JP2011523681A - 超硬合金−金属合金複合体 - Google Patents
超硬合金−金属合金複合体 Download PDFInfo
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- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 98
- 239000002131 composite material Substances 0.000 title claims abstract description 89
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- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 16
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- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 15
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- 239000011651 chromium Substances 0.000 claims description 9
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- 229910052720 vanadium Inorganic materials 0.000 claims description 8
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- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 6
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
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- 230000035945 sensitivity Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
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- 239000004593 Epoxy Substances 0.000 description 1
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- -1 tungsten carbide Chemical class 0.000 description 1
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- 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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- 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
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- 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
- B22F2998/10—Processes characterised by the sequence of their steps
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- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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Abstract
【選択図】 図1a
Description
[0064]図1Aは、本発明による以下の方法を用いて製造された、ニッケル部分112、212に金属結合している超硬合金部分110、210から構成された超硬合金−金属複合体物品100、200を示す。70%の炭化タングステン、18%のコバルト、及び12%のニッケルから構成された超硬合金粉末(Madison, Alabama, USAのATI Firth SterlingからFL30粉末として商業的に入手できる)の層を、成形型内に、ニッケル粉末(Wyckoff, New Jersey, USAのInco Special ProductsからIncoタイプ123高純度ニッケルとして商業的に入手できる)の層と接触させて配置し、共圧縮して、成形した粉末材料の2つの別個の層から構成される単一のグリーン成形体を形成した。圧縮(又は成形)は、約20,000psiのプレス圧を用いて100トンの液圧プレス中で行った。得られたグリーン成形体は、直径約1.5インチで長さ約2インチの円筒形であった。超硬合金層は長さ約0.7インチであり、ニッケル層は長さ約1.3インチであった。圧縮の後、複合体成形体を真空炉中1380℃において焼結した。焼結中の成形体の線収縮は、全ての方向に沿って約18%であった。複合体焼結物品の外径上を研磨し、1つの物品のニッケル部分212内にネジを機械加工した。図1Bは、物品100及び200の、超硬合金材料300とニッケル材料301との界面における微細構造を示す。図1Bは、超硬合金及びニッケルの部分が、界面領域302において一緒に金属結合していることを明確に示す。界面領域に亀裂は見られなかった。
