JP6879935B2 - 切削工具 - Google Patents
切削工具 Download PDFInfo
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- JP6879935B2 JP6879935B2 JP2017556611A JP2017556611A JP6879935B2 JP 6879935 B2 JP6879935 B2 JP 6879935B2 JP 2017556611 A JP2017556611 A JP 2017556611A JP 2017556611 A JP2017556611 A JP 2017556611A JP 6879935 B2 JP6879935 B2 JP 6879935B2
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- 238000005520 cutting process Methods 0.000 title claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 80
- 239000011230 binding agent Substances 0.000 claims description 36
- 239000010439 graphite Substances 0.000 claims description 24
- 229910002804 graphite Inorganic materials 0.000 claims description 24
- 238000003754 machining Methods 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 description 75
- 239000012071 phase Substances 0.000 description 43
- 238000005245 sintering Methods 0.000 description 40
- 239000000203 mixture Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 13
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000000843 powder Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- 230000002950 deficient Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000010587 phase diagram Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- ADIMAYPTOBDMTL-UHFFFAOYSA-N oxazepam Chemical compound C12=CC(Cl)=CC=C2NC(=O)C(O)N=C1C1=CC=CC=C1 ADIMAYPTOBDMTL-UHFFFAOYSA-N 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 229910009043 WC-Co Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 229910020517 Co—Ti Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000756 V alloy Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
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- 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
- C22C29/08—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 based on tungsten carbide
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- C23C24/00—Coating starting from inorganic powder
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- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
- C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
- C23C8/64—Carburising
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- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
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Description
その特定の超硬合金組成の相図における、1000℃での二相領域の幅により決定される範囲内の炭素含量を有する、第1の超硬合金体を用意する工程と、
50−400μmの間の厚さを有する勾配表面ゾーンが形成されるように、前記第1の超硬合金体を浸炭環境内で焼結工程に供する工程と
を含む方法に関する。
WC、6wt%のCo及び追加の炭素で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWCからなる。焼結後の全炭素は、5.70wt%Cであった。炭素含量は、試料を燃焼させ、次いで生成物を固体IR検出により分析することによって測定される。分析は、LECO WC−600機器において行われる。値の精度は、±0.01wt%である。
WC、6wt%のCo及び追加の炭素で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWCを含んでいた。焼結後の全炭素含量は、5.76wt%Cであった。
本発明に従って生成された超硬合金(例1)を、従来の化学気相堆積により、0.3μmのTiNの接着層及び1.6μmZrC層からなる複数層でコーティングした。この超硬合金体を、試料3と呼ぶ。
WC、6wt%のCo及び追加の余分な炭素で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWCを含んでいた。焼結後にLECOにより測定された全炭素は、5.76wt%Cであった。炭素含量は、例1に記載のように測定されている。遊離グラファイトの勾配は存在しなかった。この超硬合金体を、試料4と呼ぶ。
WC、6wt%のCo及び追加のW金属で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWC及び亜炭化物(W,Co)xC(M6C,M12C)析出物、すなわちイータ相を含んでいた。焼結後にLECOにより測定された全炭素は、5.36wt%Cであった。
WC、6wt%のCo及び追加の余分な炭素で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWC、及び遊離グラファイト析出物を含んでおり、ISO DIN4505によるC06のC−空隙率を有していた。焼結後にLECOにより測定された全炭素は、5.80wt%Cであった。勾配は存在しなかった。C−空隙率及び炭素含量は、例1に記載のように測定されている。この超硬合金体を、試料6と呼ぶ。
WC、6wt%のCo及び追加の炭素で作製された混合物を、18時間混合及びブレンドし、真空条件下で1410℃で1時間圧縮及び焼結した。焼結後、超硬合金は、Co金属結合材相に埋没したWC、及び遊離グラファイト析出物を含んでいた。焼結後にLECOにより測定された全炭素は、5.80wt%Cであった。
全てのインサートを、以下の条件を使用して、Ti6Al4V合金での旋削操作において試験した。
ap=0.2
Fn=0.2
Vc=75m/分。
Claims (7)
- Ti、Ti合金及びNi系合金の機械加工のための切削工具の使用であって、
