JP6692466B2 - 低熱膨張合金 - Google Patents
低熱膨張合金 Download PDFInfo
- Publication number
- JP6692466B2 JP6692466B2 JP2018566331A JP2018566331A JP6692466B2 JP 6692466 B2 JP6692466 B2 JP 6692466B2 JP 2018566331 A JP2018566331 A JP 2018566331A JP 2018566331 A JP2018566331 A JP 2018566331A JP 6692466 B2 JP6692466 B2 JP 6692466B2
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- Japan
- Prior art keywords
- thermal expansion
- low thermal
- alloy
- content
- less
- 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.)
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Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 33
- 239000000956 alloy Substances 0.000 title claims description 33
- 230000009466 transformation Effects 0.000 claims description 24
- 229910000734 martensite Inorganic materials 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000005242 forging Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 3
- 229910020598 Co Fe Inorganic materials 0.000 description 3
- 229910002519 Co-Fe Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910001374 Invar Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Classifications
-
- 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
-
- 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
- C22C38/06—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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Description
Claims (2)
- 質量%で、
Co:2.50〜3.52%
を含有し、かつ、Niの含有量を[Ni](質量%)、Coの含有量を[Co](質量%)としたとき、
[Co]≧−4×[Ni]+136、及び
[Co]≦−4×[Ni]+139
を満たすNiを含有し、残部がFe及び不可避的不純物であり、
0〜30℃における平均熱膨張係数が0.5×10-6/℃以下であり、
マルテンサイト変態温度が−120℃以下である
ことを特徴とする低熱膨張合金。 - 前記Feの一部に代えて、質量%で、
C :0〜0.040%、
Si:0〜0.30%、
Mn:0〜0.50%、
Al:0〜0.20%、
Mg:0〜0.100%、
Ca:0〜0.100%、
Ce:0〜0.100%、及び
La:0〜0.100%
の1種以上を含有することを特徴とする請求項1に記載の低熱膨張合金。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017168818 | 2017-09-01 | ||
JP2017168818 | 2017-09-01 | ||
PCT/JP2018/031447 WO2019044721A1 (ja) | 2017-09-01 | 2018-08-24 | 低熱膨張合金 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019044721A1 JPWO2019044721A1 (ja) | 2019-11-07 |
JP6692466B2 true JP6692466B2 (ja) | 2020-05-13 |
Family
ID=65525628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018566331A Active JP6692466B2 (ja) | 2017-09-01 | 2018-08-24 | 低熱膨張合金 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11371123B2 (ja) |
JP (1) | JP6692466B2 (ja) |
WO (1) | WO2019044721A1 (ja) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556484A (en) * | 1979-03-16 | 1980-01-17 | Nisshin Steel Co Ltd | High ni-fe alloy for liquefied natural gas |
JPS61235535A (ja) * | 1985-04-10 | 1986-10-20 | Hitachi Metals Ltd | リ−ドフレ−ム用合金 |
US4853298A (en) * | 1986-04-08 | 1989-08-01 | Carpenter Technology Corporation | Thermally stable super invar and its named article |
JP2739475B2 (ja) * | 1988-01-26 | 1998-04-15 | 日新製鋼株式会社 | 高膨張合金 |
US20020043306A1 (en) * | 1995-05-05 | 2002-04-18 | Imphy S.A. | Fe-Co-Ni alloy and use for the manufacture of a shadow mask |
JP3730360B2 (ja) * | 1997-05-13 | 2006-01-05 | 東北特殊鋼株式会社 | 高強度低熱膨張合金 |
JP2000119793A (ja) * | 1998-10-13 | 2000-04-25 | Toshiba Corp | 低温安定性低膨張鋳鉄およびその製造方法 |
JP2001011580A (ja) * | 1999-07-02 | 2001-01-16 | Shin-Hokoku Steel Corp | 低温安定型Ni−Co−Fe系低熱膨張合金 |
JP2001192777A (ja) * | 1999-10-21 | 2001-07-17 | Hitachi Metals Ltd | 低熱膨張鋳造材 |
JP2003221650A (ja) * | 2001-11-22 | 2003-08-08 | Shin-Hokoku Steel Corp | 快削性に富む低温安定型低熱膨張合金 |
JP5721691B2 (ja) * | 2012-11-20 | 2015-05-20 | Jx日鉱日石金属株式会社 | メタルマスク材料及びメタルマスク |
JP6300574B2 (ja) * | 2014-02-28 | 2018-03-28 | 新報国製鉄株式会社 | 高剛性低熱膨張鋳物 |
JP6188643B2 (ja) * | 2014-06-30 | 2017-08-30 | 新報国製鉄株式会社 | 極低熱膨張合金及びその製造方法 |
JP6058045B2 (ja) * | 2014-07-02 | 2017-01-11 | 新報国製鉄株式会社 | 高剛性低熱膨張鋳物及びその製造方法 |
JP6656013B2 (ja) * | 2016-02-17 | 2020-03-04 | 新報国製鉄株式会社 | 低熱膨張鋳鋼品及びその製造方法 |
-
2018
- 2018-08-24 WO PCT/JP2018/031447 patent/WO2019044721A1/ja active Application Filing
- 2018-08-24 JP JP2018566331A patent/JP6692466B2/ja active Active
- 2018-08-24 US US16/621,873 patent/US11371123B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019044721A1 (ja) | 2019-03-07 |
US20210198773A1 (en) | 2021-07-01 |
US11371123B2 (en) | 2022-06-28 |
JPWO2019044721A1 (ja) | 2019-11-07 |
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