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7468089 |
A self-cleaning porous cermet material, filter and system utilizing the same may be used in filtering particulate and gaseous pollutants from internal combustion engines having intermetallic and ceramic phases. The porous cermet filter m...
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7438740 |
With the object of effective utilization of a fine powder generated during comminution of a crude material for iron manufacture, a briquette is provided which comprises a porous brittle molded body with a bulk specific gravity of 1.5 or ...
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7316724 |
A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide dispersoid E, an intermetallic compound...
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7288133 |
A three-phase nanocomposite that comprises about 0.5 to 10 vol % nano-scale aluminum oxide particles and about 1 to 45% high modulus ceramic particles and an aluminum alloy matrix. The nano phase is to enhance nanocomposite strength and ...
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7288132 |
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 metal binder phase. In M x C y M is Cr, Fe,...
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7153338 |
One embodiment of the invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Al, Si, Mg, Ca, Y, Fe...
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7052526 |
A magnesium base composite material is provided such that compound particles generated by a solid-phase reaction with magnesium are uniformly dispersed in a magnesium alloy body. The compound particles dispersed in the body comprise magn...
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6921422 |
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 good hardness and reasonable fracture tough...
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6905779 |
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 substance particles being substantially even...
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6830637 |
A large-diameter tungsten-lanthana rod having an elongated grain structure substantially parallel to the longitudinal axis of the rod is described. The large diameter rod is produced by rolling at a temperature greater than 1400° C. and...
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6723387 |
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 hard phase material particles that are ei...
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6663728 |
A gold-free platinum material that is dispersion-strengthened by small, finely dispersed particles of base metal oxide. The base metal is either 0.01-0.5 wt. % Sc or a mixture/alloy of Sc and at least one metal from the group consisting ...
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6638334 |
The present invention is aimed at providing a sliding contact material that has an alloy composition containing no harmful substance like Cd, especially excellent contact resistance properties, electrical functions that are good and is n...
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6635098 |
A low cost titanium, titanium alloy material, or Ti matrix composite comprising clean and divided titanium turnings that are blended with titanium, titanium alloy powder, and/or ceramic powder and consolidated is provided. A method of ma...
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6607850 |
Chain parts and other steel articles are provided with hard, wear-resistant carbide coatings by tumbling them in a heated retort with a particulate mix which includes a source of vanadium and/or niobium. The steel substrate comprises a s...
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6572670 |
A composition for forming metal objects includes (a) first particles containing a jewelry-metal, and (b) second particles containing a refractory metal oxide. The composition allows the preparation of jewelry-metal in a large variety of ...
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6551371 |
A titanium-based composite material according to the present invention is characterized in that it comprises: a matrix containing a titanium (Ti) alloy as a major component, and titanium compound particles and/or rare-earth element compo...
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6511523 |
The present invention is aimed at providing a platinum material in which creep strength is elevated by improving a metal grain shape in an oxide-dispersion strengthened platinum material in which zirconium oxide is dispersed, and providi...
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6464747 |
Sintered cermet materials far tools such as cutting tools, which are excellent in heat resistance, wear resistance and fracture resistance, are inexpensive, and have long life time, and a method for producing such sintered cermet materia...
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6399019 |
A metal-ceramic composite substitute is produced by joining a metal plate to a ceramic substrate by using a brazing material in a paste form prepared by adding 10-14 parts by weight of a vehicle to 100 parts by weight of a powder of whic...
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6398843 |
A dispersion-strengthened material is described which comprises aluminium or aluminium alloy containing a substantially uniform dispersion of ceramic particles to confer dispersion strengthening which is inherently stable at high working...
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6375705 |
Oxide dispersion strengthening of porous metal articles includes the incorporation of dispersoids of metallic oxides in elemental metal powder particles. Porous metal articles, such as filters, are fabricated using conventional technique...
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6368376 |
Disclosed is a process for making an oxide dispersion-strengthened tungsten heavy alloy by mechanical alloying that includes the steps of: adding 0.1 to 5 wt. % of Y 2 O 3 powder to a mixed powder comprising more than 90 wt. % of tungst...
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6355089 |
A carbon or low-alloy steel is provided with improved machinability. The carbon content of the steel is less than 1.5% and the sum of the alloy elements contained therein is less than 9%. The steel contains oxide and sulfide inclusions, ...
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6355086 |
The present invention relates to a method an apparatus for fabricating a component by a direct laser process. One form of the present invention contemplates a gas turbine engine blade having an abrasive tip formed directly thereon.
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6322608 |
The invention relates to a process for producing a component from an Al 2 O 3 /titanium aluminide composite material. To produce the component, a shaped body is pressed from a starting mix of titanium, in particular as an oxide, carbon...
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6271162 |
A process for producing a ceramic-metal composite, includes (1) mixing TiO 2 , and optionally Ti, with at least one of a boron-containing or carbon-containing material to give a green body mix; (2) heat treating the green body mix to a t...
