Abstract: A surface-coated cutting tool includes a tool body and a hard coating layer, where one TiAlCN layer ? (1) containing 70 area % or more of a wurtzite type hexagonal structure on a tool surface side (S) and one TiAlCN layer ? (2) containing 70 area % or more of a NaCl type face-centered cubic structure on the tool body side (B), when a composition of the TiAlCN layer ? (1) is represented by (Ti(1-x?)Alx?)(Cy?N(1-y?)) satisfying 0.70?x??0.95 and 0.000?y??0.010, when a composition of the TiAlCN layer ? (2) is represented by (Ti(1-x?)Alx?)(Cy?N(1-y?)) satisfying 0.65?x??0.95 and 0.000?y??0.010, and when average layer thicknesses of the TiAlCN layer ? (1) and the TiAlCN layer ? (2) are defined as L? and L? satisfying 0.5 ?m?L??10.0 ?m and 1.0 ?m?L??20.0 ?m.

Abstract: A variety of superhyrdophobic porous materials are provided including a covalent organic framework having a plurality of perfluoroalkyl or perfluorheteroalkyl moieties covalently attached thereto. The materials can include a polymeric foam matrix made of a three-dimensional network of polymer fibers, and the covalent organic framework can be made encasing at least a portion of the polymer fibers. The covalent organic framework can be intertwined within the polymeric foam matrix such that the covalent organic framework encasing the portion of the polymer fibers is stable to mechanical compression of the polymeric foam matrix. Surfaces and other articles are provided including the superhyrdophobic porous materials are also provided, as are methods of making the superhyrdophobic porous materials, and methods of use for oil recovery among other things.

Abstract: A coating-substrate combination includes: a Ni-based superalloy substrate comprising, by weight percent: 2.0-5.1 Cr; 0.9-3.3 Mo; 3.9-9.8 W; 2.2-6.8 Ta; 5.4-6.5 Al; 1.8-12.8 Co; 2.8-5.8 Re; 2.8-7.2 Ru; and a coating comprising, exclusive of Pt group elements, by weight percent: Ni as a largest content; 5.8-9.3 Al; 4.4-25 Cr; 3.0-13.5 Co; up to 6.0 Ta, if any; up to 6.2 W, if any; up to 2.4 Mo, if any; 0.3-0.6 Hf; 0.1-0.4 Si; up to 0.6 Y, if any; up to 0.4 Zr, if any; up to 1.0 Re, if any.

Abstract: A system and method including a processing device. The processing device receives data including a first set of plasma exposure values each associated with a respective plasma element of a plurality of plasma elements designed to generate plasma related fluxes. The processing device causes a plasma controller to activate the set of plasma elements based on the data to expose a substrate to the plasma related fluxes generated by the set of plasma elements during a plasma process. Each respective plasma element of the set of plasma elements is activated for a duration based on a respective plasma exposure value from the first plurality of plasma exposure values that is associated with the respective plasma element.

Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is more than 0.500 and 0.800 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.30 or more and 0.75 or less, and a and c satisfy a relationship of a>c.

Abstract: An additive manufacturing system includes an electrode head comprising an array of electrodes for depositing material to form a three-dimensional part. The array includes a first plurality of electrodes formed from a first metallic material having a first ductility and a first hardness, and a second plurality of electrodes formed from a second metallic material having a second ductility and a second hardness, wherein the first ductility is greater than the second ductility and the second hardness is greater than the first hardness. A power source provides electrical power for establishing a welding arc for each electrode. A drive roll system drives each electrode.

Abstract: A filter (104a, 104b, 108) for a cathode arc source comprises: a filter duct having at least one bend (104a, 104b), and a first magnetic field source for steering plasma through the filter duct for removal of macroparticles from the plasma; wherein the apparatus comprises a second magnetic field source (108) which is rotatably mounted surrounding a portion of the filter duct. Cathode arc sources (102) and cathode arc deposition apparatuses (106) comprise the filters described herein, and methods of filtering macroparticles from a beam of plasma emitted from a cathode arc source use the filters.

