GB754190A - Improvements relating to the surface finishing of titanium and alloys thereof - Google Patents
Improvements relating to the surface finishing of titanium and alloys thereofInfo
- Publication number
- GB754190A GB754190A GB31957/54A GB3195754A GB754190A GB 754190 A GB754190 A GB 754190A GB 31957/54 A GB31957/54 A GB 31957/54A GB 3195754 A GB3195754 A GB 3195754A GB 754190 A GB754190 A GB 754190A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- alloys
- parts
- titanium
- surface finishing
- 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
-
- 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
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Abstract
In a method of chemically polishing and brightening Ti and Ti-base alloys the metal is immersed in a mixture consisting of, by volume, 2-3 parts HNO3, 2-3 parts H2SO4 and 1-2 parts HF. Particularly useful is a mixture consisting of, by volume, 30-60 per cent, preferably 40 per cent, HNO3, 10-50 per cent, preferably 30 per cent, H2SO4, 20-45 per cent, preferably 30 per cent., HF and preferably no water although it may be added in an amount up to 30 per cent. The strengths of the acids used are respectively, by weight, 70 per cent, 95,5 per cent and 48 per cent and the solutions are best used in the temperature range of room temperature to 90 DEG C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US754190XA | 1953-12-28 | 1953-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB754190A true GB754190A (en) | 1956-08-01 |
Family
ID=22125612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31957/54A Expired GB754190A (en) | 1953-12-28 | 1954-11-04 | Improvements relating to the surface finishing of titanium and alloys thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB754190A (en) |
-
1954
- 1954-11-04 GB GB31957/54A patent/GB754190A/en not_active Expired
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