[0065]図2は、本発明による粉末金属圧縮及び焼結法によって製造された3つの別々の層を含む超硬合金−金属合金複合体物品400を示す。第1の層401は、FL30(上記を参照)から形成された超硬合金から構成されていた。第2の層402はニッケル粉末から形成されたニッケルから構成されており、第3の層403は鋼粉末から形成された鋼から構成されていた。複合体を製造するために用いた方法は、2つの層に代えて粉末の3つの層を一緒に共圧縮してグリーン成形体を形成した他は実施例1において用いた方法と実質的に同じであった。3つの層は、均一に一緒に金属結合して複合体物品を形成しているように見えた。焼結物品の外側の超硬合金及びニッケルの領域の間の界面の近傍において亀裂は見られなかった。
[0066]本発明にしたがって、以下の方法を用いて超硬合金部分及びタングステン合金部分から構成される複合体物品を製造した。超硬合金粉末(FL30粉末)の層を、成形型内に、タングステン合金粉末(70%のタングステン、24%のニッケル、及び6%の銅から構成)の層と接触させて配置し、共圧縮して、成形粉末の2つの別個の層から構成される単一の複合体グリーン成形体を形成した。圧縮(又は成形)は、約20,000psiのプレス圧を用いて100トンの液圧プレス中で行った。グリーン成形体は、直径約1.5インチで長さ約2インチの円筒形であった。超硬合金層は長さ約1.0インチであり、タングステン合金層も長さ約1.0インチであった。圧縮の後、複合体成形体を水素中1400℃において焼結して、タングステン合金を焼結する際の酸化を最小化又は排除した。焼結中の成形体の線収縮は、全ての方向に沿って約18%であった。図3は、超硬合金502及びタングステン合金500の部分が、界面501において一緒に金属結合していることを明確に示す微細構造を示す。界面領域において亀裂は見られなかった。
Claims (33)
- 超硬粒子を含む第1の領域;及び
鋼、ニッケル、ニッケル合金、チタン、チタン合金、モリブデン、モリブデン合金、コバルト、コバルト合金、タングステン、及びタングステン合金から選択される金属及び金属合金の1つを含む第2の領域;
を含み、第1の領域が第2の領域に金属結合しており、第1の領域及び第2の領域が100ミクロンよりも大きい厚さを有する、複合体焼結粉末金属物品。 - 第2の領域の金属又は金属合金が超硬粒子の熱伝導率よりも低い熱伝導率を有する、請求項1に記載の複合体焼結粉末金属物品。
- 第2の領域の金属又は金属合金が100W/mKよりも低い熱伝導率を有する、請求項2に記載の複合体焼結粉末金属物品。
- 第2の領域の金属又は金属合金が1200℃よりも高い融点を有する、請求項1に記載の複合体焼結粉末金属物品。
- 第2の領域の金属又は金属合金が、50体積%以下の、炭化物、窒化物、ホウ化物、ケイ化物、酸化物、及びこれらの固溶体から選択される1種類以上の硬質粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- 第2の領域の金属又は金属合金が50体積%以下の炭化タングステン粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- 超硬粒子が連続バインダー相中に分散している硬質粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- 硬質粒子が、炭化物、窒化物、ホウ化物、ケイ化物、酸化物、及びこれらの固溶体から選択される1種類以上の粒子を含み、バインダー相が、コバルト、コバルト合金、モリブデン、モリブデン合金、ニッケル、ニッケル合金、鉄、及び鉄合金の少なくとも1つを含む、請求項7に記載の複合体焼結粉末金属物品。
- 硬質粒子が、チタン、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオブ、及びタングステンから選択される少なくとも1種類の遷移金属の炭化物粒子を含む、請求項7に記載の複合体焼結粉末金属物品。
- 超硬粒子が炭化タングステン粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- 炭化タングステン粒子が0.3〜10μmの平均粒径を有する、請求項10に記載の複合体焼結粉末金属物品。
- バインダー相がコバルトを含む、請求項7に記載の複合体焼結粉末金属物品。
- 超硬粒子が2〜40体積%の連続バインダー相、及び60〜98体積%の連続バインダー相中に分散している硬質粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- 超硬粒子がハイブリッド超硬合金の粒子を含む、請求項1に記載の複合体焼結粉末金属物品。
- ハイブリッド超硬合金粒子が、
超硬合金連続相;及び
超硬合金連続相中に分散している超硬合金分散相;
を含み、ハイブリッド超硬合金粒子中の超硬合金分散相の接触率が0.48以下である、請求項14に記載の複合体焼結粉末金属物品。 - ハイブリッド超硬合金粒子中の超硬合金分散相の体積分率が50体積%未満であり、ハイブリッド超硬合金相中の超硬合金分散相の接触率が、ハイブリッド超硬合金粒子中の分散相の体積分率の1.5倍以下である、請求項14に記載の複合体焼結粉末金属物品。
- 成形型の第1の領域内に、硬質粒子及び粉末状バインダーを含む第1の粉末を与え;
成形型の第2の領域内に第2の粉末を与え、ここで第2の粉末は第1の粉末と接触し、鋼粉末、ニッケル粉末、ニッケル合金粉末、モリブデン粉末、モリブデン合金粉末、チタン粉末、チタン合金粉末、コバルト粉末、コバルト合金粉末、タングステン粉末、及びタングステン合金粉末から選択される金属粉末及び金属合金粉末の少なくとも1つを含み;
成形型内で第1の粉末及び第2の粉末を成形してグリーン成形体を与え;
グリーン成形体を焼結して、第1の粉末から形成され、第2の粉末から形成される金属質の第2の領域に金属結合している超硬粒子領域を含む複合体焼結粉末金属物品を与える;
ことを含む、複合体焼結粉末金属物品の製造方法。 - 金属質の第2の領域の熱伝導率が超硬粒子領域の熱伝導率よりも低い、請求項17に記載の方法。