Abstract: A method includes etching a first region by plasma etching such that an upper surface of the first region is provided at a deeper position within a substrate than a second region; forming a deposit containing carbon on the substrate by forming plasma of a hydrocarbon gas inside a chamber of a plasma processing apparatus; and further etching the first region by plasma etching. In the forming of the plasma of the hydrocarbon gas, magnetic field distribution in which a horizontal component on an edge side of the substrate is larger than a horizontal component on a center of the substrate is formed by an electromagnet.

Abstract: An ion implantation system, ion source, and method are provided, where an ion source is configured to ionize an aluminum-based ion source material and to form an ion beam and a by-product including a non-conducting material. An etchant gas mixture has a predetermined concentration of fluorine and a noble gas that is in fluid communication with the ion source. The predetermined concentration of fluorine is associated with a predetermined health safety level, such as approximately a 20% maximum concentration of fluorine. The etchant gas mixture can have a co-gas with a concentration less than approximately 5% of argon. The aluminum-based ion source material can be a ceramic member, such as a repeller shaft, a shield, or other member within the ion source.

Abstract: An arc ignition device for cathodic arc deposition of a target material onto a substrate, comprising a trigger finger arranged moveable between a contacting position and a resting position, wherein in the contacting position a side surface of an adjacent target can be physically contacted by the trigger finger, and in the resting position the adjacent target cannot be contacted by the trigger finger, wherein during cathodic arc deposition of a target material, the trigger finger is arranged movable between the contacting position and the resting position in such a way that the contamination of the trigger finger with deposited target material during the cathodic arc deposition of the target material can be minimized.

Abstract: A surface-coated cutting tool including a tool substrate containing WC crystal grains and insulating grains, and a coating layer composed of a multiple nitride of Ti, Al, and V and disposed on the surface of the tool substrate. The multiple nitride is represented by a compositional formula: TiaAlbVcN satisfying the following relations: 0.25?a?0.35, 0.64?b?0.74, 0<c?0.06, and a+b+c=1 wherein each of a, b, and c represents an atomic proportion. The coating layer is characterized by exhibiting a peak attributed to a hexagonal crystal phase and a peak attributed to a cubic crystal phase as observed through X-ray diffractometry.

Abstract: A method of manufacturing a hard-to-weld material by a beam-assisted additive manufacturing process is presented. The method includes depositing a first layer for the material onto the substrate, the first layer including a major fraction of a base material for the component and a minor fraction of a solder, depositing a second layer of the base material for the component and a thermal treatment of the layer arrangement. The thermal treatment includes a first thermal cycle at a first temperature above 1200° C. for a duration of more than 3 hours, a subsequent second thermal cycle at a second temperature above 1000° C. for more than 2 hours, and a subsequent third thermal cycle and a third temperature above 700° C. for more than 12 hours. A manufactured component is also presented.

Abstract: The present invention relates to a hard film having improved wear resistance and improved toughness. A hard film according to the present invention is formed by using a PVD method on a surface of a base material, wherein: the hard film includes a first hard layer and a second hard layer; the first hard layer has a thickness of approximately 0.1-3.0 ?m and is composed of Ti1-aAlaN (0.3?a?0.7), and has a single phase structure; and the second hard layer has a thickness of approximately 0.5-10 ?m and is composed of Ti1-a-bAlaMebN (0.3?a?0.7, 0?b?0.05, the Me being at least one selected from V, Zr, Si, Nb, Cr, Mo, Hf, Ta and W); according to an XRD phase analysis method, a ratio ([200]/[111]) of the intensity of a [200] peak to the intensity of a [111] peak is approximately 1.5 or higher; the second hard layer preferentially grows in a [200] direction; the [200] peak is located at approximately 42.7°-44.6° and is composed of three phases, and the [111] peak is located at approximately 37.0°-38.

Abstract: A sliding member capable of improving friction characteristics under an environment of a lubricant containing Mo, and a production method therefor, is provided. The sliding member contains a sliding portion formed of a metallic material having a Ti-containing thermally sprayed coating on a surface layer part of the sliding portion. The sliding member slides under the environment of the lubricant containing Mo as an additive, in which active Ti exposed on a surface by sliding accelerates decomposition reaction of the additive contained in the lubricant to form a molybdenum disulfide-containing low-friction coating having low friction on the surface of the sliding portion.

Abstract: A method for repairing a blade tip of a turbine blade based on welding below and above a designated depth recommended for repair of turbine blades. A damaged portion of the turbine blade is inspected to identify a standard cut portion and an angled cut portion. The standard cut portion is damaged above a standard cut line and the angled cut portion is damaged below the standard cut line. The damaged portion of the turbine blade is removed. The standard cut portion is removed using a first removal process and the angled cut portion is removed using a second removal process. The angled cut portion is built up with a first weld repair process. The angled cut portion is built up to the standard cut portion. The standard cut portion and the angled cut portion are built up with a second weld repair process.

Abstract: A low temperature deposition device according to the present invention includes: a thermal deposition source unit spraying a deposition beam; a differential pumping unit connected to the thermal deposition source unit and passing the deposition beam; and a cooling gas inlet connected to the differential pumping unit and inserting a cooling gas inside the differential pumping unit to cool the deposition beam. According to the present invention, the inorganic deposition beam of low temperature is deposited on the substrate to form the inorganic metal layer of low temperature so that the damage to the organic layer may be minimized when forming the inorganic metal layer of low temperature on the organic layer.

Abstract: Embodiments of the present invention provide systems and methods for inhibiting contamination enhanced laser induced damage (CELID) based on fluorinated self-assembled monolayers (F-SAMs) disposed on optics. For example, a coating for inhibiting CELID to an optic disposed in a sealed gas environment or vacuum may include an F-SAM that includes a fluorinated hydrocarbon tail group covalently bound to the optic by a head group. The coating may be formed by heating the optic and a liquid-phase precursor of the F-SAM to generate a gas-phase precursor, and exposing the heated optic to the gas-phase precursor for a period of time sufficient for the gas-phase precursor to coalesce at and covalently bond to the optic and form the F-SAM. The optic may include silica, and the F-SAM may include a siloxane group covalently bound to the silica.

Abstract: An electrical discharge surface treatment method for forming a coating film by generating a pulsed electrical discharge between an electrode and a workpiece in working fluid or gas using a green compact obtained by molding metal powder or metal alloy powder or a molded body obtained by heating the green compact as the electrode, and by melting an electrode material by an energy of the pulsed electrical discharge, forming a coating of the electrode material or a coating of a material obtained by a reaction of the electrode material by the energy of the pulsed electrical discharge on a surface of the workpiece, the electrical discharge surface treatment method includes generating the pulsed electrical discharge by mixing together two or more types of pulsed electrical discharges having different energies.

Abstract: A compliant bipolar micro device transfer head array and method of forming a compliant bipolar micro device transfer array from an SOI substrate are described. In an embodiment, a compliant bipolar micro device transfer head array includes a base substrate and a patterned silicon layer over the base substrate. The patterned silicon layer may include first and second silicon interconnects, and first and second arrays of silicon electrodes electrically connected with the first and second silicon interconnects and deflectable into one or more cavities between the base substrate and the silicon electrodes.

Abstract: A photovoltaic cell includes a p-type copper-indium-gallium-selenide absorber layer, where a content of Cu, In, and Ga in a first portion of the p-type copper-indium-gallium-selenide absorber layer satisfies the equation Cu/(In+Ga)?0.3, and where the content is measured in atomic percent.

Abstract: According to one embodiment, an apparatus for detecting neutrons includes an array of pillars, wherein each of the pillars comprises a rounded cross sectional shape where the cross section is taken perpendicular to a longitudinal axis of the respective pillar, a cavity region between each of the pillars, and a neutron sensitive material located in each cavity region.

Abstract: Disclosed is a method for manufacturing a low melting point nano glass powder. The method includes the steps of: preparing a bismuth-based low melting point glass powder precursor of a micro size, having bismuth (Bi) as the main ingredient; injecting the glass powder precursor into a reaction chamber of a plasma treatment device; applying thermal plasma via a direct current power source to the glass powder precursor injected into the reaction chamber, to vaporize the glass powder precursor; and generating nano glass powder having a nano size by quenching the gas generated by vaporizing the glass powder precursor.

Abstract: A plug for hot tube-making having a sprayed coating resistant to peeling is provided. A method for producing a plug for hot tube-making according to the present embodiment includes a step of preparing a plug whose surface includes a sprayed coating formed thereon, the sprayed coating containing iron and an iron oxide; and a heat treatment step during which the plug is kept at 400° C. to 550° C. for 5 to 60 minutes.

Abstract: An oil or gas tool block with an advanced textured coating produced by automated electro spark deposition equipment. A die insert includes a substrate onto which a gripping surface is formed. The gripping surface is a textured coating electro-deposited on the substrate. The textured coating includes a cobalt-based alloy supplied directly by the welding electrode, allowing the continuous build-up of material typically in the range of 0.001-0.040 inches. The cobalt-based alloy comprises a blend of chromium, cobalt, iron, manganese, molybdenum, nickel, and silicon. One or more die inserts, whether blank or textured, can be stacked to form a tool block. In a process for making the die insert, the substrate is texture-coated using electro-spark deposition in two passes, including a first coating pass and a second coating pass. Hard coating may follow to thereby form a gradient of layers.

Abstract: A bearing surface of an oilfield component is treated by applying a surface treatment having a low coefficient of friction to the bearing surface of the oilfield component by weld fusing an overlay of a Cu—Ni—Sn alloy material to the bearing surface. Weld fusing the overlay of the Cu—Ni—Sn alloy material to the bearing surface can involve laser surface cladding the overlay of the Cu—Ni—Sn alloy material to the bearing surface, gas tungsten arc welding the overlay of the Cu—Ni—Sn alloy material to the bearing surface, or plasma tungsten arc welding the overlay of the Cu—Ni—Sn alloy material to the bearing surface.

Abstract: The present invention relates to a method for coating AI-Cr-0 coatings with the help of a PVD-coating process. The PVD-coating process is performed with the help of Al and Cr comprising targets which are doped with Si. The doping of Si prevents the forming of oxide islands on the target during the reactive coating process.

Abstract: A seal structure includes: first and second members defining a hollow internal area of a fluid device; and a seal member fixed to the first member for sealing a gap between the first and second members. The seal member includes a sliding contact member being in sliding contact with a surface of the second member and formed of a resin. The second member includes a resin layer and a resin layer holding structure. The resin layer is formed by sliding the second member on the sliding contact member to transfer the resin forming the sliding contact member onto a sliding contact portion of the surface of the second member at which the second member comes into contact with the sliding contact member. The resin layer holding structure is a porous film formed by electric discharge surface treatment and holds the resin layer in the sliding contact portion.

Abstract: An embodiment of the invention relates to a perpendicular magnetic recording medium comprising (1) a substrate, (2) an interlayer comprising hexagonal columns and (3) a magnetic layer, wherein the magnetic layer is deposited applying a bias voltage to the substrate such that the magnetic layer comprises magnetic grains having substantially no sub-grains within the magnetic layer, and the magnetic layer has perpendicular magnetic anisotropy.

Abstract: According to the present disclosure, a substrate processing apparatus for processing a flexible substrate including a vacuum chamber configured for being evacuated and being configured for having a process gas provided therein, a processing module adapted to process the flexible substrate, wherein the processing module is provided within the vacuum chamber, and a discharging assembly configured to generate a flow of charged particles to discharge the flexible substrate is provided. The discharging assembly is configured to generate an electric field for ionizing a processing gas.

Abstract: A method of forming a metalloid-containing material comprises the step of preparing a hydrometalloid compound in a low volume on-demand reactor. The method further comprises the step of feeding the hydrometalloid compound prepared in the microreactor to a deposition apparatus. Additionally, the method comprises the step of forming the metalloid-containing material from the hydrometalloid compound via the deposition apparatus. A deposition system for forming the metalloid-containing material comprises at least one low volume on-demand reactor coupled to and in fluid communication with a deposition apparatus.

Abstract: A rotary piston engine comprises a stationary housing and a piston movably accommodated in the housing. The housing and the piston form at least one chamber with a chamber surface. At least one partial portion of the chamber surface has a thermal barrier coat for reducing a thermal conductivity of the partial portion of the chamber surface. At least one partial portion of the chamber surface has a metallic spray coat. A method for producing such a rotary piston engine can also be achieved.

Abstract: A protective coating system includes a nickel-aluminum-zirconium alloy coating having beta phase nickel-aluminum and at least one phase selected from gamma phase nickel and the gamma prime phase nickel-aluminum. The nickel-aluminum-zirconium alloy coating comprises 10 vol % to 60 vol % of the beta phase nickel-aluminum or 25 vol % to 75 vol % of the beta phase nickel-aluminum.

