GB1391923A - Diffused-metal-coded product - Google Patents
Diffused-metal-coded productInfo
- Publication number
- GB1391923A GB1391923A GB2532172A GB2532172A GB1391923A GB 1391923 A GB1391923 A GB 1391923A GB 2532172 A GB2532172 A GB 2532172A GB 2532172 A GB2532172 A GB 2532172A GB 1391923 A GB1391923 A GB 1391923A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- substrate
- salt
- coated
- cation
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12778—Alternative base metals from diverse categories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electroplating Methods And Accessories (AREA)
- Chemically Coating (AREA)
- Chemical Treatment Of Metals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
1391923 Coding of steel substrates USS ENGS & CONSULTANTS Inc 30 May 1972 [1 June 1971] 25321/72 Heading C7F A steel substrate is non-deleteriously coded by contacting it with a solution or slurry of an oxalate, formate, citrate, acetate and/or malonate of Ni, Co, Mg, Zn, Cu, Pb and/or Cd to coat it with a film thick enough to give on thermal decomposition and subsequent diffusion, 0.5 to 20 mg of the cation per square foot of substrate, and heating the coated substrate above the decomposition temperature of said salt(s) to degrade the anion and diffuse the cation into the substrate surface. The steel may be precleaned electrolytically in alkaline solution; the salt may be applied by dipping, spraying, or brushing and decomposed at 1000F or more; the treated substrate may be cold reduced and/or coated with Sn, Cr or lacquer. The process is used by a manufacturer to introduce the above metals into steel in an amount detectable by X-ray fluorescence so that the origin of the steel can be traced, even after subsequent coating.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00149064A US3827903A (en) | 1971-06-01 | 1971-06-01 | Method of forming a diffused metal coded steel product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1391923A true GB1391923A (en) | 1975-04-23 |
Family
ID=22528651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2532172A Expired GB1391923A (en) | 1971-06-01 | 1972-05-30 | Diffused-metal-coded product |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3827903A (en) |
| AR (1) | AR193261A1 (en) |
| AU (1) | AU465711B2 (en) |
| BE (1) | BE784165A (en) |
| BR (1) | BR7203536D0 (en) |
| CA (1) | CA961712A (en) |
| DE (1) | DE2226544A1 (en) |
| ES (1) | ES403358A1 (en) |
| FR (1) | FR2141129A5 (en) |
| GB (1) | GB1391923A (en) |
| IT (1) | IT960650B (en) |
| NL (1) | NL7207446A (en) |
| TR (1) | TR17433A (en) |
| ZA (1) | ZA723535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962490A (en) * | 1974-01-24 | 1976-06-08 | Ferro Corporation | Preparation of nickel and chromium substrates for ceramic coating |
-
1971
- 1971-06-01 US US00149064A patent/US3827903A/en not_active Expired - Lifetime
-
1972
- 1972-05-23 ZA ZA723535A patent/ZA723535B/en unknown
- 1972-05-23 CA CA142,783A patent/CA961712A/en not_active Expired
- 1972-05-25 AU AU42705/72A patent/AU465711B2/en not_active Expired
- 1972-05-30 BE BE784165A patent/BE784165A/en unknown
- 1972-05-30 AR AR242254A patent/AR193261A1/en active
- 1972-05-30 GB GB2532172A patent/GB1391923A/en not_active Expired
- 1972-05-31 FR FR7219572A patent/FR2141129A5/fr not_active Expired
- 1972-05-31 BR BR003536/72A patent/BR7203536D0/en unknown
- 1972-05-31 IT IT25158/72A patent/IT960650B/en active
- 1972-05-31 DE DE19722226544 patent/DE2226544A1/en active Pending
- 1972-05-31 ES ES403358A patent/ES403358A1/en not_active Expired
- 1972-06-01 TR TR17433A patent/TR17433A/en unknown
- 1972-06-01 NL NL7207446A patent/NL7207446A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2141129A5 (en) | 1973-01-19 |
| DE2226544A1 (en) | 1972-12-28 |
| BR7203536D0 (en) | 1973-05-10 |
| CA961712A (en) | 1975-01-28 |
| BE784165A (en) | 1972-09-18 |
| AU465711B2 (en) | 1975-10-02 |
| IT960650B (en) | 1973-11-30 |
| TR17433A (en) | 1975-07-23 |
| AU4270572A (en) | 1973-11-29 |
| AR193261A1 (en) | 1973-04-11 |
| NL7207446A (en) | 1972-12-05 |
| US3827903A (en) | 1974-08-06 |
| ES403358A1 (en) | 1975-04-16 |
| ZA723535B (en) | 1973-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |