JP2021508600A - FeCrAl合金チューブを伸展させるための方法 - Google Patents
FeCrAl合金チューブを伸展させるための方法 Download PDFInfo
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- JP2021508600A JP2021508600A JP2020535548A JP2020535548A JP2021508600A JP 2021508600 A JP2021508600 A JP 2021508600A JP 2020535548 A JP2020535548 A JP 2020535548A JP 2020535548 A JP2020535548 A JP 2020535548A JP 2021508600 A JP2021508600 A JP 2021508600A
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- tube
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- fecral alloy
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 44
- 239000000956 alloy Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005482 strain hardening Methods 0.000 claims abstract description 27
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/12—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Extraction Processes (AREA)
Abstract
【選択図】図1
Description
Cr 9〜25;
Al 3〜7;
残部のFe及び不可避の不純物。
Y 0.05〜0.60;Zr 0.01〜0.30;Hf 0.05〜0.50;Ta 0.05〜0.50;Ti 0〜0.10;C 0.01〜0.05;N 0.01〜0.06;O 0.02〜0.10;Si 0.10〜3.0;Mn 0.05〜0.50;P 0〜0.03;及びS 0〜0.03。
Claims (9)
- フェライトFeCrAl合金を含むチューブ(2)を提供する工程、
チューブ(2)を加熱する工程(109)、及び
加熱されたチューブ(2)を伸張(108)により伸展及び形成する工程
を含むチューブ(2)の伸展(107)のための方法 - 加熱されたチューブ(2)が、チューブ(2)の長手方向(7)に不可逆的に伸張される(109)、請求項1に記載の方法。
- 伸展及び形成の工程の間に、チューブ(2)がチューブ(2)の第1の端部(4)及び/又はチューブ(2)の第2の端部(6)に取り付けられ、チューブ(2)の第1の端部(4)及び/又は第2の端部(5)が、設定された力で引っ張られる、請求項1又は2に記載の方法。
- チューブ(2)を通って流れる電流によりチューブ(2)を加熱するために、伸展及び形成の間に電圧がチューブ(2)に印加される、請求項1から3のいずれか一項に記載の方法。
- 伸展及び形成中のチューブ(2)が約100℃から約1400℃の範囲の温度を有するように、チューブ(2)が加熱される、請求項1から4のいずれか一項に記載の方法。
- チューブ(2)のフェライトFeCrAl合金が、wt%で:
Cr 9〜25;
Al 3〜7;
残部のFe;及び通常生じる不純物
を含む、請求項1から5のいずれか一項に記載の方法。 - 以下の順で:
フェライトFeCrAl合金を含む中空を提供する工程(100)、
中空をチューブ(2)に冷間加工する工程(105)、
チューブ(2)を焼鈍する工程(106)、及び
請求項1から10のいずれか一項に記載の方法を使用して、チューブ(2)を伸展する工程(107)
を含むチューブ(2)を製造するための方法。 - 冷間加工(105)中の中空が、約90℃から約600℃の範囲の温度を有する、請求項7に記載の方法。
- 冷間加工(105)が、ピルガー又は引抜又は伸張である、請求項7又は8に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17210696.5 | 2017-12-27 | ||
EP17210696 | 2017-12-27 | ||
PCT/EP2018/086767 WO2019129747A1 (en) | 2017-12-27 | 2018-12-21 | A method for straightening of a fecral alloy tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021508600A true JP2021508600A (ja) | 2021-03-11 |
JP7434687B2 JP7434687B2 (ja) | 2024-02-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020535548A Active JP7434687B2 (ja) | 2017-12-27 | 2018-12-21 | FeCrAl合金チューブを伸展させるための方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11724299B2 (ja) |
EP (1) | EP3732311A1 (ja) |
JP (1) | JP7434687B2 (ja) |
KR (1) | KR20200100661A (ja) |
CN (1) | CN111542628A (ja) |
WO (1) | WO2019129747A1 (ja) |
Families Citing this family (3)
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KR102324087B1 (ko) * | 2019-12-18 | 2021-11-10 | 한전원자력연료 주식회사 | 페라이트계 합금 및 이를 이용한 핵연료 피복관의 제조방법 |
WO2023086007A1 (en) * | 2021-11-11 | 2023-05-19 | Kanthal Ab | A fecral powder and an object made thereof |
WO2023086006A1 (en) * | 2021-11-11 | 2023-05-19 | Kanthal Ab | A ferritic iron-chromium-aluminum powder and a seamless tube made thereof |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1035013A (en) * | 1964-02-07 | 1966-07-06 | Fuchs Gmbh | A method of and apparatus for straightening and straining rod, tube and bar sectionsmade of metal, particularly copper and light metal alloys |