Abstract: In order to provide a nonmagnetic material for producing parts or coatings adapted for highly wear and corrosion intensive applications, said material comprising preformed particles made of tungsten carbide which are embedded in a metal phase made of a Ni-based alloy. It is suggested that the weight portion of said tungsten carbide particles is in the range between 30 wt. % and 65 wt. % and wherein the Ni-based alloy is a Nickel-Chromium-Molybdenum alloy comprising: (in wt. %): Cr 11.0,-30.0? Mo 5.0-25.0? Fe ?0-10.0 B 0-5.0 Co 0-2.

Abstract: A device and system for dynamically applying liquid to a single thread for a thread consuming device as said thread moves relative to the device along a path of movement. The device is configured to apply liquid to said thread by means of an electrospraying unit. A method for applying liquid to a single thread for a thread consuming device as said thread moves relative to the device along a path of movement is also provided.

Abstract: A protective film is disclosed that is mainly composed of a tetrahedral amorphous carbon (ta-C film) that is denser than a DLC film formed by a plasma CVD method and containing aggregate particles so reduced as to a necessary and sufficient level, to provide a method of manufacturing such a protective film, and to provide a magnetic recording medium comprising such a protective film. The film is mainly composed of a ta-C film formed by a filtered cathodic arc method using a cathode target of glass state carbon. A magnetic recording medium is disclosed which includes a substrate, a magnetic recording layer, and the protective film mainly composed of a ta-C film.

Abstract: Disclosed herein is a waterproof sound-transmitting sheet, the thickness of which can easily be adjusted and which has a high sound transmitting efficiency and excellent waterproofness, and a method for producing same. The waterproof sound-transmitting sheet, which is attached to a sound hole of a case, includes: a support layer made of a film-shaped porous material and formed in the case; and a waterproofing layer formed on one side of the support layer in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered and exposed to the outside of the case.

Abstract: The present invention relates to a cutting tool having a base body and a multilayered coating applied thereto, wherein at least two layers of the multilayered coating arranged one on top of the other contain, or consist of, metal oxide of the same metal or of different metals. In order to create cutting tools which are better than those of the prior art, it is proposed according to the invention that the at least two metal oxide layers arranged one on top of the other be produced successively by different PVD-processes, selected from i) reactive magnetron sputtering (RMS), ii) arc vapour deposition (arc-PVD), iii) ion plating, iv) electron beam vapour deposition and v) laser deposition, wherein modifications of the respective processes i) to v) do not constitute different PVD-processes.

Abstract: A protecting coating for a copper substrate is disclosed. The coating comprises seed layer comprising titanium ions that forms an “alloy-like” structure with the copper substrate. The coating further comprises a first layer of carbon disposed on the seed layer comprising titanium ions. A second layer comprising titanium is disposed on the first layer of carbon, and a second layer of carbon is disposed on the second layer comprising titanium.

Abstract: A method of enhancing the flowability of a powder. The powder is defined by a plurality of particles having an initial level of inter-particle forces between each particle. The method comprises: treating the powder, wherein the level of inter-particle forces between each particle is substantially decreased from the initial level; fluidizing the treated powder; flowing the treated powder into a plasma arc chamber; the plasma arc chamber generating a plasma arc; and the plasma arc chamber operating on the treated powder using the generated plasma arc. Preferably, the inter-particle forces are decreased by coating the particles with an organic surfactant.

Abstract: Methods and compositions for the deposition of a film on a substrate. In general, the disclosed compositions and methods utilize a precursor containing calcium or strontium.

Abstract: Provided herein are substrates useful for surface-enhanced Raman spectroscopy (SERS), as well as methods of making substrates. The substrates comprise a support element; a nanoparticulate layer; a SERS-active layer in contact with said nanoparticulate layer; and optionally, an immobilizing layer disposed between said nanoparticulate layer and said support element; wherein if the optional immobilizing layer is not present, the nanoparticulate layer is thermally bonded to the support element; and if said optional immobilizing layer is present, said nanoparticulate layer thermally bonded to said immobilizing layer, and optionally, further thermally bonded to said support element. In addition, methods of making the substrates, along with methods of detecting and increasing a Raman signal using the substrates, are described herein.

