GB2384260B - Polycrystalline diamond cutters having modified residual stresses - Google Patents
Polycrystalline diamond cutters having modified residual stressesInfo
- Publication number
- GB2384260B GB2384260B GB0306894A GB0306894A GB2384260B GB 2384260 B GB2384260 B GB 2384260B GB 0306894 A GB0306894 A GB 0306894A GB 0306894 A GB0306894 A GB 0306894A GB 2384260 B GB2384260 B GB 2384260B
- Authority
- GB
- United Kingdom
- Prior art keywords
- polycrystalline diamond
- residual stresses
- diamond cutters
- modified residual
- cutters
- 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 - Lifetime
Links
- 229910003460 diamond Inorganic materials 0.000 title 1
- 239000010432 diamond Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Fluid Mechanics (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/231,350 US6220375B1 (en) | 1999-01-13 | 1999-01-13 | Polycrystalline diamond cutters having modified residual stresses |
GB9930844A GB2345710B (en) | 1999-01-13 | 1999-12-24 | Polycrystalline diamond cutters having modified residual stresses |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0306894D0 GB0306894D0 (en) | 2003-04-30 |
GB2384260A GB2384260A (en) | 2003-07-23 |
GB2384260B true GB2384260B (en) | 2003-09-03 |
Family
ID=26316158
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0306893A Expired - Lifetime GB2384259B (en) | 1999-01-13 | 1999-12-24 | Polycrystalline diamond cutters having modified residual stresses |
GB0306894A Expired - Lifetime GB2384260B (en) | 1999-01-13 | 1999-12-24 | Polycrystalline diamond cutters having modified residual stresses |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0306893A Expired - Lifetime GB2384259B (en) | 1999-01-13 | 1999-12-24 | Polycrystalline diamond cutters having modified residual stresses |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2384259B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7985470B2 (en) * | 2007-02-02 | 2011-07-26 | Sumitomo Electric Hardmetal Corp. | Diamond sintered compact |
US8297382B2 (en) | 2008-10-03 | 2012-10-30 | Us Synthetic Corporation | Polycrystalline diamond compacts, method of fabricating same, and various applications |
US7866418B2 (en) | 2008-10-03 | 2011-01-11 | Us Synthetic Corporation | Rotary drill bit including polycrystalline diamond cutting elements |
US9315881B2 (en) | 2008-10-03 | 2016-04-19 | Us Synthetic Corporation | Polycrystalline diamond, polycrystalline diamond compacts, methods of making same, and applications |
US9297731B2 (en) | 2010-04-06 | 2016-03-29 | Varel Europe S.A.S | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard material inserts |
US9086348B2 (en) | 2010-04-06 | 2015-07-21 | Varel Europe S.A.S. | Downhole acoustic emission formation sampling |
US8727046B2 (en) | 2011-04-15 | 2014-05-20 | Us Synthetic Corporation | Polycrystalline diamond compacts including at least one transition layer and methods for stress management in polycrsystalline diamond compacts |
GB201108967D0 (en) * | 2011-05-27 | 2011-07-13 | Element Six Ltd | Superhard structure, tool element and method of making same |
GB201113391D0 (en) | 2011-08-03 | 2011-09-21 | Element Six Abrasives Sa | Super-hard construction and method for making same |
US9249059B2 (en) | 2012-04-05 | 2016-02-02 | Varel International Ind., L.P. | High temperature high heating rate treatment of PDC cutters |
CN104563889A (en) * | 2013-11-25 | 2015-04-29 | 莱州市原野科技有限公司 | Pre-graphitized polycrystalline diamond compact |
US10046441B2 (en) * | 2013-12-30 | 2018-08-14 | Smith International, Inc. | PCD wafer without substrate for high pressure / high temperature sintering |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258260A (en) * | 1989-02-14 | 1993-02-03 | Camco Drilling Group Ltd | Improvements in or relating to cutting elements for rotary drill bits |
GB2307931A (en) * | 1995-12-07 | 1997-06-11 | Baker Hughes Inc | PDC cutter |
-
1999
- 1999-12-24 GB GB0306893A patent/GB2384259B/en not_active Expired - Lifetime
- 1999-12-24 GB GB0306894A patent/GB2384260B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258260A (en) * | 1989-02-14 | 1993-02-03 | Camco Drilling Group Ltd | Improvements in or relating to cutting elements for rotary drill bits |
GB2307931A (en) * | 1995-12-07 | 1997-06-11 | Baker Hughes Inc | PDC cutter |
Also Published As
Publication number | Publication date |
---|---|
GB2384260A (en) | 2003-07-23 |
GB0306893D0 (en) | 2003-04-30 |
GB2384259B (en) | 2003-09-03 |
GB0306894D0 (en) | 2003-04-30 |
GB2384259A (en) | 2003-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20191223 |