US20050129565A1 - Tungsten alloy high temperature tool materials - Google Patents
Tungsten alloy high temperature tool materials Download PDFInfo
- Publication number
- US20050129565A1 US20050129565A1 US10/735,974 US73597403A US2005129565A1 US 20050129565 A1 US20050129565 A1 US 20050129565A1 US 73597403 A US73597403 A US 73597403A US 2005129565 A1 US2005129565 A1 US 2005129565A1
- Authority
- US
- United States
- Prior art keywords
- hafnium
- tungsten alloy
- carbide
- nitride
- tool
- 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.)
- Abandoned
Links
- 229910001080 W alloy Inorganic materials 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 title claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 9
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 239000010937 tungsten Substances 0.000 claims abstract description 7
- 239000002344 surface layer Substances 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- -1 hafnium nitride Chemical class 0.000 claims description 5
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 229910052580 B4C Inorganic materials 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- 229910026551 ZrC Inorganic materials 0.000 claims description 3
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 3
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 3
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 3
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 3
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910003468 tantalcarbide Inorganic materials 0.000 claims description 3
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 3
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
Definitions
- the present invention relates to tungsten-based alloy tool materials, and more particularly to tungsten-based alloy tool materials that contain rhenium, hafnium, and carbon.
- objects of the present invention include: provision of a tungsten alloy tool material that can withstand application temperatures above 800° C. Further and other objects of the present invention will become apparent from the description contained herein.
- a tool made from an alloy that includes, in weight %, 3% to 27% rhenium, 0.03% to 3% hafnium, and 0.002% to 0.2% carbon, balance tungsten.
- FIG. 1 is a low-magnification photomicrograph showing the microstructure of an extruded tool blank made from tungsten alloy W-26% Re-0.28% Hf-0.02% C.
- FIG. 2 is a high-magnification photomicrograph showing the microstructure of an extruded tool blank made from tungsten alloy W-26% Re-0.28% Hf-0.02% C.
- Tungsten alloy tools of the present invention combine excellent high temperature wear resistance with good toughness.
- the toughness is believed to be improved by the additions of rhenium and the hafnium carbide is believed to add wear resistance and hot hardness.
- a tool is defined as at least one of: an instrument used or worked by hand or by machine; an implement for cutting, shaping, welding, drilling, scraping, and/or otherwise modifying a work-piece; and a cutting, shaping, welding, drilling, scraping, and/or otherwise modifying part associated with a machine.
- tools include, but are not limited to: friction stir weld tools, drill bits, milling cutters, shear blades, tool bits, piercing punches, hot tube draw mandrels, wire and tube draw dies, extrusion dies, mill rolls, flow forming tools, and blanking punches and dies.
- a tungsten alloy of nominal composition W-26% Re-0.28% Hf-0.02% C was produced by consumable vacuum arc melting of an electrode consisting of tungsten bar, electron-beam melted rhenium slugs, hafnium wire and carbon yarn. An ingot of 75-mm diameter was formed, then hot extruded with a preheat temperature of 2000° C. to bar of 37 mm diameter. The extruded bar was machined to produce a tool for use in friction stir welding. The tool was used to friction stir a length of 50 cm of stainless steel plate. The wear of the tool during the weld processing was less than 25 micrometers.
- the material may also be used as a surface layer on a lower cost tool substrate material to provide the benefits of the present invention while providing a lower cost tool than one made entirely of tungsten alloy.
- the tungsten alloys described above can be used as surface layers on various other materials, for example, metals, alloys, cermets, and ceramics.
- the tungsten alloy surface layer can be applied by plasma spray, high-intensity infrared fusion, etc.
- buffer materials can be used, and/or graded structures can be used.
- Such uses can lower the overall cost of component fabrication because less expensive materials can be used as substrates, with the tungsten alloys as surface layers (including all forms thereof, such as coatings, laminates, for example) thereon to gain the benefit thereof at the point of exposure to oxidizers, corrosives, high wear, etc. at high temperatures.
- a tungsten alloy is prepared as described in Example I and coated onto an extrusion die by a conventional plasma spray method to form a tungsten alloy coated extrusion die.
- a tungsten alloy tool may have a surface layer of another material thereon.
- Suitable surface layer materials include those that are harder and/or more wear resistant than the tungsten alloys.
- suitable surface layer materials include but are not limited to, alone or in any combination: boron carbide, hafnium carbide, titanium carbide, niobium carbide, tantalum carbide, zirconium carbide, boron nitride, hafnium nitride, titanium nitride, niobium nitride, tantalum nitride, zirconium nitride, aluminum oxide, and hafnium oxide.
- a tool having a tungsten alloy surface layer may have a further surface layer of another material thereon (as described hereinabove), with the tungsten alloy serving as an intermediate layer.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Powder Metallurgy (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
A tungsten alloy tool includes, in weight %, 3% to 27% rhenium, 0.03% to 3% hafnium, and 0.002% to 0.2% carbon, balance tungsten.
