JP2019210523A - オーステナイト系ステンレス鋼及び原子炉内構造物 - Google Patents
オーステナイト系ステンレス鋼及び原子炉内構造物 Download PDFInfo
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- JP2019210523A JP2019210523A JP2018108244A JP2018108244A JP2019210523A JP 2019210523 A JP2019210523 A JP 2019210523A JP 2018108244 A JP2018108244 A JP 2018108244A JP 2018108244 A JP2018108244 A JP 2018108244A JP 2019210523 A JP2019210523 A JP 2019210523A
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- 229910001566 austenite Inorganic materials 0.000 title claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 title description 8
- 239000010935 stainless steel Substances 0.000 title description 8
- 239000013078 crystal Substances 0.000 claims abstract description 68
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims abstract description 24
- 229910000859 α-Fe Inorganic materials 0.000 claims description 30
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 30
- 238000012360 testing method Methods 0.000 description 38
- 238000000034 method Methods 0.000 description 24
- 238000010438 heat treatment Methods 0.000 description 22
- 230000007423 decrease Effects 0.000 description 15
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 239000000843 powder Substances 0.000 description 10
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 238000007712 rapid solidification Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001887 electron backscatter diffraction Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000012612 commercial material Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (9)
- 平均結晶粒径20μm以下の柱状晶と、平均結晶粒径5.0μm以下の等軸晶の混粒組織からなり、
前記混粒組織の中で柱状晶の面積比率は20%以上であり、
全体の平均結晶粒径は5.0μm以下であることを特徴とするオーステナイト系ステンレス鋼。 - 請求項1に記載のオーステナイト系ステンレス鋼において、
母相はオーステナイト単相であることを特徴とするオーステナイト系ステンレス鋼。 - 請求項1に記載のオーステナイト系ステンレス鋼において、
母相はオーステナイト相とフェライト相の混合相であり、
前記フェライト相の比率は20%以下であることを特徴とするオーステナイト系ステンレス鋼。 - 請求項1乃至3のいずれか一項に記載のオーステナイト系ステンレス鋼において、
重量比でCr:16〜26%、Ni:3.5〜26%、Si:0.1〜1.0%、Mo:0.01〜7.0%、Mn:0.1〜2.5%、C:0.01〜0.08%、O:0.01〜0.5%、N:0.01〜0.25%を含有し、かつ、Zr:0.1〜2.8%、Ti:0.1〜2.6%及び添加元素を含有し、残部がFe及び不可避不純物からなり、
前記添加元素はZr、Ti、Ta、Hfのうちの1つ以上を含むことを特徴とするオーステナイト系ステンレス鋼。 - 請求項4に記載のオーステナイト系ステンレス鋼において、
前記添加元素がZrを含む場合にはZr:0.1〜2.8%、
前記添加元素がTiを含む場合にはTi:0.1〜2.8%、
前記添加元素がTaを含む場合にはTa:0.2〜5.0%、
前記添加元素がHfを含む場合にはHf:0.1〜4.7%を含有することを特徴とするオーステナイト系ステンレス鋼。 - 請求項1乃至6のいずれか一項に記載のオーステナイト系ステンレス鋼において、
前記添加元素を主成分とする析出相を有し、
前記析出相の平均粒径20nm以下であり、
前記析出相の数密度は1.0×1021m-3以上であることを特徴とするオーステナイト系ステンレス鋼。 - 請求項7に記載のオーステナイト系ステンレス鋼において、
前記析出相はアスペクト比1.5未満の楕円形または矩形状であることを特徴としたオーステナイト系ステンレス鋼。 - 請求項1乃至8のいずれか一項に記載のオーステナイト系ステンレス鋼で部品を構成することを特徴とする原子炉内構造物。
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JP2018108244A JP7141251B2 (ja) | 2018-06-06 | 2018-06-06 | オーステナイト系ステンレス鋼及び原子炉内構造物 |
US17/058,250 US11634805B2 (en) | 2018-06-06 | 2019-03-11 | Austenitic stainless steel and reactor internal structure |
PCT/JP2019/009613 WO2019235014A1 (ja) | 2018-06-06 | 2019-03-11 | オーステナイト系ステンレス鋼及び原子炉内構造物 |
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Cited By (1)
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JP7191266B1 (ja) | 2022-08-23 | 2022-12-16 | 株式会社エヌ・ティ・ティ・データ・ザムテクノロジーズ | オーステナイト系ステンレス鋼造形物の製造方法 |
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CN113059153A (zh) * | 2021-03-22 | 2021-07-02 | 湖南大学 | 一种奥氏体不锈钢及其激光增材制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62197247A (ja) * | 1986-02-21 | 1987-08-31 | Nippon Yakin Kogyo Co Ltd | 異方性が小さくかつ結晶粒が粗大化し難いオーステナイト系ステンレス鋼薄板帯の製造方法 |
JP2001347349A (ja) * | 2000-06-05 | 2001-12-18 | Nippon Steel Corp | 微細な凝固組織を備えた鋳片及びそれを加工した鋼材 |
JP2002256400A (ja) * | 2001-02-27 | 2002-09-11 | Hitachi Ltd | 高耐食性高強度オーステナイト系ステンレス鋼とその製法 |
JP2015055005A (ja) * | 2013-09-13 | 2015-03-23 | 日立Geニュークリア・エナジー株式会社 | オーステナイト系ステンレス鋼及びそれを用いた放射性廃液処理設備機器 |
WO2017057838A1 (ko) * | 2015-10-02 | 2017-04-06 | 주식회사 쓰리디컨트롤즈 | 3차원 프린팅용 금속 분말 함유 조성물, 이를 원료로 하는 3차원 프린팅 방법 및 3차원 프링팅 장치 |
WO2017073422A1 (ja) * | 2015-10-30 | 2017-05-04 | 株式会社日立製作所 | 分散強化型オーステナイト系ステンレス鋼材、該ステンレス鋼材の製造方法および該ステンレス鋼材からなる製造物 |
CN107740002A (zh) * | 2017-06-13 | 2018-02-27 | 刘红宾 | 一种新型控氮奥氏体不锈钢及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08337853A (ja) | 1995-06-09 | 1996-12-24 | Hitachi Ltd | 高耐食性高強度オーステナイト焼結鋼とその製造方法及びその用途 |
JP2002285289A (ja) | 2001-03-26 | 2002-10-03 | Hitachi Ltd | 高強度フェライト系ステンレス鋼とその製法 |
JP2019060006A (ja) | 2017-09-28 | 2019-04-18 | 株式会社日立製作所 | 合金部材及びそれを用いた製造物 |
DE102018130945A1 (de) * | 2017-12-12 | 2019-06-13 | Vdm Metals International Gmbh | Eisen-chrom-nickel-bor-legierung |
-
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62197247A (ja) * | 1986-02-21 | 1987-08-31 | Nippon Yakin Kogyo Co Ltd | 異方性が小さくかつ結晶粒が粗大化し難いオーステナイト系ステンレス鋼薄板帯の製造方法 |
JP2001347349A (ja) * | 2000-06-05 | 2001-12-18 | Nippon Steel Corp | 微細な凝固組織を備えた鋳片及びそれを加工した鋼材 |
JP2002256400A (ja) * | 2001-02-27 | 2002-09-11 | Hitachi Ltd | 高耐食性高強度オーステナイト系ステンレス鋼とその製法 |
JP2015055005A (ja) * | 2013-09-13 | 2015-03-23 | 日立Geニュークリア・エナジー株式会社 | オーステナイト系ステンレス鋼及びそれを用いた放射性廃液処理設備機器 |
WO2017057838A1 (ko) * | 2015-10-02 | 2017-04-06 | 주식회사 쓰리디컨트롤즈 | 3차원 프린팅용 금속 분말 함유 조성물, 이를 원료로 하는 3차원 프린팅 방법 및 3차원 프링팅 장치 |
WO2017073422A1 (ja) * | 2015-10-30 | 2017-05-04 | 株式会社日立製作所 | 分散強化型オーステナイト系ステンレス鋼材、該ステンレス鋼材の製造方法および該ステンレス鋼材からなる製造物 |
CN107740002A (zh) * | 2017-06-13 | 2018-02-27 | 刘红宾 | 一种新型控氮奥氏体不锈钢及其制备方法 |
Cited By (2)
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JP7191266B1 (ja) | 2022-08-23 | 2022-12-16 | 株式会社エヌ・ティ・ティ・データ・ザムテクノロジーズ | オーステナイト系ステンレス鋼造形物の製造方法 |
JP2024029843A (ja) * | 2022-08-23 | 2024-03-07 | 株式会社エヌ・ティ・ティ・データ・ザムテクノロジーズ | オーステナイト系ステンレス鋼造形物の製造方法 |
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