Iron-nickel-chromium alloy for fast breeder reactors - has high corrosion resistance to liq. sodium and low radiation-swelling
Alloy with good physical properties up to 720 degrees C; only slightly attacked by molten Na; and with very little swelling when irradiated. The novelty is compsn. 14-19% Cr, 25-35% Ni, 2-3% Mo, 0.1-1% Si, 0.5% max. Mn. 0.03-0.05% C, 0.01% max. each S,P,B,O2, 0.02% N2, balance iron and trace impurit...
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| Main Authors | , , , |
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| Format | Patent |
| Language | English German |
| Published |
22.01.1976
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| Edition | 2 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | Alloy with good physical properties up to 720 degrees C; only slightly attacked by molten Na; and with very little swelling when irradiated. The novelty is compsn. 14-19% Cr, 25-35% Ni, 2-3% Mo, 0.1-1% Si, 0.5% max. Mn. 0.03-0.05% C, 0.01% max. each S,P,B,O2, 0.02% N2, balance iron and trace impurities; and with Nv value 1.6-2.8. The pref. alloy contains 15-18% Cr, 0.25-0.5% Mn, and is worked and heat-treated to give high yield-point and fatigue strength, and good tensile strength at temps. arising in a nuclear reactor, with loss by corrosion due to Na below 0.025-0.051 mm/year. After irradiation of 3 x 1023 nvt, the swelling is pref. max. 5%. The alloy is used for components for fast breeder reactors cooled with liq. sodium. |
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| AbstractList | Alloy with good physical properties up to 720 degrees C; only slightly attacked by molten Na; and with very little swelling when irradiated. The novelty is compsn. 14-19% Cr, 25-35% Ni, 2-3% Mo, 0.1-1% Si, 0.5% max. Mn. 0.03-0.05% C, 0.01% max. each S,P,B,O2, 0.02% N2, balance iron and trace impurities; and with Nv value 1.6-2.8. The pref. alloy contains 15-18% Cr, 0.25-0.5% Mn, and is worked and heat-treated to give high yield-point and fatigue strength, and good tensile strength at temps. arising in a nuclear reactor, with loss by corrosion due to Na below 0.025-0.051 mm/year. After irradiation of 3 x 1023 nvt, the swelling is pref. max. 5%. The alloy is used for components for fast breeder reactors cooled with liq. sodium. |
| Author | L. BLEIBERG,MELVIN DIAMOND,SIDNEY A. SPITZNAGEL,JOHN F. ROWCLIFFE,ARTHUR |
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| DocumentTitleAlternate | NICKEL-CHROM-EISEN-LEGIERUNG, DEREN VERWENDUNG UND DARAUS HERGESTELLTE GEGENSTAENDE |
| Edition | 2 |
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| Notes | Application Number: DE19752528610 |
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| RelatedCompanies | WESTINGHOUSE ELECTRIC CORP |
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| Snippet | Alloy with good physical properties up to 720 degrees C; only slightly attacked by molten Na; and with very little swelling when irradiated. The novelty is... |
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| SubjectTerms | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| Title | Iron-nickel-chromium alloy for fast breeder reactors - has high corrosion resistance to liq. sodium and low radiation-swelling |
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