JPH08512135A - 2段階で最終処理される案内管を備える加圧水型原子炉の燃料要素 - Google Patents
2段階で最終処理される案内管を備える加圧水型原子炉の燃料要素Info
- Publication number
- JPH08512135A JPH08512135A JP7503431A JP50343195A JPH08512135A JP H08512135 A JPH08512135 A JP H08512135A JP 7503431 A JP7503431 A JP 7503431A JP 50343195 A JP50343195 A JP 50343195A JP H08512135 A JPH08512135 A JP H08512135A
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- fuel element
- fuel
- temperature
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/186—High-melting or refractory metals or alloys based thereon of zirconium or alloys based thereon
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Articles (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 一緒に1つのフレームを形成する頂部ノズル、底部ノズル、スペーサ、 および案内管、および、該フレーム内に実質的に正方形の格子状に配置される、 円筒形の燃料ペレットを詰められる被覆を有する燃料棒を備える、加圧水型原子 炉(PWR)で使用される燃料要素において、該案内管が前記フレーム内に装架 される前に、2つの段階、すなわち、該管が仕上り寸法になっている状態で、ま たは管の主要部分が仕上り寸法になっているときに行われるベータ急冷で成る第 1段階と、840℃以下のアルファ相温度範囲の少なくとも1つの熱処理で成る 第2段階とで、最終的に熱処理されることを特徴とする燃料要素。 2. 前記アルファ相範囲の熱処理が、所要の熱処理温度まで温度を緩慢に上 昇させるごとくして行われるか、あるいはまた、該熱処理が最初に600℃以下 のより低い温度で、それから840℃以下のより高い温度で行われることを特徴 とする請求の範囲第1項に記載の燃料要素。 3. 前記アルファ相範囲の熱処理が600から800℃で行われることを特 徴とする請求の範囲第1項に記載の燃料要素。 4. 前記ベータ急冷が、前記管の一部分だけを相変態させるようにして行わ れることを特徴とする請求の範囲第1項、第2項、または第3項に記載の燃料要 素。 5. 該燃料要素の燃料棒が被覆を有し、この被覆を完成させるための最終熱 処理がアルファ相範囲だけで行われることを特徴とする請求の範囲第1項、第2 項、第3項、または第4項に記載の燃料要素。 6. 案内管のある回数の冷間圧延段階とこれらの間に行われる中間熱処理作 業、最終熱処理、および該管の直径の完成を含む、加圧水型原子炉(PWR)の 燃料要素に備えられる案内管を製造する方法において、該案内管が、2つの段階 、すなわち、該管が仕上り寸法になっている状態で、または管の主要部分が仕上 り寸法になっているときに行われるベータ急冷で成る第1段階と、840℃以下 のアルファ相温度範囲の熱処理で成る第2段階とで、最終的に熱処理されること を特徴とする案内管を製造する方法。 7. 前記アルファ相範囲の熱処理が、所要の熱処理温度まで温度を緩慢に上 昇させるごとくして行われるか、あるいはまた、該熱処理が最初により低い温度 で、それからより高い温度で行われることを特徴とする請求の範囲第6項に記載 の方法。 8. 前記アルファ相範囲の熱処理が600から800℃で行われることを特 徴とする請求の範囲第6項または第7項に記載の方法。 9. 前記ベータ急冷が、前記管の一部分だけを相変態させるようにして行わ れることを特徴とする請求の範囲第6項、第7項、または第8項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302251A SE502866C2 (sv) | 1993-06-30 | 1993-06-30 | Bränsleelement för tryckvattenreaktor vars ledrör är slutvärmebehandlade i två steg |
SE9302251-5 | 1993-06-30 | ||
PCT/SE1994/000644 WO1995001639A1 (en) | 1993-06-30 | 1994-06-29 | Fuel element for pressurized-water reactor with guide tubes finally heat-treated in two steps |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08512135A true JPH08512135A (ja) | 1996-12-17 |
JP3522760B2 JP3522760B2 (ja) | 2004-04-26 |
Family
ID=20390464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50343195A Expired - Lifetime JP3522760B2 (ja) | 1993-06-30 | 1994-06-29 | 2段階で最終処理される案内管を備える加圧水型原子炉の燃料要素 |
Country Status (6)
Country | Link |
---|---|
US (2) | US5654993A (ja) |
EP (1) | EP0706706B1 (ja) |
JP (1) | JP3522760B2 (ja) |
DE (1) | DE69413538T2 (ja) |
SE (1) | SE502866C2 (ja) |
WO (1) | WO1995001639A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE513488C2 (sv) * | 1994-06-22 | 2000-09-18 | Sandvik Ab | Sätt att tillverka rör av zirkoniumbaslegering för kärnreaktorer och användning av sättet vid tillverkning av sådana rör |
SE9601594D0 (sv) * | 1996-04-26 | 1996-04-26 | Asea Atom Ab | Fuel boxes and a method for manufacturing fuel boxes |
