RU2012155101A - Способы формирования по меньшей мере части бурильного инструмента - Google Patents
Способы формирования по меньшей мере части бурильного инструмента Download PDFInfo
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- RU2012155101A RU2012155101A RU2012155101/02A RU2012155101A RU2012155101A RU 2012155101 A RU2012155101 A RU 2012155101A RU 2012155101/02 A RU2012155101/02 A RU 2012155101/02A RU 2012155101 A RU2012155101 A RU 2012155101A RU 2012155101 A RU2012155101 A RU 2012155101A
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- mixture
- drilling tool
- solid material
- cobalt
- molten mixture
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/06—Casting in, on, or around objects which form part of the product for manufacturing or repairing tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1068—Making hard metals based on borides, carbides, nitrides, oxides or silicides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Abstract
1. Способ формирования по меньшей мере части бурильного инструмента, при осуществлении которого:помещают в полость литейной формы зернистый материал, включающий твердый материал;расплавляют металл и твердый материал для формирования расплавленной смеси, включающей эвтектическую или близкую к эвтектической смесь металла и твердого материала;заливают расплавленную смесь в полость литейной формы для формирования в ней по меньшей мере части бурильного инструмента; икорректируют стехиометрию по меньшей мере одной фазы твердого материала по меньшей мере части бурильного инструмента.2. Способ по п.1, в котором при корректировке стехиометрии по меньшей мере одной фазы твердого материала по меньшей мере части бурильного инструмента преобразуют по меньшей мере одну из MC и MC фаз в по меньшей мере одну из MC и MC фаз, где M представляет собой по меньшей мере один элемент металла, а C - углерод.3. Способ по п.2, в котором при преобразовании по меньшей мере одной из MC и MC фаз в по меньшей мере одну из MC и MC фаз преобразуют WCOC в WC, при этом x находится в пределах примерно от 0,5 до 6 и у находится в пределах примерно от 0,5 до 6.4. Способ по любому из п.п.1-3, в котором при расплавлении металла и твердого материала для формировании расплавленной смеси, расплавляют смесь, содержащую примерно от 40 до 90 мас.% кобальта или сплава кобальта, и примерно от 0,5 до 3,8 мас.% углерода, при этом остальную часть смеси по меньшей мере в основном составляет вольфрам.5. Способ по п.4, в котором при расплавлении металла и твердого материала для формирования расплавленной смеси расплавляют смесь, содержащую примерно от 55 до 85 мас.% кобальта или сплава кобальта и приме
Claims (16)
1. Способ формирования по меньшей мере части бурильного инструмента, при осуществлении которого:
помещают в полость литейной формы зернистый материал, включающий твердый материал;
расплавляют металл и твердый материал для формирования расплавленной смеси, включающей эвтектическую или близкую к эвтектической смесь металла и твердого материала;
заливают расплавленную смесь в полость литейной формы для формирования в ней по меньшей мере части бурильного инструмента; и
корректируют стехиометрию по меньшей мере одной фазы твердого материала по меньшей мере части бурильного инструмента.
2. Способ по п.1, в котором при корректировке стехиометрии по меньшей мере одной фазы твердого материала по меньшей мере части бурильного инструмента преобразуют по меньшей мере одну из M6C и M12C фаз в по меньшей мере одну из MC и M2C фаз, где M представляет собой по меньшей мере один элемент металла, а C - углерод.
3. Способ по п.2, в котором при преобразовании по меньшей мере одной из M6C и M12C фаз в по меньшей мере одну из MC и M2C фаз преобразуют WxCOyC в WC, при этом x находится в пределах примерно от 0,5 до 6 и у находится в пределах примерно от 0,5 до 6.
4. Способ по любому из п.п.1-3, в котором при расплавлении металла и твердого материала для формировании расплавленной смеси, расплавляют смесь, содержащую примерно от 40 до 90 мас.% кобальта или сплава кобальта, и примерно от 0,5 до 3,8 мас.% углерода, при этом остальную часть смеси по меньшей мере в основном составляет вольфрам.
5. Способ по п.4, в котором при расплавлении металла и твердого материала для формирования расплавленной смеси расплавляют смесь, содержащую примерно от 55 до 85 мас.% кобальта или сплава кобальта и примерно от 0,85 до 3,0 мас.% углерода, при этом остальную часть смеси по меньшей мере в основном составляет вольфрам.
6. Способ по п.5, в котором при расплавлении металла и твердого материала для формирования расплавленной смеси расплавляют смесь, содержащую примерно от 65 до 78 мас.% кобальта или сплава кобальта и примерно от 1,3 до 2,35 масс.% углерода, при этом остальную часть смеси по меньшей мере в основном составляет вольфрам.
