JP2018513928A - 超硬質構造物とその製造方法 - Google Patents
超硬質構造物とその製造方法 Download PDFInfo
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- JP2018513928A JP2018513928A JP2017545337A JP2017545337A JP2018513928A JP 2018513928 A JP2018513928 A JP 2018513928A JP 2017545337 A JP2017545337 A JP 2017545337A JP 2017545337 A JP2017545337 A JP 2017545337A JP 2018513928 A JP2018513928 A JP 2018513928A
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Classifications
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- 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
- E21B10/5735—Interface between the substrate and the cutting element
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
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- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- C04B35/52—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 carbon, e.g. graphite
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- C04B35/528—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 carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
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- C04B35/5831—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride based on cubic boron nitrides or Wurtzitic boron nitrides, including crystal structure transformation of powder
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
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- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/025—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of glass or ceramic material
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- 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
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/026—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of metals or metal salts
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- 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
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- 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
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Abstract
Description
当たり面を形成する露出面及び周囲のサイドエッジを有する耐熱性多結晶性超硬質材料の本体を含んでなる第1の領域と、
第1の領域に対して基質を形成する第2の領域と、
第1及び第2の領域の間に少なくとも部分的に挿入された第3の領域と、
を含んでなる超硬質多結晶性構造物であって、
第3の領域が、コバルトを含んでなるバインダー−触媒相を有する多結晶ダイヤモンド材料よりも耐酸性の材料、及び/又は超硬合金材料よりも耐酸性の材料を含んでなる、超硬質多結晶性構造物を提供する。
当たり面の一部を形成する自由な外部表面を有する耐熱性多結晶性超硬質材料の本体を含んでなる第1の領域と、
第1の領域に対して基質を形成する第2の領域と、
第1及び第2の領域の間に少なくとも部分的に挿入された第3の領域と、
を含んでなる露出された当たり面を有する超硬質多結晶性構造物であって、
第3の領域が、約4MPa√m〜約15MPa√mの破壊靱性を有するセラミック材料を含んでなり、第3の領域が、当たり面まで延在して、当たり面の更なる一部を形成する、超硬質多結晶性構造物を提供する。
Co(NO3)2 + Na2CO3 → CoCO3 + 2NaNO3