Description
- The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.
- The present invention relates to tungsten-based alloy tool materials, and more particularly to tungsten-based alloy tool materials that contain rhenium, hafnium, and carbon.
- Currently available tooling materials, for example, rotary parts and friction stir welding tools for joining ferrous and high-temperature materials, do not generally provide to a sufficient degree the combination of wear resistance and toughness that is necessary for applications at temperatures above 800° C. Most known metallic tool materials have insufficient high-temperature hardness, and tend to deform under stress, strain and/or wear at high temperatures. Moreover, most known ceramic tool materials have insufficient toughness for many applications, and tend to crack or fracture under stress and/or strain.
- Accordingly, objects of the present invention include: provision of a tungsten alloy tool material that can withstand application temperatures above 800° C. Further and other objects of the present invention will become apparent from the description contained herein.
- In accordance with one aspect of the present invention, the foregoing and other objects are achieved by a tool made from an alloy that includes, in weight %, 3% to 27% rhenium, 0.03% to 3% hafnium, and 0.002% to 0.2% carbon, balance tungsten.
-
FIG. 1 is a low-magnification photomicrograph showing the microstructure of an extruded tool blank made from tungsten alloy W-26% Re-0.28% Hf-0.02% C. -
FIG. 2 is a high-magnification photomicrograph showing the microstructure of an extruded tool blank made from tungsten alloy W-26% Re-0.28% Hf-0.02% C. - For a better understanding of the present invention, together with other and further objects, advantages and capabilities thereof, reference is made to the following disclosure and appended claims in connection with the above-described drawings.
- Tungsten alloy tools of the present invention combine excellent high temperature wear resistance with good toughness. The toughness is believed to be improved by the additions of rhenium and the hafnium carbide is believed to add wear resistance and hot hardness.
- A tool, as is relevant to the present invention, is defined as at least one of: an instrument used or worked by hand or by machine; an implement for cutting, shaping, welding, drilling, scraping, and/or otherwise modifying a work-piece; and a cutting, shaping, welding, drilling, scraping, and/or otherwise modifying part associated with a machine. Examples of tools include, but are not limited to: friction stir weld tools, drill bits, milling cutters, shear blades, tool bits, piercing punches, hot tube draw mandrels, wire and tube draw dies, extrusion dies, mill rolls, flow forming tools, and blanking punches and dies.
- A tungsten alloy of nominal composition W-26% Re-0.28% Hf-0.02% C was produced by consumable vacuum arc melting of an electrode consisting of tungsten bar, electron-beam melted rhenium slugs, hafnium wire and carbon yarn. An ingot of 75-mm diameter was formed, then hot extruded with a preheat temperature of 2000° C. to bar of 37 mm diameter. The extruded bar was machined to produce a tool for use in friction stir welding. The tool was used to friction stir a length of 50 cm of stainless steel plate. The wear of the tool during the weld processing was less than 25 micrometers.
- The material may also be used as a surface layer on a lower cost tool substrate material to provide the benefits of the present invention while providing a lower cost tool than one made entirely of tungsten alloy. The tungsten alloys described above can be used as surface layers on various other materials, for example, metals, alloys, cermets, and ceramics. The tungsten alloy surface layer can be applied by plasma spray, high-intensity infrared fusion, etc. For application on materials with mismatched thermal characteristics and/or crystal lattices, buffer materials can be used, and/or graded structures can be used.
- Such uses can lower the overall cost of component fabrication because less expensive materials can be used as substrates, with the tungsten alloys as surface layers (including all forms thereof, such as coatings, laminates, for example) thereon to gain the benefit thereof at the point of exposure to oxidizers, corrosives, high wear, etc. at high temperatures.
- A tungsten alloy is prepared as described in Example I and coated onto an extrusion die by a conventional plasma spray method to form a tungsten alloy coated extrusion die.
- Moreover, a tungsten alloy tool may have a surface layer of another material thereon. Suitable surface layer materials include those that are harder and/or more wear resistant than the tungsten alloys. Examples of suitable surface layer materials include but are not limited to, alone or in any combination: boron carbide, hafnium carbide, titanium carbide, niobium carbide, tantalum carbide, zirconium carbide, boron nitride, hafnium nitride, titanium nitride, niobium nitride, tantalum nitride, zirconium nitride, aluminum oxide, and hafnium oxide.
- It follows that a tool having a tungsten alloy surface layer may have a further surface layer of another material thereon (as described hereinabove), with the tungsten alloy serving as an intermediate layer.
- While there has been shown and described what are at present considered the preferred embodiments of the invention, it will be obvious to those skilled in the art that various changes and modifications can be prepared therein without departing from the scope of the inventions defined by the appended claims.