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6254660 |
The invention relates to a Cr 2 O 3 -forming alloy that is resistant to oxidization and/or corrosion at high temperature, especially by glass, characterized in that it contains, in dispersion within its matrix, chromium oxide Cr 2 O 3...
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6197436 |
A method for diffusion coating workpieces of ferrous base metals such as carbon steel and cast iron includes the step of weighing and mixing the following components, in powdered form: TBL Chromium 40-50 wt % Ferrochro...
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6190466 |
The invention relates to non-sag tungsten wire for being used in light sources or heating elements, which tungsten wire is prepared from a tungsten block by powder metallurgy process with thermomechanical technique, and has an overlapped...
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6165246 |
In order to make the wear-resistance and machinability of the copper-based sliding material, in which such particles as AlN, Al 2 O 3 , NiB, Fe 2 B, SiC, TiC, WC, Si 3 N 4 , Fe 3 P, Fe 2 P and/or Fe 3 B are dispersed in the matrix ...
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6096111 |
A homogeneous sintered composite made by press-forming a homogeneous mixture of powders of an agglutinating component, a second component having a melting point higher then the agglutinating component, and an exothermically reactive comp...
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6090191 |
The invention relates to the field of producing the means for protecting the alloys on the nickel base against the influence of corrosive media, and more particularly concerns the metal-ceramic coatings used for protecting the flow parts...
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6074454 |
The invention relates to bullets having increased frangibility (or which can be easily fragmented) and to materials and processes for the manufacture of such bullets. The bullets of the present invention are typically made from copper or...
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6051045 |
This invention is directed to metal-matrix composites which include a substantially continuous phase of metal and reinforcing ceramic particulate substantially uniformly dispersed therein and comprising at least two of barium titanium, t...
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6039785 |
The invention concerns a material for the powder-metallurgical production from a powder mixture containing at least approximately 50 wt. % copper in particular of valve seat rings or valve guides with high resistance to wear and corrosio...
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6004370 |
A sintered friction material especially suitable for use in a braking system has a matrix of a copper-system metal such as copper, tin, nickel and aluminum, and contains a specific additive, graphite and potassium titanate as friction co...
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5997604 |
Corrosion resistant metal, either platinum or MCrAlY is bonded to a corrosion sensitive metal such as nickel based superalloys by coating the surface with the corrosion resistant metal particles held in a binder and covering this with a ...
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5993511 |
A nickel cermet containing a metal nickel phase and an yttria stabilized zirconia phase, is prepared by a process comprising: preparing a suspension of the zirconia in demineralized water; preparing a solution of a nickel salt in deminer...
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5985440 |
Sintered silver-iron material for electrical contacts, with properties comparable with those of silver-nickel materials, is obtained by using iron powder having more than 0.25% carbon by weight and microhardness higher than 200 HV 0.025 ...
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5984996 |
Methods for the manufacture of nanostructured metals, metal carbides, and metal alloys are presented, such metals including nanostructured aluminum, chromium, iron, molybdenum, vanadium, and steel. Preferably, the nanostructured steel is...
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5972523 |
A process for making composite materials, namely reinforced Al-metal matrix composites based on either: (I) Al-W intermetallic phase and Al 2 O 3 ceramic whiskers, or (II) Al-Mo intermetallic phase and Al 2 O 3 ceramic whiskers. This...
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5972067 |
A disclosed gradient function material seal cap for discharge lamp bulb is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of groups ...
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5955686 |
A brazing material having 0.25-0.9 wt % of titanium oxide added to a basic formula consisting of 60-94.25 wt % Ag, 5-30 wt % Cu and 0.5-4.5 wt % of an active metal is processed to form a paste, which is applied to an AlN substrate and ov...
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5955685 |
A sputtering target for forming a magnetic thin film includes iron powder and at least one first oxide powder selected from the oxides of barium, strontium and lead. The fabrication method of a sputtering target for forming a magnetic th...
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5943546 |
A disclosed gradient function material is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of groups of particles include at least a f...
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5935485 |
A piezoelectric material includes a PZT ceramic, and a noble metal component. The noble metal component is added to the PZT ceramic in an amount of 0.35 parts by volume or more with respect to 100 parts by volume of the PZT ceramic, and ...
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5915162 |
This invention relates to a coated cutting tool suitable for high speed cutting working and a process for the production of the same. The feature of the present invention consists in a coated cutting tool comprising a coating layer consi...
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5881355 |
A method of fabricating a cathode member or pellet is provided, which realizes the sufficiently large increase of the electron emission capability by the current activation process and that prevents the maximum cathode current from being...
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5868876 |
A wet-doping process for producing an oxide-dispersion strengthened (ODS), creep-resistant molybdenum alloy is disclosed. The alloy is made by adding nitrate or acetate salts of lanthanum, cerium, thorium, or yttrium to molybdenum oxide ...
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