を使用して、ダイヤモンド粒子表面上に堆積しても良い。
CoCO3 → CoO + CO2
CoO + H2 → Co + H2O
などの熱分解反応によって、コバルト及び水に変換しても良い。
図3、4及び11の超硬質構造物は、以下のように形成しても良い。
図5〜9の超硬質材料は、以下のように形成しても良い。
図10の超硬質材料は、以下のように形成しても良い。
図3、4及び11の超硬質材料は、別法として以下のように形成しても良い。
図5〜9の超硬質材料は、別法として以下のように形成しても良い。
図5〜9の超硬質材料は、別法として以下のように形成しても良い。
Claims (51)
- 当たり面を形成する露出面及び周囲のサイドエッジを有する耐熱性多結晶超硬質材料の本体を含んでなる第1の領域と、
前記第1の領域に対して基質を形成する第2の領域と、
前記第1及び第2の領域の間に少なくとも部分的に挿入された第3の領域と、
を含んでなる超硬質多結晶性構造物であって、
前記第3の領域が、コバルトを含んでなるバインダー−触媒相を有する多結晶ダイヤモンド材料よりも耐酸性の材料、及び/又は超硬合金材料よりも耐酸性の材料を含んでなる、超硬質多結晶性構造物。 - 前記第3の領域が、前記当たり面まで延在し、前記当たり面の部分を形成する、請求項1に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、約4MPa√m〜約15MPa√mの破壊靱性を有する、請求項1又は2に記載の超硬質多結晶性構造物。
- 前記第3の領域が外周面を有し、前記第1の領域が前記第3の領域の前記外周面の少なくとも一部の周りに延在する、請求項1〜3のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第1の領域が、前記第3の領域の1つ以上の隅に配置された1つ以上のセグメントを含んでなる、請求項1〜4のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、耐火金属を含んでなる、請求項1〜5のいずれか一項に記載の超硬質多結晶性構造物。
- 前記耐火金属が、ニオブ、モリブデン、タンタル、タングステン、レニウム、チタン、バナジウム、クロム、ジルコニウム、ハフニウム、ルテニウム、オスミウム及びイリジウム、又はそれらの合金のいずれか1つ以上を含んでなる、請求項6に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、サーメット材料を含んでなる、請求項1〜5のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、セラミック材料を含んでなる、請求項1〜5のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、PcBN、金属超合金、窒化ケイ素を基礎とした材料、ジルコニアを基礎とした材料、窒化ケイ素、炭化ケイ素、酸化アルミニウム、炭化チタン、窒化チタン、ホウ化チタン、炭化タングステン、ホウ化チタン、窒化アルミニウム、ホウ化アルミニウム、超合金チタンのいずれか1つ以上を含んでなる、請求項1〜5及び9のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域の前記材料が、タンタル、チタン、ジルコニウム、ハフニウム、バナジウム、ニオブ、モリブデン、タングステン、クロム、レニウム、マグネシウム、銅のいずれか1つ以上の酸化物、窒化物、炭化物、炭窒化物及び/又はオキシ炭化物のいずれか1つ以上を含んでなる、請求項1〜5のいずれか一項に記載の超硬質多結晶性構造物。
- 露出された当たり面を有する超硬質多結晶性構造物であって、
当たり面の一部を形成する自由な外部表面を有する耐熱性多結晶性超硬質材料の本体を含んでなる第1の領域と、
前記第1の領域に対して基質を形成する第2の領域と、
前記第1及び第2の領域の間に少なくとも部分的に挿入された第3の領域と、
を含んでなり、
前記第3の領域が、約4MPa√m〜約15MPa√mの破壊靱性を有するセラミック材料を含んでなり、前記第3の領域が、前記当たり面まで延在して、前記当たり面の更なる一部を形成する、超硬質多結晶性構造物。 - 前記第3の領域中の前記材料が、約6MPa√m〜約10MPa√mの破壊靱性を有する、請求項1〜12のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域中の前記材料が、約600MPa〜約2500MPaのTRSを有する、請求項1〜13のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域中の前記材料が、約1000MPa〜約2500MPaのTRSを有する、請求項1〜14のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、約10重量%以下の金属含有量を有する、請求項1〜15のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、約4重量%以下の金属含有量を有する、請求項1〜16のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、約5重量%以下の金属含有量を有する、請求項1〜17のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、約3重量%以下の金属含有量を有する、請求項1〜18のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、金属を実質的に含有しない、請求項1〜19のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第1の領域が、約95体積%〜約100体積%のダイヤモンド含有量を有する、請求項1〜20のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第1の領域がダイヤモンド用の触媒材料を実質的に含まず、前記領域が耐熱性の第1の領域を形成する、請求項1〜21のいずれか一項に記載の超硬質多結晶性構造物。
