GB391933A - Improvements in and relating to metal compositions - Google Patents
Improvements in and relating to metal compositionsInfo
- Publication number
- GB391933A GB391933A GB4100/32A GB410032A GB391933A GB 391933 A GB391933 A GB 391933A GB 4100/32 A GB4100/32 A GB 4100/32A GB 410032 A GB410032 A GB 410032A GB 391933 A GB391933 A GB 391933A
- Authority
- GB
- United Kingdom
- Prior art keywords
- binder material
- carbide
- niobium
- ball mill
- graphite tube
- 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
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Niobium carbide is prepared by mixing niobium and carbon, e.g gas coke, in a ball mill and firing at 1550-1600 DEG C. in a closed graphite tube in a hydrogen furnace as described in Specification 319,698, [Class 1 (ii), Inorganic compounds, other than &c.].ALSO:A sintered metal composition consists of niobium carbide and a binder material of lower melting point than the carbide, such binder material comprising one or more metals of the iron group and the niobium carbide being in excess of the binder material. The binder material may comprise iron, nickel or cobalt, separately or together, and may also comprise a sixth group metal such as tungsten or molybdenum. Niobium and carbon, e.g. gas coke, are mixed in a ball mill and then fired at 1550-1600 DEG C. in a closed graphite tube in a hydrogen furnace as described in Specification 319,698, [Class 1 (ii), Inorganic compounds, other than &c.]. The carbide is then milled, mixed with the powdered binder material and ground in a ball mill. The mixture is subjected to pressure and sintered at 1300-1600 DEG C. in a closed graphite tube in a hydrogen furnace. Specification 389,564 also is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US391933XA | 1931-02-14 | 1931-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB391933A true GB391933A (en) | 1933-05-11 |
Family
ID=21904163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4100/32A Expired GB391933A (en) | 1931-02-14 | 1932-02-11 | Improvements in and relating to metal compositions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB391933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139394A (en) * | 2019-12-24 | 2020-05-12 | 中钢集团邢台机械轧辊有限公司 | Preparation method of high-performance rough rolling working roll |
-
1932
- 1932-02-11 GB GB4100/32A patent/GB391933A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139394A (en) * | 2019-12-24 | 2020-05-12 | 中钢集团邢台机械轧辊有限公司 | Preparation method of high-performance rough rolling working roll |
| CN111139394B (en) * | 2019-12-24 | 2022-01-11 | 中钢集团邢台机械轧辊有限公司 | Preparation method of high-performance rough rolling working roll |
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