GB2557104A - Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles - Google Patents
Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles Download PDFInfo
- Publication number
- GB2557104A GB2557104A GB1802870.4A GB201802870A GB2557104A GB 2557104 A GB2557104 A GB 2557104A GB 201802870 A GB201802870 A GB 201802870A GB 2557104 A GB2557104 A GB 2557104A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carbide
- sharp
- degradable material
- boride
- alloy
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title abstract description 13
- 230000003628 erosive effect Effects 0.000 title abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052580 B4C Inorganic materials 0.000 abstract description 2
- 229910052582 BN Inorganic materials 0.000 abstract description 2
- 229910001152 Bi alloy Inorganic materials 0.000 abstract description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000861 Mg alloy Inorganic materials 0.000 abstract description 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 2
- 229910001128 Sn alloy Inorganic materials 0.000 abstract description 2
- 229910001297 Zn alloy Inorganic materials 0.000 abstract description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 abstract description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 abstract description 2
- 239000010432 diamond Substances 0.000 abstract description 2
- 229910001651 emery Inorganic materials 0.000 abstract description 2
- 239000011156 metal matrix composite Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 150000004767 nitrides Chemical class 0.000 abstract description 2
- 229910052762 osmium Inorganic materials 0.000 abstract description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052702 rhenium Inorganic materials 0.000 abstract description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 abstract description 2
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 2
- 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 abstract description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052845 zircon Inorganic materials 0.000 abstract description 2
- -1 zircon) Chemical compound 0.000 abstract description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 abstract description 2
- 102220411551 c.74G>T Human genes 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/02—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground by explosives or by thermal or chemical means
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1293—Packers; Plugs with mechanical slips for hooking into the casing with means for anchoring against downward and upward movement
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/063—Valve or closure with destructible element, e.g. frangible disc
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Prevention Of Electric Corrosion (AREA)
- Laminated Bodies (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Coating By Spraying Or Casting (AREA)
- Geophysics (AREA)
- Ceramic Products (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2015/061365 WO2017086955A1 (en) | 2015-11-18 | 2015-11-18 | Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201802870D0 GB201802870D0 (en) | 2018-04-11 |
GB2557104A true GB2557104A (en) | 2018-06-13 |
Family
ID=58717630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1802870.4A Withdrawn GB2557104A (en) | 2015-11-18 | 2015-11-18 | Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles |
Country Status (10)
Country | Link |
---|---|
US (1) | US20180238133A1 (ro) |
AR (1) | AR106749A1 (ro) |
AU (1) | AU2015414757A1 (ro) |
CA (1) | CA2998846A1 (ro) |
GB (1) | GB2557104A (ro) |
MX (1) | MX2018004423A (ro) |
NO (1) | NO20180259A1 (ro) |
PL (1) | PL425262A1 (ro) |
RO (1) | RO133676A2 (ro) |
