JPH0471013B2 - - Google Patents

Info

Publication number

JPH0471013B2

JPH0471013B2 JP60062907A JP6290785A JPH0471013B2 JP H0471013 B2 JPH0471013 B2 JP H0471013B2 JP 60062907 A JP60062907 A JP 60062907A JP 6290785 A JP6290785 A JP 6290785A JP H0471013 B2 JPH0471013 B2 JP H0471013B2

Authority

JP

Japan

Prior art keywords

plate

particles

shaped

ferrite

powder

Prior art date

1985-03-26

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 - Lifetime

Links

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• 239000002245 particle Substances 0.000 claims description 93
• 229910000859 α-Fe Inorganic materials 0.000 claims description 37
• 239000000843 powder Substances 0.000 claims description 34
• PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 24
• 235000011187 glycerol Nutrition 0.000 claims description 12
• 238000004519 manufacturing process Methods 0.000 claims description 10
• 239000000725 suspension Substances 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 8
• 229910001422 barium ion Inorganic materials 0.000 claims description 6
• 230000005294 ferromagnetic effect Effects 0.000 description 11
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
• 230000005415 magnetization Effects 0.000 description 10
• 239000000696 magnetic material Substances 0.000 description 9
• 238000000635 electron micrograph Methods 0.000 description 6
• 230000005291 magnetic effect Effects 0.000 description 6
• 239000004033 plastic Substances 0.000 description 6
• 230000000052 comparative effect Effects 0.000 description 5
• 230000000694 effects Effects 0.000 description 5
• 238000010335 hydrothermal treatment Methods 0.000 description 5
• 239000000203 mixture Substances 0.000 description 5
• 229910004298 SiO 2 Inorganic materials 0.000 description 4
• 239000007864 aqueous solution Substances 0.000 description 4
• 238000005260 corrosion Methods 0.000 description 4
• 238000010438 heat treatment Methods 0.000 description 4
• 230000005389 magnetism Effects 0.000 description 4
• 239000003973 paint Substances 0.000 description 4
• 239000002244 precipitate Substances 0.000 description 4
• 238000005245 sintering Methods 0.000 description 4
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 238000002441 X-ray diffraction Methods 0.000 description 3
• 238000000576 coating method Methods 0.000 description 3
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
• 238000000465 moulding Methods 0.000 description 3
• 239000000049 pigment Substances 0.000 description 3
• 239000000047 product Substances 0.000 description 3
• 239000004115 Sodium Silicate Substances 0.000 description 2
• IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
• 239000011248 coating agent Substances 0.000 description 2
• 238000001493 electron microscopy Methods 0.000 description 2
• 238000004898 kneading Methods 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
• 229910052911 sodium silicate Inorganic materials 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 238000004438 BET method Methods 0.000 description 1
• BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
• WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
• 229910001626 barium chloride Inorganic materials 0.000 description 1
• RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
• 229910001863 barium hydroxide Inorganic materials 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000010419 fine particle Substances 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 150000002500 ions Chemical class 0.000 description 1
• FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
• MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000010907 mechanical stirring Methods 0.000 description 1
• 239000007769 metal material Substances 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1