- 金属質の第2の領域の熱伝導率が100W/mK未満である、請求項8に記載の方法。
- 金属質の第2の領域の融点が1200℃より高い、請求項17に記載の方法。
- 金属質の第2の領域が、50体積%以下の、炭化物、窒化物、ホウ化物、ケイ化物、酸化物、及びこれらの固溶体からなる群から選択される1種類以上の硬質粒子を含む、請求項17に記載の方法。
- 金属質の第2の領域が50体積%以下の炭化タングステン粒子を含む、請求項17に記載の方法。
- 超硬粒子領域が連続バインダー相中に分散している硬質粒子を含む、請求項17に記載の方法。
- 硬質粒子が、炭化物、窒化物、ホウ化物、ケイ化物、酸化物、及びこれらの固溶体から選択される1種類以上の硬質粒子を含み、バインダー相が、コバルト、コバルト合金、モリブデン、モリブデン合金、ニッケル、ニッケル合金、鉄、及び鉄合金の少なくとも1つを含む、請求項23に記載の方法。
- 硬質粒子が、チタン、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオブ、及びタングステンから選択される少なくとも1種類の遷移金属の炭化物粒子を含む、請求項23に記載の方法。
- 超硬粒子領域が炭化タングステン粒子を含む、請求項17に記載の方法。
- 炭化タングステン粒子が0.3〜10μmの平均粒径を有する、請求項26に記載の方法。
- バインダー相がコバルトを含む、請求項23に記載の方法。
- 超硬粒子領域が2〜40体積%の連続バインダー相及び60〜98体積%の連続バインダー相中に分散している硬質粒子を含む、請求項17に記載の方法。
- 超硬粒子領域がハイブリッド超硬合金の粒子を含む、請求項17に記載の方法。
- ハイブリッド超硬合金粒子が、
超硬合金連続相;及び
超硬合金連続相中に分散している超硬合金分散相;
を含み、ハイブリッド超硬合金粒子中の超硬合金分散相の接触率が0.48以下である、請求項30に記載の方法。 - ハイブリッド超硬合金粒子中の超硬合金分散相の体積分率が50体積%未満であり、ハイブリッド超硬合金粒子中の超硬合金分散相の接触率が、ハイブリッド超硬合金粒子中の分散相の体積分率の1.5倍以下である、請求項31に記載の方法。
- 金属質の第2の領域が少なくとも100ミクロンの厚さを有する、請求項17に記載の方法。
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CN102990069A (zh) * | 2012-12-10 | 2013-03-27 | 湖南世纪特种合金有限公司 | 一种利用废钨钴合金制作粗晶硬质合金截齿的制备方法 |
CN102994792A (zh) * | 2012-12-10 | 2013-03-27 | 湖南世纪特种合金有限公司 | 一种高强度、高硬度纳米晶钨钴硬质合金的制备方法 |
CN102990069B (zh) * | 2012-12-10 | 2016-04-20 | 湖南世纪钨材股份有限公司 | 一种利用废钨钴合金制作粗晶硬质合金截齿的制备方法 |
CN104451322A (zh) * | 2014-11-25 | 2015-03-25 | 广东工业大学 | 一种碳化钨基硬质合金及其制备方法 |
CN106312043A (zh) * | 2015-06-18 | 2017-01-11 | 河北小蜜蜂工具集团有限公司 | 一种多性能油井钻头用的胎体配方及其制备方法 |
WO2019069701A1 (ja) * | 2017-10-02 | 2019-04-11 | 日立金属株式会社 | 超硬合金複合材およびその製造方法ならびに超硬工具 |
CN111132782A (zh) * | 2017-10-02 | 2020-05-08 | 日立金属株式会社 | 超硬合金复合材料及其制造方法以及超硬工具 |
JPWO2019069701A1 (ja) * | 2017-10-02 | 2020-11-19 | 日立金属株式会社 | 超硬合金複合材およびその製造方法ならびに超硬工具 |
WO2023037577A1 (ja) | 2021-09-10 | 2023-03-16 | 株式会社プロテリアル | サーメット複合材及びその製造方法、並びにサーメット工具 |
Also Published As
Publication number | Publication date |
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BRPI0913591A2 (pt) | 2017-09-26 |
US20120237386A1 (en) | 2012-09-20 |
US8221517B2 (en) | 2012-07-17 |
JP2015078435A (ja) | 2015-04-23 |
WO2009149071A2 (en) | 2009-12-10 |
US20090293672A1 (en) | 2009-12-03 |
BRPI0913591A8 (pt) | 2017-11-21 |
RU2010154427A (ru) | 2012-07-20 |
CN102112642A (zh) | 2011-06-29 |
RU2499069C2 (ru) | 2013-11-20 |
WO2009149071A3 (en) | 2010-06-17 |
EP2653580A1 (en) | 2013-10-23 |
CN102112642B (zh) | 2013-11-06 |
EP2300628A2 (en) | 2011-03-30 |
UA103620C2 (ru) | 2013-11-11 |
IL209347A0 (en) | 2011-01-31 |
CA2725318A1 (en) | 2009-12-10 |
EP2653580B1 (en) | 2014-08-20 |
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