WO (1) | WO2017086955A1 (ro) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2930384C (en) * | 2013-12-06 | 2020-04-14 | Halliburton Energy Services, Inc. | Controlling wellbore operations |
US10358892B2 (en) * | 2017-07-25 | 2019-07-23 | Baker Hughes, A Ge Company, Llc | Sliding sleeve valve with degradable component responsive to material released with operation of the sliding sleeve |
CN108222881B (zh) * | 2017-11-08 | 2021-08-03 | 中国石油天然气股份有限公司 | 可溶解桥塞及其材料制备方法 |
US11313192B2 (en) | 2017-11-08 | 2022-04-26 | Petrochina Company Ltd. | Method for lowering oil pipe in gas well without well-killing, soluble bridge plug and material preparation method thereof |
CN108265212B (zh) * | 2018-04-13 | 2021-04-06 | 西安石油大学 | 一种用超声波震荡铸造制备高强可溶解铝合金材料的方法 |
CN108265203A (zh) * | 2018-04-13 | 2018-07-10 | 西安石油大学 | 一种稀土La改性高强度可溶解铝合金及其熔炼工艺 |
US11105168B2 (en) * | 2018-08-16 | 2021-08-31 | Advanced Upstream Ltd. | Dissolvable pressure barrier |
US10876374B2 (en) | 2018-11-16 | 2020-12-29 | Weatherford Technology Holdings, Llc | Degradable plugs |
US11365600B2 (en) | 2019-06-14 | 2022-06-21 | Nine Downhole Technologies, Llc | Compact downhole tool |
CN110343913A (zh) * | 2019-08-01 | 2019-10-18 | 安徽科蓝特铝业有限公司 | 一种铝基高强度复合材料及其制备方法 |
US11401775B2 (en) * | 2019-10-01 | 2022-08-02 | Ccdi Composites, Inc. | High strength connection for composite sleeve and composite mandrel and related methods |
NO346335B1 (en) * | 2019-11-15 | 2022-06-13 | Marwell As | A device comprising a dissolvable material for use in a wellbore |
US11230903B2 (en) | 2020-02-05 | 2022-01-25 | Weatherford Technology Holdings, Llc | Downhole tool having low density slip inserts |
US11293244B2 (en) | 2020-02-28 | 2022-04-05 | Weatherford Technology Holdings, Llc | Slip assembly for a downhole tool |
US11988054B2 (en) * | 2020-03-13 | 2024-05-21 | Schlumberger Technology Corporation | System and method utilizing ball seat with locking feature |
CN111876636B (zh) * | 2020-08-07 | 2021-08-10 | 广东省材料与加工研究所 | 可溶解铝合金材料、其制备方法及压裂球 |
US11454082B2 (en) * | 2020-08-25 | 2022-09-27 | Saudi Arabian Oil Company | Engineered composite assembly with controllable dissolution |
CN114015913A (zh) * | 2020-10-30 | 2022-02-08 | 青岛大地创鑫科技有限公司 | 一种高强度可溶铝合金及其制备方法 |
US11761296B2 (en) * | 2021-02-25 | 2023-09-19 | Wenhui Jiang | Downhole tools comprising degradable components |
US11591881B2 (en) | 2021-03-17 | 2023-02-28 | Weatherford Technology Holdings, Llc | Cone for a downhole tool |
CN113464088A (zh) * | 2021-04-22 | 2021-10-01 | 杰瑞能源服务有限公司 | 可溶桥塞和井下工具 |
AR127052A1 (es) | 2021-09-13 | 2023-12-13 | Ypf Tecnologia Sa | Aleación disoluble de magnesio |
US11867012B2 (en) | 2021-12-06 | 2024-01-09 | Saudi Arabian Oil Company | Gauge cutter and sampler apparatus |
CN114480923B (zh) * | 2022-01-26 | 2022-11-08 | 西南石油大学 | 一种溶解速度可控的可溶金属密封圈及其制备工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110132621A1 (en) * | 2009-12-08 | 2011-06-09 | Baker Hughes Incorporated | Multi-Component Disappearing Tripping Ball and Method for Making the Same |
US20120292053A1 (en) * | 2011-05-19 | 2012-11-22 | Baker Hughes Incorporated | Easy Drill Slip with Degradable Materials |
US20130032357A1 (en) * | 2011-08-05 | 2013-02-07 | Baker Hughes Incorporated | Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
US20140196899A1 (en) * | 2013-01-17 | 2014-07-17 | Parker-Hannifin Corporation | Degradable ball sealer |
US20140202712A1 (en) * | 2012-06-08 | 2014-07-24 | Halliburton Energy Services, Inc. | Methods of adjusting the rate of galvanic corrosion of a wellbore isolation device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017058632A1 (en) * | 2015-09-28 | 2017-04-06 | 3M Innovative Properties Company | Sealing element and related methods |
-
2015
- 2015-11-18 RO RO201800272A patent/RO133676A2/ro unknown
- 2015-11-18 MX MX2018004423A patent/MX2018004423A/es unknown