Claims (10)
1. A tungsten alloy tool comprising a composition which comprises, in weight %, 3% to 27% rhenium, 0.03% to 3% hafnium, and 0.002% to 0.2% carbon, balance tungsten, said composition being formed into a tool.
2. A tungsten alloy tool in accordance with claim 1 wherein said hafnium and said carbon are present in an atomic ratio of about 1 to 1.
3. A tungsten alloy tool in accordance with claim 1 further comprising 26% rhenium, 0.28% hafnium, and 0.02% carbon.
4. A tungsten alloy tool in accordance with claim 1 further comprising a surface layer comprised of another material disposed thereon.
5. A tungsten alloy tool in accordance with claim 4 further wherein said surface layer further comprises at least one material selected from the group consisting of: boron carbide, hafnium carbide, titanium carbide, niobium carbide, tantalum carbide, zirconium carbide, boron nitride, hafnium nitride, titanium nitride, niobium nitride, tantalum nitride, zirconium nitride, aluminum oxide, and hafnium oxide.
6. A tungsten alloy tool comprising a substrate formed into a tool, said substrate having thereon an alloy surface layer comprising, in weight %, 3% to 27% rhenium, 0.03% to 3% hafnium, and 0.002% to 0.2% carbon, balance tungsten.
7. A tungsten alloy tool in accordance with claim 6 wherein said hafnium and said carbon are present in an atomic ratio of about 1 to 1.
8. A tungsten alloy tool in accordance with claim 6 wherein said surface layer further comprises 26% rhenium, 0.28% hafnium, and 0.02% carbon.
9. A tungsten alloy tool in accordance with claim 6 further comprising a further surface layer comprised of another material disposed thereon.
10. A tungsten alloy tool in accordance with claim 9 further wherein said further surface layer further comprises at least one material selected from the group consisting of: boron carbide, hafnium carbide, titanium carbide, niobium carbide, tantalum carbide, zirconium carbide, boron nitride, hafnium nitride, titanium nitride, niobium nitride, tantalum nitride, zirconium nitride, aluminum oxide, and hafnium oxide.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/735,974 US20050129565A1 (en) | 2003-12-15 | 2003-12-15 | Tungsten alloy high temperature tool materials |
| PCT/US2004/042062 WO2005059191A2 (en) | 2003-12-15 | 2004-12-15 | Tungsten alloy high temperature tool materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/735,974 US20050129565A1 (en) | 2003-12-15 | 2003-12-15 | Tungsten alloy high temperature tool materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20050129565A1 true US20050129565A1 (en) | 2005-06-16 |
Family
ID=34653740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/735,974 Abandoned US20050129565A1 (en) | 2003-12-15 | 2003-12-15 | Tungsten alloy high temperature tool materials |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20050129565A1 (en) |
| WO (1) | WO2005059191A2 (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050191482A1 (en) * | 2003-01-13 | 2005-09-01 | Liu Shaiw-Rong S. | High-performance hardmetal materials |
| US20060249556A1 (en) * | 2003-05-30 | 2006-11-09 | Subramanian Pazhayannur R | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom |
| US20070034048A1 (en) * | 2003-01-13 | 2007-02-15 | Liu Shaiw-Rong S | Hardmetal materials for high-temperature applications |
| US20070119276A1 (en) * | 2005-03-15 | 2007-05-31 | Liu Shaiw-Rong S | High-Performance Friction Stir Welding Tools |
| WO2007089882A3 (en) * | 2006-01-31 | 2007-12-21 | Genius Metal Inc | High-performance friction stir welding tools |
| US20080257107A1 (en) * | 2003-01-13 | 2008-10-23 | Genius Metal, Inc. | Compositions of Hardmetal Materials with Novel Binders |
| US20090068492A1 (en) * | 2006-03-10 | 2009-03-12 | Osaka University | Process for working metal material and structures |
| WO2008102209A3 (en) * | 2006-08-21 | 2009-07-30 | H C Starck Ltd | Refracrory metal tool for friction stir welding comprising a shoulder made of tungsten, molybdenum, tantalum, niobium or hafnium alloy and a coated or treated surface |
| US20090260299A1 (en) * | 2008-04-21 | 2009-10-22 | Qingyuan Liu | Tungsten rhenium compounds and composites and methods for forming the same |
| US20100178526A1 (en) * | 2006-08-21 | 2010-07-15 | Osaka University | Process for working metal members and structures |
| CN101845578A (en) * | 2010-05-15 | 2010-09-29 | 徐州工程学院 | First wall part made of doped tungsten-based composite material and preparation method thereof |