DE19635927C1 (de) * | 1996-09-04 | 1998-02-12 | Siemens Ag | Führungsrohre für Druckwasserreaktor-Brennelement mit minimiertem strahlungsinduziertem Wachstum und zugehöriges Herstellungsverfahren |
US6167104A (en) * | 1996-09-04 | 2000-12-26 | Siemens Aktiengesellschaft | Pressurized water reactor fuel assembly with a guide tube and method for producing the guide tube |
SE519613C2 (sv) * | 1997-02-14 | 2003-03-18 | Westinghouse Atom Ab | Förfarande för framställning av en spridare, en spridare och ett bränsleelement |
SE514678C2 (sv) | 1998-11-12 | 2001-04-02 | Westinghouse Atom Ab | Förfarande för framställning av en komponent utsatt för förhöjd strålning i en korrosiv miljö |
JP2003149369A (ja) * | 2001-11-08 | 2003-05-21 | Mitsubishi Nuclear Fuel Co Ltd | 燃料集合体支持格子の製造方法 |
SE525455C2 (sv) * | 2002-06-07 | 2005-02-22 | Westinghouse Atom Ab | Förfarande, användning och anordning beträffande kapslingsrör för kärnbränsle samt bränslepatron för en nukleär kokarvattenreaktor |
SE530673C2 (sv) * | 2006-08-24 | 2008-08-05 | Westinghouse Electric Sweden | Vattenreaktorbränslekapslingsrör |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT594672A (ja) * | 1957-07-26 | |||
US4360389A (en) * | 1975-11-17 | 1982-11-23 | General Electric Company | Zirconium alloy heat treatment process |
US4770847A (en) * | 1982-06-01 | 1988-09-13 | General Electric Company | Control of differential growth in nuclear reactor components by control of metallurgical conditions |
US4649023A (en) * | 1985-01-22 | 1987-03-10 | Westinghouse Electric Corp. | Process for fabricating a zirconium-niobium alloy and articles resulting therefrom |
EP0296972B1 (fr) * | 1987-06-23 | 1992-08-12 | Framatome | Procédé de fabrication d'un tube en alliage à base de zirconium pour réacteur nucléaire et applications |
US5230758A (en) * | 1989-08-28 | 1993-07-27 | Westinghouse Electric Corp. | Method of producing zirlo material for light water reactor applications |
SE463790B (sv) * | 1989-10-27 | 1991-01-21 | Sandvik Ab | Metod foer framstaellning av kapslingsroer foer braenslestavar i kaernreaktorer |
-
1993
- 1993-06-30 SE SE9302251A patent/SE502866C2/sv not_active IP Right Cessation
-
1994
- 1994-06-29 JP JP50343195A patent/JP3522760B2/ja not_active Expired - Lifetime
- 1994-06-29 DE DE69413538T patent/DE69413538T2/de not_active Expired - Lifetime
- 1994-06-29 US US08/564,191 patent/US5654993A/en not_active Expired - Lifetime
- 1994-06-29 WO PCT/SE1994/000644 patent/WO1995001639A1/en active IP Right Grant
- 1994-06-29 EP EP94920626A patent/EP0706706B1/en not_active Expired - Lifetime
-
1996
- 1996-12-10 US US08/762,952 patent/US5677937A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1995001639A1 (en) | 1995-01-12 |
SE9302251L (sv) | 1994-12-31 |
DE69413538D1 (de) | 1998-10-29 |
EP0706706B1 (en) | 1998-09-23 |
SE9302251D0 (sv) | 1993-06-30 |
EP0706706A1 (en) | 1996-04-17 |
US5654993A (en) | 1997-08-05 |
US5677937A (en) | 1997-10-14 |
DE69413538T2 (de) | 1999-05-12 |
JP3522760B2 (ja) | 2004-04-26 |
SE502866C2 (sv) | 1996-02-05 |
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