JPS5578484A (en) * | 1978-12-08 | 1980-06-13 | Matsushita Electric Ind Co Ltd | Method of fabricating sheathed heater |
JPH0499821A (ja) * | 1990-08-15 | 1992-03-31 | Hakusan Seisakusho:Kk | 金属管の焼鈍装置 |
JPH06226348A (ja) * | 1993-01-29 | 1994-08-16 | Sumitomo Metal Ind Ltd | 鋼管の熱間曲がり矯正方法 |
JPH0776728A (ja) * | 1993-09-07 | 1995-03-20 | Sumitomo Metal Ind Ltd | 靭性に優れた13%Cr鋼鋼管の製造方法 |
JPH09228008A (ja) * | 1996-02-16 | 1997-09-02 | Riken Corp | 高温での形状安定性に優れたFe−Cr−Al系鋼管 |
JP2007524001A (ja) * | 2004-02-23 | 2007-08-23 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | 高温用途用Cr−Al鋼 |
CN101637789A (zh) * | 2009-08-18 | 2010-02-03 | 西安航天博诚新材料有限公司 | 一种电阻热张力矫直装置及矫直方法 |
CN106319369A (zh) * | 2016-10-12 | 2017-01-11 | 苏州热工研究院有限公司 | 一种核燃料包壳材料用FeCrAl基合金材料 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5531912A (en) * | 1994-09-02 | 1996-07-02 | Henkel Corporation | Composition and process for lubricating metal before cold forming |
RU2271888C2 (ru) * | 2004-06-02 | 2006-03-20 | ОАО "Челябинский трубопрокатный завод" | Способ производства конусных длинномерных полых металлических изделий горячей прокаткой |
CN104862593B (zh) * | 2015-04-28 | 2016-10-05 | 苏州钢特威钢管有限公司 | 铁素体不锈钢无缝钢管的制备方法 |
-
2018
- 2018-12-21 EP EP18826390.9A patent/EP3732311A1/en active Pending
- 2018-12-21 WO PCT/EP2018/086767 patent/WO2019129747A1/en unknown
- 2018-12-21 US US16/958,175 patent/US11724299B2/en active Active
- 2018-12-21 KR KR1020207018130A patent/KR20200100661A/ko not_active Application Discontinuation
- 2018-12-21 JP JP2020535548A patent/JP7434687B2/ja active Active
- 2018-12-21 CN CN201880083674.9A patent/CN111542628A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1035013A (en) * | 1964-02-07 | 1966-07-06 | Fuchs Gmbh | A method of and apparatus for straightening and straining rod, tube and bar sectionsmade of metal, particularly copper and light metal alloys |
JPS5578484A (en) * | 1978-12-08 | 1980-06-13 | Matsushita Electric Ind Co Ltd | Method of fabricating sheathed heater |
JPH0499821A (ja) * | 1990-08-15 | 1992-03-31 | Hakusan Seisakusho:Kk | 金属管の焼鈍装置 |
JPH06226348A (ja) * | 1993-01-29 | 1994-08-16 | Sumitomo Metal Ind Ltd | 鋼管の熱間曲がり矯正方法 |
JPH0776728A (ja) * | 1993-09-07 | 1995-03-20 | Sumitomo Metal Ind Ltd | 靭性に優れた13%Cr鋼鋼管の製造方法 |
JPH09228008A (ja) * | 1996-02-16 | 1997-09-02 | Riken Corp | 高温での形状安定性に優れたFe−Cr−Al系鋼管 |
JP2007524001A (ja) * | 2004-02-23 | 2007-08-23 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | 高温用途用Cr−Al鋼 |
CN101637789A (zh) * | 2009-08-18 | 2010-02-03 | 西安航天博诚新材料有限公司 | 一种电阻热张力矫直装置及矫直方法 |
CN106319369A (zh) * | 2016-10-12 | 2017-01-11 | 苏州热工研究院有限公司 | 一种核燃料包壳材料用FeCrAl基合金材料 |
Non-Patent Citations (1)
Title |
---|
YUKINORI YAMAMOTO, ORNL/TM-2015/478 DEVELOPMENT AND QUALITY ASSESSMENTS OF COMMERCIAL HEAT PRODUCTION OF ATF FECRAL TUB, JPN6023021407, 4 September 2015 (2015-09-04), US, pages 1 - 40, ISSN: 0005070715 * |
Also Published As
Publication number | Publication date |
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US20200360978A1 (en) | 2020-11-19 |
EP3732311A1 (en) | 2020-11-04 |
CN111542628A (zh) | 2020-08-14 |
WO2019129747A1 (en) | 2019-07-04 |
KR20200100661A (ko) | 2020-08-26 |
JP7434687B2 (ja) | 2024-02-21 |
US11724299B2 (en) | 2023-08-15 |
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