| US20120248175A1 (en) * | 2009-12-17 | 2012-10-04 | Sumitomo Electric Industries, Ltd. | Coated rotary tool |
| US20130126588A1 (en) * | 2010-02-05 | 2013-05-23 | Battelle Memorial Institute | Friction Stir Weld Tools Having Fine Grain Structure |
| US20140017114A1 (en) * | 2011-03-23 | 2014-01-16 | Nippon Tungsten Co., Ltd. | Tungsten cathode material |
| US20140301891A1 (en) * | 2011-12-20 | 2014-10-09 | Kabushiki Kaisha Toshiba | Tungsten alloy, tungsten alloy part, discharge lamp, transmitting tube, and magnetron |
| US9103731B2 (en) | 2012-08-20 | 2015-08-11 | Unison Industries, Llc | High temperature resistive temperature detector for exhaust gas temperature measurement |
| US20170191148A1 (en) * | 2014-05-30 | 2017-07-06 | A.L.M.T. Corp. | Heat-resistant tungsten alloy, friction stir welding tool, and production method |
| US9802834B2 (en) | 2010-02-05 | 2017-10-31 | Battelle Memorial Institute | Production of nanocrystalline metal powders via combustion reaction synthesis |
| CN112226662A (en) * | 2020-10-21 | 2021-01-15 | 广州大学 | A kind of double nanostructure tungsten alloy with good high temperature stability and its preparation method and application |
| EP4404878A4 (en) * | 2021-09-23 | 2026-04-08 | Mirus Llc | Coating for fire-resistant metal alloy |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10016839B1 (en) | 2017-03-09 | 2018-07-10 | King Fahd University Of Petroleum And Minerals | Friction stir welding tool and a method of fabricating the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728579A (en) * | 1985-05-03 | 1988-03-01 | Fried. Krupp Gesellschaft Mit Beschrankter Haftung | Wear resistant, coated, metal carbide body and a method for its production |
| US20040238599A1 (en) * | 2003-05-30 | 2004-12-02 | General Electric Company | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3013853B2 (en) * | 1988-07-19 | 2000-02-28 | 大同特殊鋼株式会社 | Machining tool for hot working Cr-containing steel |
| JP2002346811A (en) * | 2001-05-23 | 2002-12-04 | Toshiba Tungaloy Co Ltd | Coated sintered tool |
-
2003
- 2003-12-15 US US10/735,974 patent/US20050129565A1/en not_active Abandoned
-
2004
- 2004-12-15 WO PCT/US2004/042062 patent/WO2005059191A2/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728579A (en) * | 1985-05-03 | 1988-03-01 | Fried. Krupp Gesellschaft Mit Beschrankter Haftung | Wear resistant, coated, metal carbide body and a method for its production |
| US20040238599A1 (en) * | 2003-05-30 | 2004-12-02 | General Electric Company | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100180514A1 (en) * | 2003-01-13 | 2010-07-22 | Genius Metal, Inc. | High-Performance Hardmetal Materials |
| US20070034048A1 (en) * | 2003-01-13 | 2007-02-15 | Liu Shaiw-Rong S | Hardmetal materials for high-temperature applications |
| US20080257107A1 (en) * | 2003-01-13 | 2008-10-23 | Genius Metal, Inc. | Compositions of Hardmetal Materials with Novel Binders |
| US20050191482A1 (en) * | 2003-01-13 | 2005-09-01 | Liu Shaiw-Rong S. | High-performance hardmetal materials |
| US7645315B2 (en) | 2003-01-13 | 2010-01-12 | Worldwide Strategy Holdings Limited | High-performance hardmetal materials |
| US20060249556A1 (en) * | 2003-05-30 | 2006-11-09 | Subramanian Pazhayannur R | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom |
| US7337940B2 (en) * | 2003-05-30 | 2008-03-04 | General Electric Company | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom |
| US20070119276A1 (en) * | 2005-03-15 | 2007-05-31 | Liu Shaiw-Rong S | High-Performance Friction Stir Welding Tools |
| US7857188B2 (en) | 2005-03-15 | 2010-12-28 | Worldwide Strategy Holding Limited | High-performance friction stir welding tools |
| WO2007089882A3 (en) * | 2006-01-31 | 2007-12-21 | Genius Metal Inc | High-performance friction stir welding tools |
| US20090068492A1 (en) * | 2006-03-10 | 2009-03-12 | Osaka University | Process for working metal material and structures |
| US7918379B2 (en) * | 2006-03-10 | 2011-04-05 | Osaka University | Process for working metal material and structures |
| WO2008102209A3 (en) * | 2006-08-21 | 2009-07-30 | H C Starck Ltd | Refracrory metal tool for friction stir welding comprising a shoulder made of tungsten, molybdenum, tantalum, niobium or hafnium alloy and a coated or treated surface |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2005059191A3 (en) | 2005-09-15 |
| WO2005059191A2 (en) | 2005-06-30 |
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