IT1059866B - Polvere metallica protetta control'ossidazione e procedimento per la sua preparazione - Google Patents
Polvere metallica protetta control'ossidazione e procedimento per la sua preparazioneInfo
- Publication number
- IT1059866B IT1059866B IT70171/75A IT7017175A IT1059866B IT 1059866 B IT1059866 B IT 1059866B IT 70171/75 A IT70171/75 A IT 70171/75A IT 7017175 A IT7017175 A IT 7017175A IT 1059866 B IT1059866 B IT 1059866B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- metallic powder
- oxidation control
- powder protected
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/147—Nitrogen-containing compounds containing a nitrogen-to-oxygen bond
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/145—Amides; N-substituted amides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/16—Sulfur-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/16—Sulfur-containing compounds
- C23F11/162—Thioaldehydes; Thioketones
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/061—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a protective layer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Paints Or Removers (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Record Carriers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/536,377 US3964939A (en) | 1974-12-26 | 1974-12-26 | Bodies including passivated metal particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1059866B true IT1059866B (it) | 1982-06-21 |
Family
ID=24138239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT70171/75A IT1059866B (it) | 1974-12-26 | 1975-12-22 | Polvere metallica protetta control'ossidazione e procedimento per la sua preparazione |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3964939A (it) |
| JP (1) | JPS5635721B2 (it) |
| AU (1) | AU503481B2 (it) |
| BR (1) | BR7508472A (it) |
| CA (1) | CA1065696A (it) |
| CH (1) | CH602933A5 (it) |
| DE (1) | DE2558036C3 (it) |
| DK (1) | DK157222C (it) |
| ES (1) | ES443874A1 (it) |
| FR (1) | FR2295997A1 (it) |
| GB (1) | GB1532970A (it) |
| IT (1) | IT1059866B (it) |
| NL (1) | NL166571C (it) |
| SE (1) | SE431564B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS604565B2 (ja) * | 1974-11-21 | 1985-02-05 | 富士写真フイルム株式会社 | 耐食性強磁性金属粉末 |
| JPS54121268A (en) * | 1978-03-14 | 1979-09-20 | Tdk Corp | Manufacture of ferromagnetic metal powder |
| JPS54121269A (en) * | 1978-03-14 | 1979-09-20 | Tdk Corp | Manufacture of ferromagnetic metal powder |
| DE3330767A1 (de) * | 1983-08-26 | 1985-03-14 | Bayer Ag, 5090 Leverkusen | Handhabungsstabile im wesentlichen aus eisen bestehende magnetpigmente, verfahren zu ihrer herstellung sowie ihre verwendung |
| JPS6139508A (ja) * | 1984-07-31 | 1986-02-25 | Tdk Corp | 金属磁性粉末 |
| JPS61201702A (ja) * | 1985-03-01 | 1986-09-06 | Toyo Soda Mfg Co Ltd | 強磁性鉄粉末およびその製造法 |
| US5087302A (en) * | 1989-05-15 | 1992-02-11 | Industrial Technology Research Institute | Process for producing rare earth magnet |
| US5272223A (en) * | 1991-04-03 | 1993-12-21 | Asahi Kasei Metals Limited | Composite metal powder composition and method of manufacturing same |
| WO2010124245A2 (en) | 2009-04-23 | 2010-10-28 | University Of Utah Research Foundation | Functionally coated non-oxidized particles and methods for making the same |
| US9421732B2 (en) * | 2009-04-23 | 2016-08-23 | University Of Utah Research Foundation | Functionally coated non-oxidized particles and methods for making the same |
