JPWO2013002270A1 - 硬質合金および切削工具 - Google Patents
硬質合金および切削工具 Download PDFInfo
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- JPWO2013002270A1 JPWO2013002270A1 JP2013522902A JP2013522902A JPWO2013002270A1 JP WO2013002270 A1 JPWO2013002270 A1 JP WO2013002270A1 JP 2013522902 A JP2013522902 A JP 2013522902A JP 2013522902 A JP2013522902 A JP 2013522902A JP WO2013002270 A1 JPWO2013002270 A1 JP WO2013002270A1
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- hard alloy
- content ratio
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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
- C22C29/04—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 carbonitrides
-
- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5626—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12146—Nonmetal particles in a component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Powder Metallurgy (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
次に、上述した硬質合金の製造方法の一例について説明する。
(a)1050〜1250℃まで昇温し、
(b)真空雰囲気で5〜10℃/分の昇温速度r1で1300〜1400℃まで昇温し、(c)窒素(N)を1000〜3000Pa充填した雰囲気で0.1〜5℃/分の昇温速度r2で1500〜1600℃の焼成温度Tまで昇温するとともに、
(d)真空雰囲気、または不活性ガスを充填した雰囲気で0.5〜1時間維持し、(e)3〜15℃/分の冷却速度で冷却する工程にて焼成する。
(摩耗評価)
被削材:SCM435
切削速度:250m/分
送り:0.30 mm/rev
切込み:2.0mm
切削状態:湿式(水溶性切削液使用)
評価方法:摩耗量が0.2mmに達するまでの時間
(欠損評価)
被削材:SCM440(5mm幅×4本溝入り)
切削速度:250m/分
送り:0.30 mm/rev
切込み:1.5mm
切削状態:湿式(水溶性切削液使用)
評価方法:刃先が欠損するまでの衝撃回数
2 複合硬質相
3 WC相
4 結合相
6 表面領域
7 内部領域
8 高硬度領域
Claims (13)
- WCを50〜70質量%と、TiCNを15〜30質量%と、WおよびTi以外の周期表第4、5および6族金属のうちの1種以上の炭化物、窒化物および炭窒化物の少なくとも1種を0〜10質量%と、を主体として、WC相と複合硬質相とを含有する硬質相と、CoおよびNiの少なくとも1種以上を6〜12質量%を主体とする結合相を含有する硬質合金であって、該硬質合金の表面に、WCの含有比率が前記硬質合金の内部領域に比べて高い表面領域が存在するとともに、該表面領域におけるWC相の平均粒径が前記内部領域におけるWC相の平均粒径に対して大きい硬質合金。
- 前記表面領域におけるWC相の平均粒径が前記内部領域におけるWC相の平均粒径に対して1.1〜1.5倍である請求項1記載の硬質合金。
- 前記表面領域の厚みが5〜20μmである請求項1または2記載の硬質合金。
- 前記表面領域の直下に、前記硬質合金の内部領域に対して硬度が高い高硬度領域が存在する請求項1乃至3のいずれか記載の硬質合金。
- 前記高硬度領域中では前記内部領域に対して前記WC相の含有比率が低い請求項4記載の硬質合金。
- 前記高硬度領域における複合硬質相の平均粒径が表面から内部領域に向かって減少している請求項4または5記載の硬質合金。
- 前記表面領域の厚み方向の中央におけるビッカース硬度が、前記内部領域における平均ビッカース硬度に対して0.8〜1.0倍の範囲である請求項1乃至6のいずれか記載の硬質合金。
- 前記高硬度領域中のビッカース硬度の極大値が前記内部領域における平均ビッカース硬度に対して1.2〜1.3倍の範囲である請求項4乃至7のいずれか記載の硬質合金。
- 前記表面領域の前記結合相の窒素含有比率が前記内部領域の前記結合相の窒素含有比率よりも多く、かつ前記表面領域において前記結合相に含有される窒素含有比率が前記複合硬質相に含有される窒素含有比率よりも多い請求項1乃至8のいずれか記載の硬質合金。
- 前記表面領域の結合相に含有される窒素含有比率が内部領域の前記結合相に含有される窒素含有比率に対して1.1倍以上高い請求項9記載の硬質合金。
- 請求項1乃至10のいずれか記載の硬質合金からなる切削工具。
- 前記硬質合金の表面に被覆層を設けた請求項11記載の切削工具。
- 前記被覆層は、前記硬質合金側から、TiCN層を4〜10μmと、Al2O3層を3〜8μmとを順に具備する請求項12記載の切削工具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013522902A JP5815709B2 (ja) | 2011-06-27 | 2012-06-27 | 硬質合金および切削工具 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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JP2011141916 | 2011-06-27 | ||
JP2011141916 | 2011-06-27 | ||
JP2011204787 | 2011-09-20 | ||
JP2011204787 | 2011-09-20 | ||
JP2011237452 | 2011-10-28 | ||
JP2011237452 | 2011-10-28 | ||
PCT/JP2012/066409 WO2013002270A1 (ja) | 2011-06-27 | 2012-06-27 | 硬質合金および切削工具 |
JP2013522902A JP5815709B2 (ja) | 2011-06-27 | 2012-06-27 | 硬質合金および切削工具 |
Publications (2)
Publication Number | Publication Date |
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JPWO2013002270A1 true JPWO2013002270A1 (ja) | 2015-02-23 |
JP5815709B2 JP5815709B2 (ja) | 2015-11-17 |
Family
ID=47424161
Family Applications (1)
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JP2013522902A Active JP5815709B2 (ja) | 2011-06-27 | 2012-06-27 | 硬質合金および切削工具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9228252B2 (ja) |
EP (1) | EP2725111B1 (ja) |
JP (1) | JP5815709B2 (ja) |
CN (1) | CN103635599B (ja) |
WO (1) | WO2013002270A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014084389A1 (ja) * | 2012-11-29 | 2014-06-05 | 京セラ株式会社 | 総形刃物および木材用総形工具 |
JP6169913B2 (ja) * | 2013-07-26 | 2017-07-26 | 京セラ株式会社 | 切削工具 |
JP6227517B2 (ja) * | 2014-11-20 | 2017-11-08 | 日本特殊合金株式会社 | 超硬合金 |
DE112015005350T5 (de) * | 2014-11-27 | 2017-08-10 | Kyocera Corporation | Cermet und Schneidwerkzeug |
JP2016108668A (ja) * | 2014-12-05 | 2016-06-20 | 株式会社日立製作所 | 複合部材および複合部材の製造方法 |
US10837104B2 (en) * | 2015-08-29 | 2020-11-17 | Kyocera Corporation | Coated tool |
CN106041092A (zh) * | 2016-08-19 | 2016-10-26 | 合肥东方节能科技股份有限公司 | 一种基于WC‑10Co硬质合金低压烧结成型导卫导轮的方法 |
CN106216673A (zh) * | 2016-08-22 | 2016-12-14 | 合肥东方节能科技股份有限公司 | 一种基于放电等离子的硬质合金烧结成型导轮的方法 |
CN106077668A (zh) * | 2016-08-22 | 2016-11-09 | 合肥东方节能科技股份有限公司 | 一种基于热等静压的硬质合金烧结成型导轮的方法 |
CN106312075A (zh) * | 2016-08-22 | 2017-01-11 | 合肥东方节能科技股份有限公司 | 一种基于还原碳化的硬质合金烧结成型导卫导轮的方法 |
CN107385302A (zh) * | 2017-07-24 | 2017-11-24 | 苏州宏久航空防热材料科技有限公司 | 一种高硬度Ti(C,N)基金属陶瓷刀具复合材料 |
CN112399898A (zh) * | 2019-06-13 | 2021-02-23 | 住友电工硬质合金株式会社 | 切削工具 |
WO2021079561A1 (ja) * | 2019-10-25 | 2021-04-29 | 住友電気工業株式会社 | 超硬合金及びそれを基材として含む切削工具 |
JP6969732B1 (ja) * | 2020-04-15 | 2021-11-24 | 住友電工ハードメタル株式会社 | 超硬合金およびそれを含む切削工具 |
WO2022091343A1 (ja) * | 2020-10-30 | 2022-05-05 | 住友電工ハードメタル株式会社 | 超硬合金及びそれを備える切削工具 |
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JPS5471104A (en) * | 1977-11-18 | 1979-06-07 | Toshiba Tungaloy Co Ltd | Antiiseparating surface coating of super hard alloy |
JPH04285287A (ja) * | 1991-03-13 | 1992-10-09 | Mitsubishi Materials Corp | 炭化タングステン基超硬合金製鉱山・建設用工具 |
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 |
JPH0711375A (ja) * | 1992-10-26 | 1995-01-13 | Kobe Steel Ltd | 超硬合金、硬質炭素膜被覆超硬合金および超硬合金の製造方法並びにこれらの合金を応用した工具 |
JPH10138027A (ja) * | 1996-11-11 | 1998-05-26 | Shinko Kobelco Tool Kk | ドリル用超硬合金および該合金を用いたプリント基板穿孔用ドリル |
JP2009275237A (ja) * | 2008-05-12 | 2009-11-26 | Dijet Ind Co Ltd | 超硬質合金 |
WO2011002008A1 (ja) * | 2009-06-30 | 2011-01-06 | 株式会社タンガロイ | サーメットおよび被覆サーメット |
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SE9802487D0 (sv) * | 1998-07-09 | 1998-07-09 | Sandvik Ab | Cemented carbide insert with binder phase enriched surface zone |
SE522730C2 (sv) * | 2000-11-23 | 2004-03-02 | Sandvik Ab | Metod för tillverkning av en belagd hårdmetallkropp avsedd för skärande bearbetning |
US6660329B2 (en) * | 2001-09-05 | 2003-12-09 | Kennametal Inc. | Method for making diamond coated cutting tool |
DE10342364A1 (de) * | 2003-09-12 | 2005-04-14 | Kennametal Widia Gmbh & Co.Kg | Hartmetall-oder Cermetkörper und Verfahren zu seiner Herstellung |
EP2184122A1 (en) * | 2008-11-11 | 2010-05-12 | Sandvik Intellectual Property AB | Cemented carbide body and method |
-
2012
- 2012-06-27 WO PCT/JP2012/066409 patent/WO2013002270A1/ja active Application Filing
- 2012-06-27 EP EP12805235.4A patent/EP2725111B1/en active Active
- 2012-06-27 CN CN201280030611.XA patent/CN103635599B/zh active Active
- 2012-06-27 JP JP2013522902A patent/JP5815709B2/ja active Active
- 2012-06-27 US US14/129,492 patent/US9228252B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5471104A (en) * | 1977-11-18 | 1979-06-07 | Toshiba Tungaloy Co Ltd | Antiiseparating surface coating of super hard alloy |
JPH04285287A (ja) * | 1991-03-13 | 1992-10-09 | Mitsubishi Materials Corp | 炭化タングステン基超硬合金製鉱山・建設用工具 |
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 |
JPH0711375A (ja) * | 1992-10-26 | 1995-01-13 | Kobe Steel Ltd | 超硬合金、硬質炭素膜被覆超硬合金および超硬合金の製造方法並びにこれらの合金を応用した工具 |
JPH10138027A (ja) * | 1996-11-11 | 1998-05-26 | Shinko Kobelco Tool Kk | ドリル用超硬合金および該合金を用いたプリント基板穿孔用ドリル |
JP2009275237A (ja) * | 2008-05-12 | 2009-11-26 | Dijet Ind Co Ltd | 超硬質合金 |
WO2011002008A1 (ja) * | 2009-06-30 | 2011-01-06 | 株式会社タンガロイ | サーメットおよび被覆サーメット |
Also Published As
Publication number | Publication date |
---|---|
EP2725111B1 (en) | 2019-10-02 |
US20140127527A1 (en) | 2014-05-08 |
JP5815709B2 (ja) | 2015-11-17 |
CN103635599B (zh) | 2016-03-30 |
EP2725111A1 (en) | 2014-04-30 |
WO2013002270A1 (ja) | 2013-01-03 |
EP2725111A4 (en) | 2015-07-22 |
US9228252B2 (en) | 2016-01-05 |
CN103635599A (zh) | 2014-03-12 |
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