GB929700A - Oxidation-resistant alloys - Google Patents
Oxidation-resistant alloysInfo
- Publication number
- GB929700A GB929700A GB4605561A GB4605561A GB929700A GB 929700 A GB929700 A GB 929700A GB 4605561 A GB4605561 A GB 4605561A GB 4605561 A GB4605561 A GB 4605561A GB 929700 A GB929700 A GB 929700A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- alloy
- inch2
- sintering
- alternatively
- 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
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
A homogeneous composition for use in powder metallurgical production of an oxidation resistant alloy consists of (by weight): Al 15-70%, N 5-35%, Si 10-55%, B 0-45%, the Si and B together constituting at least 25%. The constituents may be present as Al, Si, Si3N4 or AlN. Alternatively, N or additional N may be introduced by sintering in N. B may be added as the free element, B4C, BN, B2O3 or H3BO3. The composition may be shaped by cold pressing at 5000-60,000 lb./inch2, by slip casting or by extrusion followed by sintering in air, vacuum or nitrogen at 900-1700 DEG C. Alternatively, the composition may be hot pressed at 900-1700 DEG C. and at least 1000 lb./inch2. The mechanical properties of the alloy are stated to be improved by prolonged heating in air. The resultant alloy may be used for parts necessarily resistant to high temperature, for electrical resistance elements, as shielding in nuclear reactors and for parts requiring high thermo-electric power.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7883060A | 1960-12-28 | 1960-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB929700A true GB929700A (en) | 1963-06-26 |
Family
ID=22146464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4605561A Expired GB929700A (en) | 1960-12-28 | 1961-12-22 | Oxidation-resistant alloys |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE612086A (en) |
| DE (1) | DE1243400B (en) |
| GB (1) | GB929700A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3236276A1 (en) * | 1982-09-30 | 1984-04-05 | Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen | NEW SILICON MATERIAL AND METHOD FOR THE PRODUCTION THEREOF |
-
1961
- 1961-12-22 GB GB4605561A patent/GB929700A/en not_active Expired
- 1961-12-27 DE DE1961P0028495 patent/DE1243400B/en active Pending
- 1961-12-28 BE BE612086A patent/BE612086A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE612086A (en) | 1962-06-28 |
| DE1243400B (en) | 1967-06-29 |
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