METHODS OF ATTACHING A POLYCRYSTALLINE DIAMOND COMPACT TO A SUBSTRATE AND CUTTING ELEMENTS FORMED USING SUCH METHODS
Methods of attaching a polycrystalline diamond compact (PDC) element to a substrate include maintaining a gap between the PDC element and an adjacent substrate, and at least substantially filling the gap with a deposition process. Methods of forming a cutting element for an earth-boring tool include...
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Format | Patent |
Language | English French |
Published |
27.06.2013
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Abstract | Methods of attaching a polycrystalline diamond compact (PDC) element to a substrate include maintaining a gap between the PDC element and an adjacent substrate, and at least substantially filling the gap with a deposition process. Methods of forming a cutting element for an earth-boring tool include forming a PDC element by pressing diamond crystals together, forming a substrate including a particulate carbide material and a matrix material, leaving a gap between at least portions of the PDC element and the substrate, masking surfaces of the PDC element and of the substrate that do not face the gap, and forming an adhesion material on surfaces of the PDC element and of the substrate that face the gap. Cutting elements for earth-boring tools include a PDC element attached to a substrate with at least one of diamond, diamond-like carbon, a carbide material, a nitride material, and a cubic boron nitride material.
La présente invention porte sur des procédés de fixation d'un élément de compact de diamant polycristallin (PDC) à un substrat qui comprennent le maintien d'un intervalle entre l'élément PDC et un substrat adjacent et au moins le remplissage substantiel de l'intervalle avec un procédé de dépôt. Les procédés de formation d'un élément de coupe pour un outil de forage du sol comprennent la formation d'un élément PDC par compression de cristaux de diamant, la formation d'un substrat comprenant une matière de carbure particulaire et une matière de matrice, le fait de laisser un intervalle entre au moins des parties de l'élément PDC et du substrat, le masquage des surfaces de l'élément PDC et du substrat qui ne sont pas tournées vers l'intervalle et la formation d'une matière d'adhérence sur des surfaces de l'élément PDC et du substrat qui sont tournées vers l'intervalle. Des éléments de coupe pour des outils de forage du sol comprennent un élément PDC fixé à un substrat ayant au moins un diamant, un carbone de type diamant, une matière de carbure, une matière de nitrure et une matière de nitrure de bore cubique. |
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AbstractList | Methods of attaching a polycrystalline diamond compact (PDC) element to a substrate include maintaining a gap between the PDC element and an adjacent substrate, and at least substantially filling the gap with a deposition process. Methods of forming a cutting element for an earth-boring tool include forming a PDC element by pressing diamond crystals together, forming a substrate including a particulate carbide material and a matrix material, leaving a gap between at least portions of the PDC element and the substrate, masking surfaces of the PDC element and of the substrate that do not face the gap, and forming an adhesion material on surfaces of the PDC element and of the substrate that face the gap. Cutting elements for earth-boring tools include a PDC element attached to a substrate with at least one of diamond, diamond-like carbon, a carbide material, a nitride material, and a cubic boron nitride material.
La présente invention porte sur des procédés de fixation d'un élément de compact de diamant polycristallin (PDC) à un substrat qui comprennent le maintien d'un intervalle entre l'élément PDC et un substrat adjacent et au moins le remplissage substantiel de l'intervalle avec un procédé de dépôt. Les procédés de formation d'un élément de coupe pour un outil de forage du sol comprennent la formation d'un élément PDC par compression de cristaux de diamant, la formation d'un substrat comprenant une matière de carbure particulaire et une matière de matrice, le fait de laisser un intervalle entre au moins des parties de l'élément PDC et du substrat, le masquage des surfaces de l'élément PDC et du substrat qui ne sont pas tournées vers l'intervalle et la formation d'une matière d'adhérence sur des surfaces de l'élément PDC et du substrat qui sont tournées vers l'intervalle. Des éléments de coupe pour des outils de forage du sol comprennent un élément PDC fixé à un substrat ayant au moins un diamant, un carbone de type diamant, une matière de carbure, une matière de nitrure et une matière de nitrure de bore cubique. |
Author | VEMPATI, CHAITANYA, K PATEL, SURESH, G |
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DocumentTitleAlternate | PROCÉDÉS DE FIXATION D'UN COMPACT DE DIAMANT POLYCRISTALLIN À UN SUBSTRAT ET ÉLÉMENTS DE COUPE FORMÉS À L'AIDE DE TELS PROCÉDÉS |
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RelatedCompanies | BAKER HUGHES INCORPORATED VEMPATI, CHAITANYA, K PATEL, SURESH, G |
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Snippet | Methods of attaching a polycrystalline diamond compact (PDC) element to a substrate include maintaining a gap between the PDC element and an adjacent... |
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SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GRINDING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS POLISHING TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING |
Title | METHODS OF ATTACHING A POLYCRYSTALLINE DIAMOND COMPACT TO A SUBSTRATE AND CUTTING ELEMENTS FORMED USING SUCH METHODS |
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