GB2176809A - Process for applying hard coatings and the like to metals and resulting product - Google Patents
Process for applying hard coatings and the like to metals and resulting productInfo
- Publication number
- GB2176809A GB2176809A GB08613492A GB8613492A GB2176809A GB 2176809 A GB2176809 A GB 2176809A GB 08613492 A GB08613492 A GB 08613492A GB 8613492 A GB8613492 A GB 8613492A GB 2176809 A GB2176809 A GB 2176809A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substrate
- metals
- coating
- metal
- alloy
- 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.)
- Granted
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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemical Vapour Deposition (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Hard coatings are applied to substrate metals by coating the metal surface, e.g. by dipping the substrate metal in a molten alloy of the coating metals, and then exposing the coating at an elevated temperature to an atmosphere containing a reactive gaseous species which forms a nitride, a carbide, a boride or a silicide. The coating material is a mixture of the metals M1 and M2 of which M1 forms a stable nitride, carbide, boride or silicide under the prevailing conditions and of which M2 does not form a stable nitride, carbide, boride or silicide. M2 serves to bond the nitride, etc. of M1 to the substrate metal. Mixtures of M1 and/or M2 metals may be employed. This method is much easier to carry out than prior methods. Figure 1 shows a substrate alloy (10) with a laminar coating (11). Laminar coating (11) consists of intermediate metallic layer (12) and outer M1Xn layer (13). Figure 1A shows the substrate alloy (10), the outer M1Xn layer (13), a diffusion zone (D), and an intermediate zone (I). The diffusion zone (D) may be an alloy of one or more substrate metals and the metal M2 or it may be an interdiffusion layer resulting from diffusion of substrate metal outwardly away from the substrate (10) and of the metal M2 inwardly into the substrate. The intermediate zone (I) may be a cermet formed as a composite of M1Xn and M2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66225284A | 1984-10-17 | 1984-10-17 | |
| PCT/US1985/002031 WO1986002385A1 (en) | 1984-10-17 | 1985-10-16 | Process for applying hard coatings and the like to metals and resulting product |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8613492D0 GB8613492D0 (en) | 1986-07-09 |
| GB2176809A true GB2176809A (en) | 1987-01-07 |
| GB2176809B GB2176809B (en) | 1988-10-19 |
Family
ID=24657002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08613492A Expired GB2176809B (en) | 1984-10-17 | 1985-10-16 | Method of coating metal subtrates with hard protective carbide, nitrate, boride or silicide coatings |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0201531A4 (en) |
| JP (1) | JPS62500599A (en) |
| DE (1) | DE3590390T1 (en) |
| DK (1) | DK282186A (en) |
| GB (1) | GB2176809B (en) |
| SE (1) | SE8602616D0 (en) |
| WO (1) | WO1986002385A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213638A (en) * | 1990-07-27 | 1993-05-25 | Olin Corporation | Surface modified copper alloys |
| CH687880A5 (en) * | 1993-05-27 | 1997-03-14 | Balzers Hochvakuum | A process for the increase of the wear resistance of workpiece surfaces and for this behandetes workpiece. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1086708A (en) * | 1966-02-01 | 1967-10-11 | Gen Electric Co Ltd | Improvements in or relating to metal bodies and their manufacture |
| GB1396898A (en) * | 1972-11-10 | 1975-06-11 | Toyo Kogyo Co | Method for making ferrous metal having highly improved resistances to corrosion at elevated temperatures and to oxidization |
| GB1439947A (en) * | 1972-05-30 | 1976-06-16 | Union Carbide Corp | Corrosion resistant coatings and process for making the same |
| GB2110721A (en) * | 1981-11-27 | 1983-06-22 | Stanford Res Inst Int | Process for applying thermal barrier coatings to metals and resulting product |
-
1985
- 1985-10-16 GB GB08613492A patent/GB2176809B/en not_active Expired
- 1985-10-16 WO PCT/US1985/002031 patent/WO1986002385A1/en not_active Application Discontinuation
- 1985-10-16 JP JP50470585A patent/JPS62500599A/en active Pending
- 1985-10-16 DE DE19853590390 patent/DE3590390T1/en not_active Withdrawn
- 1985-10-16 EP EP19850905364 patent/EP0201531A4/en not_active Withdrawn
-
1986
- 1986-06-11 SE SE8602616A patent/SE8602616D0/en unknown
- 1986-06-16 DK DK282186A patent/DK282186A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1086708A (en) * | 1966-02-01 | 1967-10-11 | Gen Electric Co Ltd | Improvements in or relating to metal bodies and their manufacture |
| GB1439947A (en) * | 1972-05-30 | 1976-06-16 | Union Carbide Corp | Corrosion resistant coatings and process for making the same |
| GB1396898A (en) * | 1972-11-10 | 1975-06-11 | Toyo Kogyo Co | Method for making ferrous metal having highly improved resistances to corrosion at elevated temperatures and to oxidization |
| GB2110721A (en) * | 1981-11-27 | 1983-06-22 | Stanford Res Inst Int | Process for applying thermal barrier coatings to metals and resulting product |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8613492D0 (en) | 1986-07-09 |
| DK282186D0 (en) | 1986-06-16 |
| SE8602616L (en) | 1986-06-11 |
| GB2176809B (en) | 1988-10-19 |
| JPS62500599A (en) | 1987-03-12 |
| DK282186A (en) | 1986-06-16 |
| WO1986002385A1 (en) | 1986-04-24 |
| EP0201531A4 (en) | 1988-11-22 |
| EP0201531A1 (en) | 1986-11-20 |
| DE3590390T1 (en) | 1986-08-28 |
| SE8602616D0 (en) | 1986-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |