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1. (WO2018023178) METAL ALLOY COMPOSITION BASED ON ZIRCONIUM HAVING ENHANCED MECHANICAL PROPERTIES AND HIGH RESISTANCE TO CORROSION AND EMBRITTLEMENT, THAT IS USED TO FORM THE STRUCTURAL PART OF NUCLEAR REACTOR COMPONENTS AND THE LINING OF NUCLEAR FUEL ELEMENTS
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Pub. No.:    WO/2018/023178    International Application No.:    PCT/BR2016/000073
Publication Date: 08.02.2018 International Filing Date: 03.08.2016
IPC:
C22C 16/00 (2006.01)
Applicants: INDÚSTRIAS NUCLEARES DO BRASIL SA - INB [BR/BR]; Avenida João Cabral de Mello Neto 400 22775-057 Rio de Janeiro (BR)
Inventors: SILVA DOS SANTOS, Dilson; (BR).
DE ALMEIDA, Luiz Henrique; (BR).
FREITAS RIBEIRO, André; (BR).
MARTÍNS RIBEIRO, Rafaella; (BR)
Agent: DA SILVA GOMES, Sydney; Avenida João Cabral de Mello Neto 400 - 3º Andar 22775-057 Rio de Janeiro (BR)
Priority Data:
Title (EN) METAL ALLOY COMPOSITION BASED ON ZIRCONIUM HAVING ENHANCED MECHANICAL PROPERTIES AND HIGH RESISTANCE TO CORROSION AND EMBRITTLEMENT, THAT IS USED TO FORM THE STRUCTURAL PART OF NUCLEAR REACTOR COMPONENTS AND THE LINING OF NUCLEAR FUEL ELEMENTS
(FR) COMPOSITION D’ALLIAGE MÉTALLIQUE À BASE DE ZIRCONE PRÉSENTANT UNE PROPRIÉTÉ MÉCANIQUE ÉLEVÉE ET UNE HAUTE RÉSISTANCE À LA CORROSION ET À LA FRAGILISATION, DESTINÉE À LA COMPOSITION D’UNE PARTIE STRUCTURALE DE COMPOSANTS DE RÉACTEUR NUCLÉAIRE ET AU REVÊTEMENT D’UN ÉLÉMENT COMBUSTIBLE NUCLÉAIRE
(PT) COMPOSIÇÃO DE LIGA METÁLICA A BASE DE ZIRCÕNIO DOTADA DE ELEVADA PROPRIEDADE MECÂNICA E ALTA RESISTÊNCIA À CORROSÃO E FRAGILIZAÇÃO, DESTINADA À COMPOSIÇÃO DE PARTE ESTRUTURAL DE COMPONENTES DE REATOR NUCLEAR E AO REVESTIMENTO DE ELEMENTO COMBUSTÍVEL NUCLEAR
Abstract: front page image
(EN)The present patent of invention relates to a metal alloy composition based on zirconium (Zr) having enhanced mechanical properties and very high resistance to corrosion and embrittlement, that is used to form the structural part of nuclear reactor components and the lining of nuclear fuel elements, characterized in that it has the following chemical composition in percent by weight: 0.8–1% Nb, 0.2–0.3% Mo, and 0.3–0.6% Sn, with Zr making up the remainder.
(FR)La présente invention concerne une composition d’alliage métallique à base de zircone (Zr) présentant une propriété mécanique élevée et une très haute résistance à la corrosion et à la fragilisation, destinée à la composition d’une partie structurale de composants de réacteur nucléaire et au revêtement d’un élément combustible nucléaire, caractérisée en ce qu’elle consiste en la composition chimique suivante, en pourcentage en poids : 0,8 à 1% de Nb ; 0,2 à 0,3% de Mo et Sn de 0,3 à 0,6% ; le reste étant constitué de Zr.
(PT)Compreende-se a presente patente de invenção a uma composição de liga metálica a base de zircônio (Zr) dotada de elevada propriedade mecânica e altíssima resistência a corrosão e fragilização, destinada a composição de parte estrutural de componentes de reator nuclear e ao revestimento de elemento combustível nuclear, caracterizada por compreender na seguinte composição química em porcentagem em peso; 0.8 a 1 % de Nb; 0.2 a 0.3 de Mo e Sn de 0.3 a 0.6 %, sendo o Zr o balanço total.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: Portuguese (PT)
Filing Language: Portuguese (PT)