {alpha} of {delta}-stabilized alloys are predicted by using the modified theoretical equation.}
place = {China}
year = {1992}
month = {Jan}
}