GB471966A - Tool elements and hard alloys therefor - Google Patents
Tool elements and hard alloys thereforInfo
- Publication number
- GB471966A GB471966A GB989/36A GB98936A GB471966A GB 471966 A GB471966 A GB 471966A GB 989/36 A GB989/36 A GB 989/36A GB 98936 A GB98936 A GB 98936A GB 471966 A GB471966 A GB 471966A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- tool elements
- alloy
- carbides
- carbon
- 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
- C22C29/08—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 based on tungsten carbide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Powder Metallurgy (AREA)
Abstract
In tool elements comprising a working edge of hard alloy welded on a supporting body or shank, the hard alloy consists of 50-70 per cent of tungsten or molybdenum or both, 2-6 per cent of carbon, 5-15 per cent of chromium, and more than 20 per cent of iron group metal, with or without up to a total of 6 per cent of titanium, zirconium, silicon, and boron, which may be added as such or as carbides. The melting point of the alloy may approach that of the supporting body within 100-300 DEG C. The alloy may be made by consolidating the constituents either by means of a binder or pressure or both and heating the product between low and high sintering temperatures. In some cases a mixture of the metals may be heated in a graphite crucible, the carbon to form the carbides being obtained from the crucible.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE471966X | 1935-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB471966A true GB471966A (en) | 1937-09-13 |
Family
ID=6541346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB989/36A Expired GB471966A (en) | 1935-01-12 | 1936-01-11 | Tool elements and hard alloys therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB471966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2479267A1 (en) * | 1980-04-01 | 1981-10-02 | Kernforschungsz Karlsruhe | FRITTE CARBIDE FREE OF TUNGSTEN CARBIDE RESISTANT TO WEAR |
-
1936
- 1936-01-11 GB GB989/36A patent/GB471966A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2479267A1 (en) * | 1980-04-01 | 1981-10-02 | Kernforschungsz Karlsruhe | FRITTE CARBIDE FREE OF TUNGSTEN CARBIDE RESISTANT TO WEAR |
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