JPH0225433B2 - - Google Patents
Info
- Publication number
- JPH0225433B2 JPH0225433B2 JP29329785A JP29329785A JPH0225433B2 JP H0225433 B2 JPH0225433 B2 JP H0225433B2 JP 29329785 A JP29329785 A JP 29329785A JP 29329785 A JP29329785 A JP 29329785A JP H0225433 B2 JPH0225433 B2 JP H0225433B2
- Authority
- JP
- Japan
- Prior art keywords
- mgo
- magnesium
- weight
- compounds
- film
- 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.)
- Expired
Links
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 122
- 239000000395 magnesium oxide Substances 0.000 claims description 60
- 238000000137 annealing Methods 0.000 claims description 33
- 238000006703 hydration reaction Methods 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 18
- 230000036571 hydration Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 10
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims description 9
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 6
- 239000001095 magnesium carbonate Substances 0.000 claims description 6
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000011521 glass Substances 0.000 description 26
- 239000010410 layer Substances 0.000 description 17
- 238000001994 activation Methods 0.000 description 16
- 230000004913 activation Effects 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000005755 formation reaction Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000005261 decarburization Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009257 reactivity Effects 0.000 description 7
- 229910019440 Mg(OH) Inorganic materials 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 229910052839 forsterite Inorganic materials 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29329785A JPS62156227A (ja) | 1985-12-27 | 1985-12-27 | 皮膜特性及び磁気特性の優れた方向性電磁鋼板用焼鈍分離剤 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29329785A JPS62156227A (ja) | 1985-12-27 | 1985-12-27 | 皮膜特性及び磁気特性の優れた方向性電磁鋼板用焼鈍分離剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156227A JPS62156227A (ja) | 1987-07-11 |
| JPH0225433B2 true JPH0225433B2 (no) | 1990-06-04 |
Family
ID=17793006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29329785A Granted JPS62156227A (ja) | 1985-12-27 | 1985-12-27 | 皮膜特性及び磁気特性の優れた方向性電磁鋼板用焼鈍分離剤 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156227A (no) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088244A (ja) * | 1996-09-12 | 1998-04-07 | Kawasaki Steel Corp | 方向性電磁鋼板製造時における焼鈍分離剤用のＭｇＯ |
| JP2005171387A (ja) * | 2004-12-22 | 2005-06-30 | Jfe Steel Kk | 焼鈍分離剤用のＭｇＯの製造方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2648205B2 (ja) * | 1989-04-07 | 1997-08-27 | 新日本製鐵株式会社 | 均一なグラス皮膜を有し、磁気特性の優れた方向性電磁鋼板の製造方法 |
| JP4122448B2 (ja) * | 2002-11-28 | 2008-07-23 | タテホ化学工業株式会社 | 焼鈍分離剤用酸化マグネシウム |
| JP4893259B2 (ja) * | 2006-11-21 | 2012-03-07 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板用焼鈍分離剤の塗布方法および方向性電磁鋼板の製造方法 |
| JP6939766B2 (ja) | 2018-12-27 | 2021-09-22 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板用焼鈍分離剤および方向性電磁鋼板の製造方法 |
| JP6939767B2 (ja) | 2018-12-27 | 2021-09-22 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板用焼鈍分離剤および方向性電磁鋼板の製造方法 |
-
1985
- 1985-12-27 JP JP29329785A patent/JPS62156227A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088244A (ja) * | 1996-09-12 | 1998-04-07 | Kawasaki Steel Corp | 方向性電磁鋼板製造時における焼鈍分離剤用のＭｇＯ |
| JP2005171387A (ja) * | 2004-12-22 | 2005-06-30 | Jfe Steel Kk | 焼鈍分離剤用のＭｇＯの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62156227A (ja) | 1987-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |