FR1601282A - Acid chemical milling of al or mg base - alloy castings - Google Patents
Acid chemical milling of al or mg base - alloy castingsInfo
- Publication number
- FR1601282A FR1601282A FR1601282DA FR1601282A FR 1601282 A FR1601282 A FR 1601282A FR 1601282D A FR1601282D A FR 1601282DA FR 1601282 A FR1601282 A FR 1601282A
- Authority
- FR
- France
- Prior art keywords
- base
- acid chemical
- chemical milling
- alloy castings
- milling
- 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
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/20—Acidic compositions for etching aluminium or alloys thereof
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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The milling solution comprises an aqueous acid soln. containing HCl (e.g. 70-80 g/l HCl (d=1.16)). HF (e.g. 40-50 g/l 50% HF) and a copper sulphate (e.g. equivalent to at least 50 g/l CuSO4.5H2O). The solution may be used at 25-30 degrees C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5107668 | 1968-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1601282A true FR1601282A (en) | 1970-08-10 |
Family
ID=11274340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1601282D Expired FR1601282A (en) | 1968-03-27 | 1968-12-26 | Acid chemical milling of al or mg base - alloy castings |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1915405A1 (en) |
| FR (1) | FR1601282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318341A (en) * | 2021-12-16 | 2022-04-12 | 东风汽车集团股份有限公司 | Aluminum alloy metallographic corrosion method and metallographic corrosion agent thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371035A (en) * | 1971-09-21 | 1974-10-23 | Rolls Royce | Method of etching aluminium alloys |
| DE3208124A1 (en) * | 1981-08-17 | 1983-09-08 | Elget Ing.-Büro für grafische und elektronische Technik, 8501 Oberasbach | STRIPPER |
-
1968
- 1968-12-26 FR FR1601282D patent/FR1601282A/en not_active Expired
-
1969
- 1969-03-26 DE DE19691915405 patent/DE1915405A1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318341A (en) * | 2021-12-16 | 2022-04-12 | 东风汽车集团股份有限公司 | Aluminum alloy metallographic corrosion method and metallographic corrosion agent thereof |
| CN114318341B (en) * | 2021-12-16 | 2023-09-05 | 东风汽车集团股份有限公司 | Metallographic etching method for aluminum alloy and metallographic etchant thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1915405A1 (en) | 1969-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |