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7608127 Particle reinforced noble metal matrix composite and method of making same  
The present invention relates to particle reinforced noble metal matrix composites and a method of making the same. The composites include a noble metal such as silver, gold, and alloys thereof, as...
7595106 Method for manufacturing cemented carbide  
The invention relates to a method of making cemented carbides having surfaces free free of detrimental binder phase layer. This is achieved by the inclusion of controlled amounts of carbonitride in...
7588833 Fine grained sintered cemented carbides containing a gradient zone  
There is disclosed a fine grained cutting tool insert consisting of a cemented carbide substrate and a coating. The cemented carbide substrate comprises WC, binder phase, and vanadium containing...
7588620 Cutting tool  
A cutting tool comprised of a cemented carbide is provided. The cemented carbide is consisted of a composition including: a predetermined amount of at least one selected from specific carbide,...
7556668 Consolidated hard materials, methods of manufacture, and applications  
The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using...
RE40785 Method of making a submicron cemented carbide with increased toughness  
The present invention relates to a method of making a cemented carbide comprising WC, 6-12 wt. % Co and 0.1-0.7 wt. % Cr, wherein the WC-grains are coated with Cr prior to mixing and no milling...
7531022 Liquid and its use for the preparation of hard metals  
A liquid for the preparation of powder mixtures on the basis of hard metals, comprising water and an inhibitor, wherein the inhibitor is in the form of at least one of the following materials:...
7510034 System, method, and apparatus for enhancing the durability of earth-boring bits with carbide materials  
An earth-boring drill bit having a bit body with a cutting component formed from a tungsten carbide composite material is disclosed. The composite material includes a binder and tungsten carbide...
7449043 Cemented carbide tool and method of making the same  
A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller...
7442338 Product manufacture in structural metallic materials reinforced with carbides  
The present invention develops a manufacture method, via conventional liquid metallurgy, of finished and semi-finished metallic parts as casting, ingot, blooms and slabs in alloys base Fe, base Ni...
7438741 Erosion-corrosion resistant carbide cermets for long term high temperature service  
Cermets are provided in which the ceramic phase is selected from the group consisting of Cr 23 C 6 , Cr 7 C 3 , Cr 3 C 2 and mixtures thereof. The binder phase is selected from certain specified...
7427310 Cemented carbide tools for mining and construction applications and method of making same  
A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in...
7413591 Throw-away tip and cutting tool  
The throw-away tip has a shape of substantially flat plate, comprising from 1 to 30% by weight of binder phase comprising at least one kind of Co and Ni, and 70 to 99% by weight of carbonitride...
7407525 Fracture and wear resistant compounds and down hole cutting tools  
Fracture and wear resistant cutting elements are provided. Examples include a cutting element formed of a wear resistant material having a binder composition and a coarse grain size such that the...
7384689 Cemented carbide body  
According to the present invention there is now provided a body cemented carbide provided with at least one wear resistant layer, which body contains a toughness increasing surface zone. Increase...
7384443 Hybrid cemented carbide composites  
Embodiments of the present invention include hybrid composite materials comprising a cemented carbide dispersed phase and a cemented carbide continuous phase. The contiguity ratio of the dispersed...
7179319 Fine grained sintered cemented carbide, process for manufacturing and use thereof  
The invention proposes a fine grained sintered cemented carbide containing chromium and based on WC and a binder based on Co or CoNiFe, and having at least one additional phase comprising at least...
7141110 Erosion resistant coatings and methods thereof  
Erosion resistant coating processes and material improvements for line-of-sight applications. The erosion resistant coating composition includes nanostructured grains of tungsten carbide (WC)...
7128774 Cutting tool  
The present invention relates to a cutting tool insert for metal machining comprising tungsten carbide in a binder phase of tungsten or a tungsten alloy. The insert contains, in addition, W 2 C in...
7128773 Compositions having enhanced wear resistance  
A composite material includes a double cemented carbide and a coarse grain dopant, wherein the coarse grain is added in an amount sufficient to improve wear resistance of virgin double cemented...
7097685 Cemented carbide, coated cemented carbide member and production processes of the same  
A cemented carbide comprises a binder phase consisting essentially of an iron family metal, a first hard phase consisting essentially of WC having a hexagonal crystal structure, and a second hard...
7094473 Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same  
A wear-resistant iron-based sintered contact material is provided which is sintered by powder sintering so as to have high density, high seizure resistance and wear resistance. A wear-resistant...
7074253 Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance  
Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula M x C y , is dispersed in a...
7070643 Compositionally graded sintered alloy and method of producing the same  
There is disclosed a compositionally graded sintered alloy which comprises: 1 to 40% by weight of a iron group metal; 0.1 to 10% by weight of at least one type of a specific metal element selected...
7063821 Apparatus for production of molybdenum carbide  
Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace...
6921422 Ductile binder phase for use with A1MgB14 and other hard materials  
This invention relates to a ductile binder phase for use with AlMgB 14 and other hard materials. The ductile binder phase, a cobalt-manganese alloy, is used in appropriate quantities to tailor...
6911063 Compositions and fabrication methods for hardmetals  
Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. A two-step...
6905779 Sliding material made of copper alloy, method of producing same, sliding bearing material, and method of producing same  
A copper-based sliding material comprising sintered copper or sintered copper alloy, and 0.1 to 5 vol. % hard substance particles harder in hardness than said copper or copper alloy, said hard...
