FR2388891A1 - Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenum - Google Patents
Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenumInfo
- Publication number
- FR2388891A1 FR2388891A1 FR7712586A FR7712586A FR2388891A1 FR 2388891 A1 FR2388891 A1 FR 2388891A1 FR 7712586 A FR7712586 A FR 7712586A FR 7712586 A FR7712586 A FR 7712586A FR 2388891 A1 FR2388891 A1 FR 2388891A1
- Authority
- FR
- France
- Prior art keywords
- compsn
- fused
- metal carbide
- subcarbide
- molybdenum
- 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.)
- Granted
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
- B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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)
- Nonmetallic Welding Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
A metal carbide has compsn. (MoxWx'Crx")Cz where in mole fractions x >=0.2, x' is 0-0.8, x" is 0-0.18 when x 0.8 and is 0 when x is >0.8 and z is 0.6-0.73. The compsn. is a two phase mixt. of M2C and MC solid solns., M representing the metal, the average spacing between the M2C, and MC grains being 4 mu. The two phase mixt. is formed by solid state decomposition of eta M3C2 or alpha MCl-x conclude solid solns. Used as wear resistant facings instead of fused WC-W2C for earth moving, oil chilling and mining applications. They can also be bonded with low melting metals. Also used as welding electrodes combined with Fe, Ni or Co based alloys. The fine grained compsn. has a hardness and abrasion resistance equal to or superior to WC-W2C, and can be produced more easily to a consistent hardness and quality.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712586A FR2388891A1 (en) | 1977-04-26 | 1977-04-26 | Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712586A FR2388891A1 (en) | 1977-04-26 | 1977-04-26 | Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenum |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2388891A1 true FR2388891A1 (en) | 1978-11-24 |
FR2388891B1 FR2388891B1 (en) | 1983-10-21 |
Family
ID=9189933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712586A Granted FR2388891A1 (en) | 1977-04-26 | 1977-04-26 | Refractory metal carbide compsn. for hard facing - comprising fused two phase mix of mono and subcarbide of tungsten and molybdenum |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2388891A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE751608C (en) * | 1938-03-25 | 1952-11-24 | Fried Krupp A G | Use of sintered hard metal alloys |
FR1046417A (en) * | 1951-12-14 | 1953-12-07 | Sandvikens Jernverks Ab | Improvements to hard metal bodies forming eyelets for percussion rock drill bits |
FR2312571A1 (en) * | 1975-05-29 | 1976-12-24 | Teledyne Ind | COMPOSITION BASED ON FRITTED METAL CARBIDES AND ITS PREPARATION PROCESS |
-
1977
- 1977-04-26 FR FR7712586A patent/FR2388891A1/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE751608C (en) * | 1938-03-25 | 1952-11-24 | Fried Krupp A G | Use of sintered hard metal alloys |
FR1046417A (en) * | 1951-12-14 | 1953-12-07 | Sandvikens Jernverks Ab | Improvements to hard metal bodies forming eyelets for percussion rock drill bits |
FR2312571A1 (en) * | 1975-05-29 | 1976-12-24 | Teledyne Ind | COMPOSITION BASED ON FRITTED METAL CARBIDES AND ITS PREPARATION PROCESS |
Also Published As
Publication number | Publication date |
---|---|
FR2388891B1 (en) | 1983-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |