FR831310A - Perfectionnement aux alliages durs à base de carbure de tungstène - Google Patents
Perfectionnement aux alliages durs à base de carbure de tungstèneInfo
- Publication number
- FR831310A FR831310A FR831310DA FR831310A FR 831310 A FR831310 A FR 831310A FR 831310D A FR831310D A FR 831310DA FR 831310 A FR831310 A FR 831310A
- Authority
- FR
- France
- Prior art keywords
- improvement
- tungsten carbide
- alloys based
- hard alloys
- hard
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
- C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
- C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831310T | 1937-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR831310A true FR831310A (fr) | 1938-08-30 |
Family
ID=9291512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR831310D Expired FR831310A (fr) | 1937-04-02 | 1937-04-02 | Perfectionnement aux alliages durs à base de carbure de tungstène |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR831310A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578589A (en) * | 1948-10-21 | 1951-12-11 | Pawelski Adam | Magnifying loupe with reflector |
-
1937
- 1937-04-02 FR FR831310D patent/FR831310A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578589A (en) * | 1948-10-21 | 1951-12-11 | Pawelski Adam | Magnifying loupe with reflector |
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