切削工具が、WCを含む超硬合金の基材と結合材相とを含み、結合材相勾配を有する120から250μmの間の厚さの勾配表面ゾーンを有し、勾配表面ゾーンの最外部分において結合材相含量が最も低い切削工具であって、
切削工具が遊離グラファイトを含み、遊離グラファイトが勾配表面ゾーンに存在する、切削工具の使用。 - 遊離グラファイトの量が、C−空隙率がC02−C08であるような量であることを特徴とする、請求項1に記載の切削工具の使用。
- 遊離グラファイトの量が、C−空隙率がC04−C08であるような量であることを特徴とする、請求項1又は2に記載の切削工具の使用。
- 結合材相がコバルトであることを特徴とする、請求項1から3の何れか一項に記載の切削工具の使用。
- コバルト含量が、4から10wt%の間であることを特徴とする、請求項1から4の何れか一項に記載の切削工具の使用。
- コーティングされていないことを特徴とする、請求項1から5の何れか一項に記載の切削工具の使用。
- コーティングが施されていることを特徴とする、請求項1から4の何れか一項に記載の切削工具の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP15165935 | 2015-04-30 | ||
EP15165935.6 | 2015-04-30 | ||
PCT/EP2016/059276 WO2016174028A1 (en) | 2015-04-30 | 2016-04-26 | Cutting tool |
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EP3538305B1 (en) * | 2016-11-08 | 2024-07-03 | Sandvik Intellectual Property AB | Method of machining ti, ti-alloys and ni-based alloys |
CN109576637B (zh) * | 2018-12-20 | 2021-03-16 | 株洲硬质合金集团有限公司 | 一种硬质合金的渗碳方法 |
JP2023512751A (ja) * | 2019-12-19 | 2023-03-29 | エービー サンドビック コロマント | 代替的な結合剤を有する傾斜超硬合金 |
CN111500914A (zh) * | 2020-04-26 | 2020-08-07 | 山东沂水机床厂有限公司 | 一种数控机床用硬质合金及其制备方法 |
CN115555569A (zh) * | 2022-09-30 | 2023-01-03 | 瓮福(集团)有限责任公司 | 一种高耐磨耐蚀的高熵合金涂层材料的制备方法 |
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SE456428B (sv) * | 1986-05-12 | 1988-10-03 | Santrade Ltd | Hardmetallkropp for bergborrning med bindefasgradient och sett att framstella densamma |
JP3046336B2 (ja) | 1990-09-17 | 2000-05-29 | 東芝タンガロイ株式会社 | 傾斜組成組識の焼結合金及びその製造方法 |
JP3080983B2 (ja) | 1990-11-21 | 2000-08-28 | 東芝タンガロイ株式会社 | 傾斜組成組織の硬質焼結合金及びその製造方法 |
JPH04294907A (ja) * | 1991-03-25 | 1992-10-19 | Mitsubishi Materials Corp | 硬質層被覆炭化タングステン基超硬合金製切削工具 |
SE9200530D0 (sv) | 1992-02-21 | 1992-02-21 | Sandvik Ab | Haardmetall med bindefasanrikad ytzon |
US5310605A (en) * | 1992-08-25 | 1994-05-10 | Valenite Inc. | Surface-toughened cemented carbide bodies and method of manufacture |
SE505425C2 (sv) * | 1992-12-18 | 1997-08-25 | Sandvik Ab | Hårdmetall med bindefasanrikad ytzon |
SE9704742D0 (sv) * | 1997-12-18 | 1997-12-18 | Sandvik Ab | Coated cemented carbide with improved properties and method of making such body |
SE516071C2 (sv) | 1999-04-26 | 2001-11-12 | Sandvik Ab | Hårdmetallskär belagt med en slitstark beläggning |
CA2547926C (en) * | 2003-12-15 | 2013-08-06 | Sandvik Intellectual Property Ab | Cemented carbide tools for mining and construction applications and method of making the same |
US7699904B2 (en) | 2004-06-14 | 2010-04-20 | University Of Utah Research Foundation | Functionally graded cemented tungsten carbide |
SE529590C2 (sv) * | 2005-06-27 | 2007-09-25 | Sandvik Intellectual Property | Finkorniga sintrade hårdmetaller innehållande en gradientzon |
US8163232B2 (en) | 2008-10-28 | 2012-04-24 | University Of Utah Research Foundation | Method for making functionally graded cemented tungsten carbide with engineered hard surface |
US9388482B2 (en) | 2009-11-19 | 2016-07-12 | University Of Utah Research Foundation | Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the same |
JP6474389B2 (ja) | 2013-05-31 | 2019-02-27 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | 超硬合金の新規製造方法及びそれにより得られる製品 |
RU2015156229A (ru) | 2013-05-31 | 2017-07-06 | Сандвик Интеллекчуал Проперти Аб | Новый способ получения цементированного карбида и получаемый при его помощи продукт |
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US10995399B2 (en) | 2021-05-04 |
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CN107530774A (zh) | 2018-01-02 |
CN107530774B (zh) | 2020-11-06 |
KR20170141210A (ko) | 2017-12-22 |
US20180127862A1 (en) | 2018-05-10 |
EP3289112A1 (en) | 2018-03-07 |
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JP2018521214A (ja) | 2018-08-02 |
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