JP7429188B2 - 耐摩耗性の層 - Google Patents
耐摩耗性の層 Download PDFInfo
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- JP7429188B2 JP7429188B2 JP2020521400A JP2020521400A JP7429188B2 JP 7429188 B2 JP7429188 B2 JP 7429188B2 JP 2020521400 A JP2020521400 A JP 2020521400A JP 2020521400 A JP2020521400 A JP 2020521400A JP 7429188 B2 JP7429188 B2 JP 7429188B2
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- wear
- resistant
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- resistant layer
- mixture
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Classifications
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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
- B22F2207/00—Aspects of the compositions, gradients
- B22F2207/11—Gradients other than composition gradients, e.g. size gradients
- B22F2207/13—Size gradients
-
- 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
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/10—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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
-
- 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
- B22F3/1035—Liquid phase sintering
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/52—Ceramics
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- 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
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- Manufacturing & Machinery (AREA)
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- Powder Metallurgy (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Wrappers (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Photoreceptors In Electrophotography (AREA)
- Paints Or Removers (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Coating By Spraying Or Casting (AREA)
Description
a<b<c<d<……
b1/a2>1.1;c1/b2>1.1;d1/c2>1.1……
b/a>1.5;c/b>1.5;d/c>1.5……………
耐摩耗性の層の一例は、多峰性の耐摩耗性粒子の粒径分布を有する複数の耐摩耗性粒子を含み、小さい粒径の耐摩耗性粒子は、耐摩耗性粒子12、14、16、18の総重量に基づいて、50重量パーセントを超える。
基板は、一般的に、任意の適切な基板とすることができ、その例には、鉱業または他の産業で使用されるドリルビット、他のダウンホール機器、掘削機用バケットの歯、チゼル、およびブレードが含まれるが、これらに限定されない。
・炭化物が単峰性の粒径分布を持つ従来の組成物と比較して、実施形態は、耐摩耗性の層における耐摩耗性粒子の充填密度と体積分率を改善し、それにより平均自由行程が減少し、亀裂に対する耐性を犠牲にすることなく、摩耗と浸食に対する耐性が増加する。
・耐摩耗性の層組成物は、固い粒子の質量密度がより少ない従来技術の耐摩耗コーティング層よりも優れた性能を得ることができ、より高い耐亀裂性を有することができる。
Claims (15)
- 基板(13)上に耐摩耗性の層(10、20、22、60、102)を形成するための混合物であって、該混合物は、
第1の耐摩耗性粒子タイプ(12)の粒子および第2の耐摩耗性粒子タイプ(14)の粒子と、
前記耐摩耗性の層(10、20、22、60、102)の形成時に、前記第1および第2の耐摩耗性粒子を結合するための、金属結合材料を含む耐摩耗性層結合剤(13)と
を含み、