- 前記耐熱性の第1の領域が、最大で2重量パーセントのダイヤモンド用の触媒材料を含んでなる、請求項22に記載の超硬質多結晶性構造物。
- 前記耐熱性の第1の領域が、バインダレスPCD材料を含んでなる、請求項1〜23のいずれか一項に記載の超硬質多結晶性構造物。
- 前記耐熱性の第1の領域が、CVDダイヤモンドを含んでなる、請求項1〜24のいずれか一項に記載の超硬質多結晶性構造物。
- 前記耐熱性の第1の領域が、ナノダイヤモンド粒子から形成された多結晶性超硬質材料を含んでなる、請求項1〜25のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第1の領域が第1の接触面に沿って前記第2の領域と結合し、かつ前記第2の領域が第2の接触面に沿って前記第3の領域と結合し、前記第1又は第2の接触面の一方若しくは他方又は両方が実質的に非平面である、請求項1〜26のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第1又は第2の接触面の一方若しくは他方又は両方が、その中又はそれに沿って1つ以上の溝又は堀を有する、請求項27に記載の超硬質多結晶性構造物。
- 前記構造物が縦軸を有し、前記縦軸に平行な平面に沿って前記第3の領域の厚さが、約1mm〜約6.5mmである、請求項1〜28のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、それぞれ前記第1及び/又は第2の接触面に沿って、ろう付け接合又は焼結接合によって前記第1の領域及び/又は前記第2の領域と結合する、請求項1〜29のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域及び前記基質の間、又は前記第1の領域及び前記第2の領域の間に少なくとも部分的に挿入された第4の領域をさらに含んでなる、請求項1〜30のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第4の領域が、サーメット材料を含んでなる、請求項31に記載の超硬質多結晶性構造物。
- 前記第4の領域が、少なくとも1つの遷移金属化合物を含んでなる、請求項31又は32に記載の超硬質多結晶性構造物。
- 前記第4の領域が、約200MPa以上のTRSを有する材料を含んでなる、請求項31〜33のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、前記基質から前記当たり面に向かって延在し、前記第3の領域が外周面を有し、前記第1の領域が前記第3の領域の前記外周面の周りに延在する、請求項1〜34のいずれか一項に記載の超硬質多結晶性構造物。
- 前記多結晶性超硬質材料の本体が、周囲のサイドエッジに沿って前記当たり面から前記基質との前記接触面まで少なくとも約3mmの厚さを有し、かつ、
前記第3の領域の少なくとも一部が、前記構造物の前記縦軸に沿って延在する平面で測定された少なくとも約3mmの厚さを有する、請求項35に記載の超硬質多結晶性構造物。 - 前記第3の領域が、前記当たり面まで延在して前記当たり面の部分を形成する、請求項1〜36のいずれか一項に記載の超硬質多結晶性構造物。
- 前記第3の領域が、切削面から約0.5mm以下の距離まで延在する、請求項1〜37のいずれか一項に記載の超硬質多結晶性構造物。
- 前記多結晶性超硬質材料の本体が、天然及び/又は合成のダイヤモンド粒子、及び/又は立方晶窒化ホウ素粒子を含んでなる、請求項1〜38のいずれか一項に記載の超硬質多結晶性構造物。
- 前記基質が、超硬合金材料から形成される、請求項1〜39のいずれか一項に記載の超硬質多結晶性構造物。
- 前記超硬合金基質が、バインダー材料によって共に結合した炭化タングステン微粒子を含んでなる、請求項40に記載の超硬質多結晶性構造物。
- 前記バインダー材料が、Co、Ni及びCr、又はそれらの合金の1つ以上を含んでなる、請求項41に記載の超硬質多結晶性構造物。
- 前記当たり面から前記周囲のサイドエッジに沿って前記第1の領域の耐熱性領域までの深さが、少なくとも約3.5mm以上である、請求項1〜42のいずれか一項に記載の超硬質多結晶性構造物。
- 請求項1〜43のいずれか一項に記載の超硬質多結晶性構造物を含んでなる、地面穿孔用の回転式せん断ビット用又はハンマードリルビット用の超硬質多結晶性構造物。
- 請求項1〜43のいずれか一項に記載の超硬質多結晶性構造物を含んでなる工具であって、切削用、製粉用、破砕用、掘削用、地面穿孔用、岩石掘削用又はその他研磨剤用途用である、工具。
- 前記工具が、地面穿孔用又は岩石掘削用のドリルビットを含んでなる、請求項45に記載の工具。
- 前記工具が、油及びガス掘削に使用する回転式固定カッタービットを含んでなる、請求項45に記載の工具。
- 前記工具が、ローリングコーンドリルビット、拡孔工具、拡張可能な工具、リーマー又は他の地面穿孔工具である、請求項45に記載の工具。
- 請求項1〜43のいずれか一項に記載の超硬質多結晶性構造物を含んでなるドリルビット若しくはカッター、又はそれらの構成部品。
- 添付の図において実施形態が説明するようないずれか一つの実施形態を参照した、実質的に上述のような超硬質多結晶性構造物。
- 添付の図において実施形態が説明するようないずれか一つの実施形態を参照した、実質的に上述のような超硬質多結晶性構造物の製造方法。
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