Abstract: A coated article has: a metallic substrate (22); a bondcoat (30); and a thermal barrier coating (TBC) (28). The bondcoat has a first layer (32) and a second layer (34), the first layer having a lower Cr content than the second layer.

Abstract: Forming a wear- and corrosion-resistant coating on an industrial component such as a chemical processing or nuclear power valve component by applying a cobalt-based dilution buffer layer to an iron-based substrate by slurry coating, and then applying by welding a cobalt-based build-up layer over the cobalt-based dilution buffer layer. An industrial component having a dilution buffer layer and a welding build-up layer thereover.

Abstract: The present invention proposed manufacturing method of coating layers with good conductivity and corrosion resistance at high productivity comprising etching the oxide layer on the stainless steel substrate by plasma etching to activate the surface and prevent from decreasing it's conductivity, coating metal nitrides like CrN or TiN in nano size thickness on the etched surface and coating carbon layer at nano size thickness on top of it. According to the present invention, it is possible to produce manufacture fuel cell bipolar plate, electrode material and stainless steel with reinforced conductivity and corrosion resistance in mass.

Abstract: A slip component for a downhole tool has a bearing surface hard surface treated. The slip component, which can be a slip or other component of a slip mechanism used on a packer, bridge plug, or other downhole tool, is composed of a metallic base material such as magnesium, aluminum, an aluminum alloy, or a magnesium alloy. To hard surface treat the slip component, at least the bearing surface is positioned relative to an electro sparking apparatus. Using the electrosparking apparatus, an external layer is bonded at least on the bearing. In a further embodiment, an intermediate layer can be first bonded onto at least the bearing surface by ion sputtering an intermediate material onto the metallic base material of the slip component. Then, an external layer can be bonded at least on the intermediate layer by electrospark deposition.

Abstract: A coated article has: a metallic substrate; a bondcoat; and a thermal barrier coating (TBC). The bondcoat has an MCrAlY first layer and an MCrAlY second layer, the second layer having a lower Cr content than the first layer.

Abstract: A method and apparatus for a fret resistant fuel rod for a Boiling Water Reactor (BWR) nuclear fuel bundle. An applied material entrained with fret resistant particles is melted or otherwise fused to a melted, thin layer of the fuel rod cladding. The applied material is made of a material that is chemically compatible with the fuel rod cladding, allowing the fret resistant particles to be captured in the thin layer of re-solidified cladding material to produce an effective and resilient fret resistant layer on an outer layer of the cladding.

Abstract: A patterned layer over a wafer is produced by depositing a print-patterned mask structure. Energized particles of a target material are deposited over the wafer and the print-patterned mask such that particles of said target material incident on the mask structure enter the mask structure body and minimally accumulate, if at all, on the surface of the mask structure, and otherwise the particles of target material accumulate as a generally uniform layer over the wafer. The print-patterned mask structure, including particles of target material therein, is removed leaving the generally uniform layer of target material as a patterned layer over the wafer.

Abstract: A bearing lining has a bearing backing layer provided with a coating comprising a first overlay layer and a second overlay layer, the first overlay layer being provided between the bearing backing layer and the second overlay layer. The first and second overlay layers each comprise a matrix material and a soft-phase material that is substantially insoluble in the matrix and dispersed within the matrix as soft-phase particles. The first overlay layer comprises a higher proportion by weight of a grain size reduction additive than the second overlay layer.

Abstract: An abrasive wear-resistant material includes a matrix and sintered and cast tungsten carbide pellets. A device for use in drilling subterranean formations includes a first structure secured to a second structure with bonding material. An abrasive wear-resistant material covers the bonding material. The first structure may include a drill bit body and the second structure may include a cutting element. A method for applying an abrasive wear-resistant material to a drill bit includes providing a bit, mixing sintered and cast tungsten carbide pellets in a matrix material to provide a pre-application material, heating the pre-application material to melt the matrix material, applying the pre-application material to the bit, and solidifying the material. A method for securing a cutting element to a bit body includes providing an abrasive wear-resistant material to a surface of a drill bit that covers a brazing alloy disposed between the cutting element and the bit body.