GB916823A - Improvements in grain oriented sheet metal - Google Patents
Improvements in grain oriented sheet metalInfo
- Publication number
- GB916823A GB916823A GB2512859A GB2512859A GB916823A GB 916823 A GB916823 A GB 916823A GB 2512859 A GB2512859 A GB 2512859A GB 2512859 A GB2512859 A GB 2512859A GB 916823 A GB916823 A GB 916823A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- ingot
- annealing
- sheet metal
- rolling
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
A polycrystalline sheet material having the grains predominantly oriented in the (110) [001] direction consists of (by weight) Si 1.5-4%, V up to 0.15%, Fe and impurities the balance. The material is prepared by (1) forming an ingot of the alloy in which the N2 incidentally present combines with some of the V to form VN, (2) hot-rolling the ingot to form sheet less than 150 mils. in thickness, (3) cold-rolling the sheet with at least 40% reduction in thickness, (4) annealing the cold-worked sheet in a nitrogen-rich atmosphere (e.g. two-thirds N2 and one-third H2) to form additional VN dispersion and develop the required grain orientation, and (5) re-annealing the sheet at 1050 DEG C. or more for a short time to decompose the VN and remove N2 from the material. Step (4) may consist in heating rapidly to 1000 DEG C. and then heating to 1100 DEG C. at 7 DEG C. per minute.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75318258A | 1958-08-06 | 1958-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB916823A true GB916823A (en) | 1963-01-30 |
Family
ID=25029521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2512859A Expired GB916823A (en) | 1958-08-05 | 1959-07-22 | Improvements in grain oriented sheet metal |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE581309A (en) |
| GB (1) | GB916823A (en) |
-
1959
- 1959-07-22 GB GB2512859A patent/GB916823A/en not_active Expired
- 1959-08-03 BE BE581309A patent/BE581309A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE581309A (en) | 1959-12-01 |
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