| CN114477988B (zh) * | 2022-03-28 | 2023-03-24 | 天通控股股份有限公司 | 一种易成型、高强度铁氧体材料及其制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1982689A (en) * | 1931-03-16 | 1934-12-04 | Johnson Lab Inc | Magnetic core material |
| US2158132A (en) * | 1938-02-17 | 1939-05-16 | Bell Telephone Labor Inc | Magnet body and process of making the same |
| US2602779A (en) * | 1947-09-11 | 1952-07-08 | Cities Service Oil Co | Method of inhibiting hydrogen sulfide corrosion of metals |
| US3300329A (en) * | 1960-09-26 | 1967-01-24 | Nat Lead Co | Metal-polyolefin compositions and process for making same |
| US3120698A (en) * | 1960-09-15 | 1964-02-11 | Ferro Corp | Powdered metal compositions and method |
| US3228882A (en) * | 1963-01-04 | 1966-01-11 | Chevron Res | Dispersions of ferromagnetic cobalt particles |
| GB1031503A (en) * | 1962-08-18 | 1966-06-02 | Imp Metal Ind Kynoch Ltd | The inhibition of corrosion of copper |
| US3228881A (en) * | 1963-01-04 | 1966-01-11 | Chevron Res | Dispersions of discrete particles of ferromagnetic metals |
| US3206338A (en) * | 1963-05-10 | 1965-09-14 | Du Pont | Non-pyrophoric, ferromagnetic acicular particles and their preparation |
| US3290252A (en) * | 1963-07-16 | 1966-12-06 | Chevron Res | Cobalt concentration from cobalt sol by extraction |
| US3556838A (en) * | 1966-11-01 | 1971-01-19 | Exxon Research Engineering Co | Process for coating active iron and the coated iron |
| US3661556A (en) * | 1969-03-03 | 1972-05-09 | Du Pont | Method of making ferromagnetic metal powders |
| DE2215301B2 (de) * | 1971-04-06 | 1976-07-08 | N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften |
-
1974
- 1974-12-26 US US05/536,377 patent/US3964939A/en not_active Expired - Lifetime
-
1975
- 1975-10-16 CA CA237,738A patent/CA1065696A/en not_active Expired
- 1975-12-10 SE SE7513932A patent/SE431564B/xx not_active IP Right Cessation
- 1975-12-18 FR FR7538932A patent/FR2295997A1/fr active Granted
- 1975-12-19 DK DK581575A patent/DK157222C/da not_active IP Right Cessation
- 1975-12-19 BR BR7508472*A patent/BR7508472A/pt unknown
- 1975-12-22 AU AU87779/75A patent/AU503481B2/en not_active Expired
- 1975-12-22 DE DE2558036A patent/DE2558036C3/de not_active Expired
- 1975-12-22 IT IT70171/75A patent/IT1059866B/it active
- 1975-12-22 GB GB52319/75A patent/GB1532970A/en not_active Expired
- 1975-12-23 CH CH1671975A patent/CH602933A5/xx not_active IP Right Cessation
- 1975-12-24 NL NL7515077.A patent/NL166571C/xx not_active IP Right Cessation
- 1975-12-24 JP JP15352475A patent/JPS5635721B2/ja not_active Expired
- 1975-12-26 ES ES443874A patent/ES443874A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1532970A (en) | 1978-11-22 |
| DK581575A (da) | 1976-06-27 |
| DK157222B (da) | 1989-11-20 |
| SE7513932L (sv) | 1976-06-28 |
| AU8777975A (en) | 1977-06-30 |
| CH602933A5 (it) | 1978-08-15 |
| JPS5635721B2 (it) | 1981-08-19 |
| NL166571C (nl) | 1981-08-17 |
| SE431564B (sv) | 1984-02-13 |
| DE2558036C3 (de) | 1979-09-20 |
| FR2295997B1 (it) | 1978-06-30 |
| DE2558036B2 (de) | 1979-02-01 |
| DE2558036A1 (de) | 1976-07-08 |
| CA1065696A (en) | 1979-11-06 |
| ES443874A1 (es) | 1977-05-01 |
| AU503481B2 (en) | 1979-09-06 |
| DK157222C (da) | 1990-04-23 |
| US3964939A (en) | 1976-06-22 |
| NL166571B (nl) | 1981-03-16 |
| BR7508472A (pt) | 1976-08-24 |
| FR2295997A1 (fr) | 1976-07-23 |
| JPS5193398A (it) | 1976-08-16 |
| NL7515077A (nl) | 1976-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931220 |