Radiation Induced Microstructural Development And Microchemical Changes In Fe Cr Mn Ni Solute Bearing Alloys
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Author |
: H. TAKAHASHI |
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: |
Total Pages |
: |
Release |
: 1990 |
ISBN-10 |
: OCLC:898219433 |
ISBN-13 |
: |
Rating |
: 4/5 (33 Downloads) |
Synopsis RADIATION-INDUCED MICROSTRUCTURAL DEVELOPMENT AND MICROCHEMICAL CHANGES IN Fe-Cr-Mn-Ni SOLUTE-BEARING ALLOYS. by : H. TAKAHASHI
Author |
: H. Takahashi |
Publisher |
: |
Total Pages |
: 10 |
Release |
: 1992 |
ISBN-10 |
: OCLC:1251646530 |
ISBN-13 |
: |
Rating |
: 4/5 (30 Downloads) |
Synopsis The Effects of Nickel on Microstructural Development and Microchemical Changes in Neutron-Irradiated Fe-Cr-Mn Based Steels by : H. Takahashi
Microstructural changes and solute segregation in austenitic Fe-Cr-Mn-Ni alloys have been studied after neutron irradiation to 25 dpa (maximum) in FFTF/MOTA. Voids were nucleated in all of the specimens in the temperature range of 420 to 650°C, and a swelling peak was observed to form at 550°C. The void suppression effect of nickel additions did not occur in these alloys. Precipitates were formed in the matrix and/or on grain boundaries and were mostly identified as M23C6. The composition in the grain boundary area changed, and the chromium (Cr) concentration near the precipitates became higher. On the other hand, manganese and chromium were depleted, and nickel was enriched in the grain boundary area, but without precipitation. Other phases such as ferrite and sigma could not be recognized. Thus, it was revealed that the addition of nickel to Fe-Cr-Mn alloy stabilizes the austenite even in the grain boundary area where segregation is marked.
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: |
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Total Pages |
: 486 |
Release |
: 1991 |
ISBN-10 |
: MINN:31951P00040947T |
ISBN-13 |
: |
Rating |
: 4/5 (7T Downloads) |
Synopsis Scientific and Technical Aerospace Reports by :
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: |
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: |
Total Pages |
: 712 |
Release |
: 1990 |
ISBN-10 |
: MINN:30000006336808 |
ISBN-13 |
: |
Rating |
: 4/5 (08 Downloads) |
Synopsis Energy Research Abstracts by :
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: |
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: |
Total Pages |
: 1388 |
Release |
: 1991 |
ISBN-10 |
: UCSD:31822016328411 |
ISBN-13 |
: |
Rating |
: 4/5 (11 Downloads) |
Synopsis Government Reports Announcements & Index by :
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: |
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: |
Total Pages |
: 1662 |
Release |
: 1991 |
ISBN-10 |
: WISC:89039101886 |
ISBN-13 |
: |
Rating |
: 4/5 (86 Downloads) |
Synopsis Government Reports Annual Index by :
Author |
: Jian Gan |
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: |
Total Pages |
: 710 |
Release |
: 1999 |
ISBN-10 |
: UOM:39015043233785 |
ISBN-13 |
: |
Rating |
: 4/5 (85 Downloads) |
Synopsis Microstructure Evolution in Proton-irradiated Austenitic Fe-Cr-Ni Alloys Under LWR Core Conditions by : Jian Gan
Author |
: HR. Brager |
Publisher |
: |
Total Pages |
: 12 |
Release |
: 1987 |
ISBN-10 |
: OCLC:1251667451 |
ISBN-13 |
: |
Rating |
: 4/5 (51 Downloads) |
Synopsis Neutron-Induced Swelling of Fe-Mn and Fe-Cr-Mn Austenitic Alloys by : HR. Brager
An effort is underway to explore the potential of Fe-Cr-Mn austenitic alloys as substitutes for Fe-Cr-Ni alloys in fusion reactors. This substitution is desired to achieve a reduced level of long-term radioactivity and thereby reduce the cost and safety hazards associated with disposal of reactor components at their end of life. Neutron-induced swelling data to 50 dpa are now available at 520°C for three reduced activation alloy series and for lower exposures at 420 and 600°C. These three series cover simple binary and ternary alloys, solute-modified ternaries, and a variety of commercially available Fe-Cr-Mn alloys. The swelling of these alloys is initially similar to that of Fe-Cr-Ni alloys but then changes in response to phase instabilities that develop in the Fe-Cr-Mn system.
Author |
: |
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: |
Total Pages |
: 14 |
Release |
: 1992 |
ISBN-10 |
: OCLC:727189151 |
ISBN-13 |
: |
Rating |
: 4/5 (51 Downloads) |
Synopsis The Complex Action of Major Solutes on Radiation Induced Swelling of Fe-Cr-Ni Austenitic Alloys by :
The radiation-induced swelling of simple Fe-Cr-Ni austenitic alloys is sensitive to solute additions. It is shown in this paper that three of the most common solute elements (P, Si, Mo) exert a very complex and often non-monotonic influence on swelling with increasing solute level. The complexity of this influence and its dependence on other variables appears to be the result of a closely balanced competition between two or more roles played by each solute in its interaction with both vacancies and interstitials. This competition yields a variety of different swelling behaviors in response to changes in solute or solvent composition, displacement rate, and irradiation temperature.
Author |
: FA. Garner |
Publisher |
: |
Total Pages |
: 13 |
Release |
: 1994 |
ISBN-10 |
: OCLC:1251657346 |
ISBN-13 |
: |
Rating |
: 4/5 (46 Downloads) |
Synopsis The Complex Action of Major Solutes on Radiation-Induced Swelling of Fe-Cr-Ni Austenitic Alloys by : FA. Garner
The radiation-induced swelling of simple Fe-Cr-Ni austenitic alloys is known to be very sensitive to solute additions. It is shown in this paper that three of the most common solute elements (P,Si,Mo) exert a very complex and often non-monotonic influence on swelling with increasing solute level. The complexity of this influence and its dependence on other variables appears to be the result of a closely balanced competition between two or more roles played by each solute in its interaction with both vacancies and interstitials. This competition yields a variety of different swelling behaviors in response to changes in solute or solvent composition, displacement rate, and irradiation temperature.