7. Способ по п.6, в котором при расплавлении металла и твердого материала для формирования расплавленной смеси расплавляют смесь, содержащую примерно 69 мас.% кобальта или сплава кобальта, примерно 1,9 мас.% углерода и примерно 29,1 мас.% вольфрама.
8. Способ по п.7, в котором при расплавлении металла и твердого материала для формирования расплавленной смеси расплавляют примерно 75 мас.% кобальта или сплава кобальта, примерно 1,53 мас.% углерода и примерно 23,47 мас.% вольфрама.
9. Способ по п.8, в котором дополнительно обрабатывают давлением по меньшей мере часть бурильного инструмента в полости литейной формы после заливки расплавленной смеси для формирования по меньшей мере части бурильного инструмента.
10. Способ по п.9, в котором дополнительно подвергают обработке поверхностную область по меньшей мере части бурильного инструмента для создания остаточных сжимающих напряжений в пределах по меньшей мере поверхностной области по меньшей мере части бурильного инструмента.
11. Способ по п.10, в котором при обработке по меньшей мере поверхностной области по меньшей мере части бурильного инструмента подвергают по меньшей мере поверхностную область по меньшей мере части бурильного инструмента обработке нагартовкой.
12. Способ формирования шарошки долота роторного бурения, в котором формируют расплавленную смесь, включающую эвтектическую или близкую к эвтектической смесь кобальта и карбида вольфрама;
заливают расплавленную смесь в полость литейной формы;
отверждают расплавленную смесь в полости литейной формы для формирования шарошки долота и
преобразуют область ЕТА-фазы в шарошке долота в по меньшей мере WC или W2C.
13. Способ по п.12, в котором при формировании расплавленной смеси формируют расплавленную смесь, содержащую примерно 69 мас.% кобальта или сплава кобальта, примерно 1,9 мас.% углерода и примерно 29,1 мас.% вольфрама.
14. Способ по п.12 или 13, в котором дополнительно обрабатывают давлением шарошку долота после заливки расплавленной смеси в полость литейной формы.
15. Способ по п.14, в котором дополнительно подвергают обработке по меньшей мере поверхностную область шарошки долота для создания остаточных сжимающих напряжений по меньшей мере в ее пределах.
16. Способ по п.15, в котором при обработке по меньшей мере поверхностной области шарошки долота подвергают ее нагартовке.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34669910P | 2010-05-20 | 2010-05-20 | |
US61/346,699 | 2010-05-20 | ||
PCT/US2011/037196 WO2011146743A2 (en) | 2010-05-20 | 2011-05-19 | Methods of forming at least a portion of earth-boring tools |
Publications (1)
Publication Number | Publication Date |
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RU2012155101A true RU2012155101A (ru) | 2014-06-27 |
Family
ID=44971474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2012155101/02A RU2012155101A (ru) | 2010-05-20 | 2011-05-19 | Способы формирования по меньшей мере части бурильного инструмента |
Country Status (7)
Country | Link |
---|---|
US (1) | US8490674B2 (ru) |
EP (1) | EP2571646A4 (ru) |
CN (1) | CN103003011A (ru) |
CA (1) | CA2799987A1 (ru) |
MX (1) | MX2012013454A (ru) |
RU (1) | RU2012155101A (ru) |
WO (1) | WO2011146743A2 (ru) |
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-
2011
- 2011-05-19 WO PCT/US2011/037196 patent/WO2011146743A2/en active Application Filing
- 2011-05-19 MX MX2012013454A patent/MX2012013454A/es active IP Right Grant
- 2011-05-19 CA CA2799987A patent/CA2799987A1/en not_active Abandoned
- 2011-05-19 EP EP11784259.1A patent/EP2571646A4/en not_active Withdrawn
- 2011-05-19 RU RU2012155101/02A patent/RU2012155101A/ru not_active Application Discontinuation
- 2011-05-19 US US13/111,666 patent/US8490674B2/en active Active
- 2011-05-19 CN CN2011800337679A patent/CN103003011A/zh active Pending
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EP2571646A4 (en) | 2016-10-05 |
WO2011146743A3 (en) | 2012-01-12 |
WO2011146743A2 (en) | 2011-11-24 |
US8490674B2 (en) | 2013-07-23 |
CA2799987A1 (en) | 2011-11-24 |
CN103003011A (zh) | 2013-03-27 |
US20110284179A1 (en) | 2011-11-24 |
EP2571646A2 (en) | 2013-03-27 |
MX2012013454A (es) | 2013-05-01 |
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