前記第1の耐摩耗性粒子タイプ(12)および前記第2の耐摩耗性粒子タイプ(14)の耐摩耗性粒子の粒径分布は、それぞれ第1のモード径、第2のモード径を有し、前記第1の粒子タイプ(12)は前記第1のモード径に関連し、前記第2の粒子タイプ(14)は前記第2のモード径に関連し、前記第1のモード径に関連する第1の耐摩耗性粒子の数NSは、前記第2のモード径に関連する第2の耐摩耗性粒子の数NLよりも多く、前記第2のモード径は前記第1のモード径よりも大きく、前記第2の耐摩耗性粒子は鋳造タングステンカーバイドを含み、
前記混合物は、前記第1の耐摩耗性粒子および前記第2の耐摩耗性粒子を35~60重量%、前記耐摩耗性層結合剤を40~65重量%含有する、混合物。 - 前記混合物は粉末(71)の形態である、請求項1に記載の混合物。
- 前記第2のモード径に関連する前記第2の粒子の数NLは、耐摩耗性粒子の総数NS+NLの30%未満であり、前記第1のモード径に関連する第1の粒子の数NSは、耐摩耗性粒子の総数NS+NLの70%を超える、請求項1または2に記載の混合物。
- 前記第2のモード径は第1のモード径の2倍よりも大きい、請求項1~3のいずれか一項に記載の混合物。
- 前記第2の耐摩耗性粒子(D50)のメジアン径D50Lは、前記第1の耐摩耗性粒子のメジアン径D50Sの2倍よりも大きい、請求項1~4のいずれか一項に記載の混合物。
- 前記第1および第2の耐摩耗性粒子は、10μm~1.2mmの範囲の粒径を有する、請求項1~5のいずれか一項に記載の混合物。
- 前記第1の耐摩耗性粒子は、タングステンカーバイド、ジタングステンカーバイド(W2C)とタングステンカーバイド(WC)の共融混合物、天然ダイヤモンド、カプセル化されたダイヤモンドグリット、粉砕した多結晶ダイヤモンドコンパクト、炭化物、窒化物、遷移金属の酸化物、丸形鋳造炭化物、角形鋳造炭化物、固められたタングステンカーバイドのペレット、固められたタングステンカーバイド、鋳造タングステンカーバイド、およびモノタングステンカーバイドのうちの少なくとも1つを含む、請求項1~6のいずれか一項に記載の混合物。
- 前記金属結合材料は、銅、スズ、銀、コバルト、ニッケル、ホウ素、カドミウム、マンガン、亜鉛、鉄、クロム、ビスマス、シリコン、またはそれらの合金の少なくとも1つを含む、請求項1~7のいずれか一項に記載の混合物。
- 前記混合物は、35重量%~50重量%の前記第1および第2の耐摩耗性粒子と、50重量%~65重量%の耐摩耗性層結合剤とを含む、請求項1~8のいずれか一項に記載の混合物。
- 前記混合物は、30重量%~50重量%の耐摩耗性層結合剤(13)と、10重量%~30重量%の第1の粒径範囲内の鋳造タングステン粉末と、30重量%~50重量%の第2の粒径範囲内のタングステンカーバイド粉末とを含む、請求項1~9のいずれか一項に記載の混合物。
- 基板上の耐摩耗性の層であって、前記耐摩耗性の層(10、20、22、60、102)は、
金属結合材料を含む耐摩耗性層結合剤(13)によって結合された第1の耐摩耗性粒子タイプ(12)および第2の耐摩耗性粒子タイプ(14)を含み、前記第1の耐摩耗性粒子タイプ(12)および前記第2の耐摩耗性粒子タイプ(14)の耐摩耗性粒子の粒径分布は、それぞれ第1のモード径、第2のモード径を有し、前記第1の粒子タイプ(12)は前記第1のモード径に関連し、前記第2の粒子タイプ(14)は前記第2のモード径に関連し、前記第1のタイプ(12)の耐摩耗性粒子の数NSは、前記第2のタイプ(14)の耐摩耗性粒子の数NLよりも多く、前記第2のモード径は前記第1のモード径よりも大きく、前記第2の耐摩耗性粒子は鋳造タングステンカーバイドを含み、
前記混合物は、前記第1の耐摩耗性粒子および前記第2の耐摩耗性粒子を35~60重量%、前記耐摩耗性層結合剤を40~65重量%含有する、耐摩耗性の層。 - 前記耐摩耗性の層(10、20、22、60、102)は、請求項1~10の前記混合物を含む、請求項11に記載の耐摩耗性の層。
- 請求項1~10の前記混合物を用いて基板(50、72)上に耐摩耗性の層(10、20、22、60、102)を形成する方法であって、
前記混合物を前記基板(50、72)に付着させるステップと、
前記耐摩耗性の層を形成するための前記第1および第2の耐摩耗性粒子と前記耐摩耗性層結合剤(13)との前記混合物を加熱するステップとを含む方法。 - 前記方法は、金属結合材料のモノリシックマトリックスを形成するために前記金属結合材料を溶融するステップを含み、前記方法は、前記金属結合材料を溶融させて、前記第1および/または第2の耐摩耗性粒子に前記金属結合材料を浸透させるようするステップをさらに含む、請求項13に記載の方法。
- 前記混合物を加熱するステップ、したがって前記第1および第2の耐摩耗性粒子と、前記耐摩耗性層結合剤(13)とを加熱するステップをさらに含む、請求項13または14に記載の方法。
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US20200346285A1 (en) | 2020-11-05 |
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US11819913B2 (en) | 2023-11-21 |
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WO2019087097A2 (en) | 2019-05-09 |
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