- 2015-11-18 WO PCT/US2015/061365 patent/WO2017086955A1/en active Application Filing
- 2015-11-18 CA CA2998846A patent/CA2998846A1/en not_active Abandoned
- 2015-11-18 GB GB1802870.4A patent/GB2557104A/en not_active Withdrawn
- 2015-11-18 PL PL425262A patent/PL425262A1/pl unknown
- 2015-11-18 US US15/754,449 patent/US20180238133A1/en not_active Abandoned
- 2015-11-18 AU AU2015414757A patent/AU2015414757A1/en not_active Abandoned
-
2016
- 2016-11-18 AR ARP160103538A patent/AR106749A1/es unknown
-
2018
- 2018-02-20 NO NO20180259A patent/NO20180259A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110132621A1 (en) * | 2009-12-08 | 2011-06-09 | Baker Hughes Incorporated | Multi-Component Disappearing Tripping Ball and Method for Making the Same |
US20120292053A1 (en) * | 2011-05-19 | 2012-11-22 | Baker Hughes Incorporated | Easy Drill Slip with Degradable Materials |
US20130032357A1 (en) * | 2011-08-05 | 2013-02-07 | Baker Hughes Incorporated | Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
US20140202712A1 (en) * | 2012-06-08 | 2014-07-24 | Halliburton Energy Services, Inc. | Methods of adjusting the rate of galvanic corrosion of a wellbore isolation device |
US20140196899A1 (en) * | 2013-01-17 | 2014-07-17 | Parker-Hannifin Corporation | Degradable ball sealer |
Also Published As
Publication number | Publication date |
---|---|
WO2017086955A1 (en) | 2017-05-26 |
AR106749A1 (es) | 2018-02-14 |
US20180238133A1 (en) | 2018-08-23 |
CA2998846A1 (en) | 2017-05-26 |
AU2015414757A1 (en) | 2018-03-08 |
PL425262A1 (pl) | 2018-11-19 |
RO133676A2 (ro) | 2019-10-30 |
MX2018004423A (es) | 2018-05-11 |
GB201802870D0 (en) | 2018-04-11 |
NO20180259A1 (en) | 2018-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2557104A (en) | Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles | |
Kanyanta et al. | Impact fatigue fracture of polycrystalline diamond compact (PDC) cutters and the effect of microstructure | |
Westraadt et al. | Characterisation of thermally degraded polycrystalline diamond | |
NO345702B1 (no) | Nedbrytelig kileelement og fremgangsmåte for å fjerne et kileelement | |
US9068428B2 (en) | Selectively corrodible downhole article and method of use | |
CN103703210B (zh) | 可选择性移除的通道限制装置 | |
RU2009121445A (ru) | Буровые долота для роторного бурения, корпуса которых включают упроченные матричные материалы на основе титана или титановых сплавов, и способы изготовления таких долот | |
GB2552595A (en) | Multifunction downhole plug | |
US9068408B2 (en) | Methods of forming earth-boring tools and related structures | |
DK201870301A1 (en) | Downhole tool with alterable structural component | |
BRPI0510431A (pt) | brocas de perfuração de terra | |
US10724321B2 (en) | Downhole tools with controlled disintegration | |
GB2557779A (en) | Use of solid surfactant composites in well cementing | |
GB2549905A (en) | Metal-matrix composites reinforced with a refractory metal | |
CA2926620C (en) | Protective coating for a substrate | |
US20150122552A1 (en) | Hard-Facing for Downhole Tools and Matrix Bit Bodies with Enhanced Wear Resistance and Fracture Toughness | |
US20160160592A1 (en) | Degradable anchor device with granular material | |
US10190369B2 (en) | Bit incorporating ductile inserts | |
MX340650B (es) | Broca. | |
GB2556716A (en) | Radiation induced thickening for cement | |
RU2015141523A (ru) | Состав для поверхностного упрочнения, включающий рутений, буровой инструмент с таким упрочнением и способ его нанесения | |
GB2555279A (en) | Outflow control device for creating a packer | |
US20210140254A1 (en) | Downhole tools treated by plasma electrolytic oxidation | |
Josep Roa et al. | Small-scale mechanical response of cemented carbides: Correlation between mechanical properties and microstructure | |
JP2006104540A (ja) | 超硬合金 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |