JP7422302B2 - 連続鋳造用鋳型の製造方法 - Google Patents
連続鋳造用鋳型の製造方法 Download PDFInfo
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- JP7422302B2 JP7422302B2 JP2019193478A JP2019193478A JP7422302B2 JP 7422302 B2 JP7422302 B2 JP 7422302B2 JP 2019193478 A JP2019193478 A JP 2019193478A JP 2019193478 A JP2019193478 A JP 2019193478A JP 7422302 B2 JP7422302 B2 JP 7422302B2
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- copper
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- continuous casting
- nickel
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- 238000009749 continuous casting Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 78
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 72
- 239000010949 copper Substances 0.000 claims description 72
- 229910052802 copper Inorganic materials 0.000 claims description 72
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- 229910052759 nickel Inorganic materials 0.000 claims description 36
- 229910045601 alloy Inorganic materials 0.000 claims description 35
- 239000000956 alloy Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 26
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000005499 meniscus Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 15
- 238000007747 plating Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 238000005336 cracking Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910000856 hastalloy Inorganic materials 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910001055 inconels 600 Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 238000000790 scattering method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Description
以下、本発明の試験結果に基づき、本発明を詳しく説明する。
Claims (5)
- 鋼の連続鋳造に用いる銅または銅合金製鋳型銅板の、少なくとも鋳造中の溶湯のメニスカス位置を含む領域の内表面に複数の凹部を形成し、その凹部に前記銅または銅合金よりも熱伝導率が低い金属を供給しながら波長300~600nmのレーザーを照射し、前記金属を溶融・凝固させることにより、鋳型銅板よりも熱伝導率が低い金属の充填層を形成し、その充填された金属の少なくとも一部は前記鋳型の銅または銅合金成分と混合するように前記金属の充填を行うことを特徴とする連続鋳造用鋳型の製造方法。
- 前記凹部に充填する金属は、ニッケルまたはニッケル基合金の、粉末またはワイヤーであることを特徴とする請求項1に記載の連続鋳造用鋳型の製造方法。
- 前記金属の充填層は、厚み0.2~2mmのニッケルまたはニッケル基合金を、厚み1~10mmに多層肉盛りした充填層であることを特徴とする請求項2に記載の連続鋳造用鋳型の製造方法。
- 前記多層肉盛り充填層は、凹部の底部に位置する第1層が50質量%以下の銅を含有し、第2層から最表面層まで、段階的に銅の含有量を減少させることを特徴とする請求項3に記載の連続鋳造用鋳型の製造方法。
- 最表面層の銅の含有量が、1質量%以下であることを特徴とする請求項4に記載の連続鋳造用鋳型の製造方法。
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JP2021065911A JP2021065911A (ja) | 2021-04-30 |
JP7422302B2 true JP7422302B2 (ja) | 2024-01-26 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000119835A (ja) | 1998-10-13 | 2000-04-25 | Agency Of Ind Science & Technol | 耐エロージョン性の優れた被膜の形成方法 |
JP2018192530A (ja) | 2015-08-18 | 2018-12-06 | Jfeスチール株式会社 | 連続鋳造用鋳型及び鋼の連続鋳造方法 |
WO2021079971A1 (ja) | 2019-10-24 | 2021-04-29 | Jfeスチール株式会社 | 連続鋳造用鋳型の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06272012A (ja) * | 1993-03-19 | 1994-09-27 | Hirofumi Shimura | レーザ・プラズマハイブリッド溶射による高機能性被膜の作製方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000119835A (ja) | 1998-10-13 | 2000-04-25 | Agency Of Ind Science & Technol | 耐エロージョン性の優れた被膜の形成方法 |
JP2018192530A (ja) | 2015-08-18 | 2018-12-06 | Jfeスチール株式会社 | 連続鋳造用鋳型及び鋼の連続鋳造方法 |
WO2021079971A1 (ja) | 2019-10-24 | 2021-04-29 | Jfeスチール株式会社 | 連続鋳造用鋳型の製造方法 |
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