6878181 Cemented carbide for oil and gas applications with toughness factor  
A cemented carbide with excellent properties for oil and gas applications regarding resistance to the combined erosion and corrosion synergistic effects at temperatures between −50 and 300° C....
6852143 Turbo component for turbocharger  
A turbo component for a turbocharger in which heat resistance, corrosion resistance, and wear resistance is superior, and in which the cost is further lowered, is provided. In the turbo component,...
6840978 Porous metal article, metal composite material using the article and method for production thereof  
A porous metal body having a foam structure of 500 μm or less in average pore diameter, wherein the skeleton is composed of an alloy primarily including Fe and Cr, and Cr carbide or FeCr carbide...
6802883 Iron-based sintered alloy for use as valve seat and its production method  
An iron-based sintered alloy, which consists of from 0.5 to 5% of Ni, from 0.5 to 4% of Cr, from 0.5 to 2% of C, the balance being Fe and unavoidable impurities, and which has a micro-structure...
6793875 Nanostructured carbide cermet powders by high energy ball milling  
A method for the synthesis of method for the manufacture of carbide cermet powders, comprises high energy ball milling a mixture of precursor powders and a carbon source, followed by annealing the...
6790252 Tungsten-carbide articles made by metal injection molding and method  
A process of making an article of a tungsten-carbide-cobalt alloy with or without an additive of one or more of tantalum, cobalt-nickel, nickel-tantalum, tantalum-carbide, titanium-carbide,...
6782958 Hardfacing for milled tooth drill bits  
In one embodiment, a hardfacing composition for a drill bit, including a carbide phase including from about 50% to about 80% by weight of the hardfacing composition of a combination of 80 to 200...
6767416 Corrosion resistant, high strength alloy and a method for manufacturing the same  
A corrosion resistant, high strength austenitic stainless steel consisting of 1.0% or less of Si, 2.0% or less of Mn, 0.5% or less of O, 7 to 30% of Ni, 14 to 26% of Cr, 0.3% or less of combination...
6723387 Multimodal structured hardcoatings made from micro-nanocomposite materials  
A thermal spray method for the fabrication of ceramic/metal and ceramic/ceramic hardcoating for wear applications. The method makes use of feedstock powder, composed of micron-scale aggregates of...
6682580 Matrix powder for the production of bodies or components for wear-resistant applications and a component produced therefrom  
A matrix powder for the production of components for wear-resistant applications by forming the matrix powder, along with an infiltrant, into a matrix, and and a wear-resistant component produced...
6666288 Coated cutting tool insert with iron-nickel based binder phase  
The present invention relates to cutting tool insert consisting of a tungsten carbide based hard metal substrate and a coating. The hard metal consists of about 4-15 wt-% binder phase with face...
6602312 Seal rings for potable water applications  
A cemented carbide seal ring has at least one hard phase in a binder phase based on Co, Ni and Fe which results in a content Fe, Ni and Cr of less than 50 μg/l of each in a leach test with...
6537343 Corrosion and wear resistant cemented carbide  
A product having a chromium carbide based cemented carbide composition with a nickel and/or chromium based binder is disclosed. It possesses excellent corrosion resistance in combination with good...
6524364 Corrosion resistant cemented carbide  
A corrosion and oxidation resistant cemented carbide contains WC and 6-15 wt. % binder phase whereby the binder phase contains 8-12 wt. % of a corrosion resisting addition with an average WC grain...
6500226 Method and apparatus for fabrication of cobalt alloy composite inserts  
This disclosure features a process of making a two part drill bit insert, namely, a body portion of hard particles such as tungsten carbide particles mixed in an alloy binding the particles. The...
6464748 Tool for coldforming operations  
The present invention relates to cemented carbide tools for coldforming and drawing operations. The cemented carbide comprises WC with an average grain of <1 μm and 0.5-4 weight-% binder phase...
6461401 Composition for binder material particularly for drill bit bodies  
A composite structural metal use, for example, in drill bit bodies is disclosed. The metal includes powdered tungsten carbide, and binder metal consisting of a composition by weight of manganese in...
6423111 Ball for ball-point pen  
A ball for a ball-point pen is provided comprising cemented carbide of WC—Cr 3 C 2 —Co where VC is contained as a solid solution in the Cr 3 C 2 —CO phase which is a binder of WC particles...
6413293 Method of making ultrafine wc-co alloys  
The present invention relates to a method of making ultrafine WC—Co alloys from a well dispersed mixture of fine and non-agglomerated WC and Co powders, wherein the Co powders have a narrow grain...
6402802 Exoflash consolidation technology to produce fully dense nanostructured materials  
Embodiments include a method for fabricating a nanograined component from a nanograined powder composition. A compact is formed from the nanograined powder composition and sufficient heat is...
6399018 Powdered material rapid production tooling method and objects produced therefrom  
Solid objects are made by means of a novel multi-step forming, debinding, sintering and infiltrating process, using a metal-ceramic composition. In this process, the mixture is held for a period of...
6387552 TiCN-based cermet  
A TiCN-based cermet comprises 5-25 weight % of a binder phase mainly composed of Co and/or Ni, the balance being substantially a hard phase and inevitable impurities, the hard phase being mainly...
Matches 1 - 50 out of 301 1 2 3 4 5 6 7 >