Abstract: A high strength welding joint having excellent toughness at low temperature obtained by welding a cryogenic high-strength high-Mn steel, comprising 0.1-0.61 wt % of C, 0.23-1.0 wt % of Si, 14-35 wt % of Mn, 6 wt % or less of Cr, 1.45-3.5 wt % of Mo, 0.02 wt % or less of S, 0.02 wt % or less of P, 0.001-0.01 wt % of B, 0.001-0.2 wt % of Ti, 0.001-0.3 wt % of N, and balance of Fe and inevitable impurities; and a flux-cored arc welding wire comprising 0.15-0.8 wt % of C, 0.2-1.2 wt % of Si, 15-34 wt % of Mn, 6 wt % or less of Cr, 1.5-4 wt % of Mo, 0.02 wt % or less of S, 0.02 wt % or less of P, 0.01 wt % or less of B, 0.1-0.5 wt % of Ti, 0.001-0.3 wt % of N, 4-15 wt % of TiO2, 0.01-9 wt % of at least one of SiO2, ZrO2 and Al2O3, 0.5-1.7 wt % of at least one of alkali elements including K, Na, and Li, 0.2-1.5 wt % of at least one of F and Ca, and balance of Fe and inevitable impurities.

Abstract: The present disclosure relates generally to welding and, more specifically, to electrodes for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). A welding consumable includes a metallic sheath surrounding a granular core. The welding consumable includes: approximately 0.35 wt % or less manganese, between approximately 0.1 wt % and approximately 3 wt % nickel, between approximately 2.5 wt % and approximately 10 wt % calcined rutile; and between approximately 0.1 wt % and approximately 2 wt % spodumene, all based on the weight of the welding consumable.

Abstract: A method of producing a substrate having a frosted appearance, an article having a frosted appearance and frost-imparting compositions are disclosed. The method includes applying a frost-imparting composition onto a ceramic substrate and firing the coated substrate above 400° C. to impart the frost appearance. The frost-imparting composition comprises a liquid vehicle, 20% to 90% by weight of glass frit particles and less than 10% by weight of at least one gas-releasing material, inactive below an activation temperature of at least 400° C. The gas releasing material may include carbonate, nitrate, iodate, bromate, chlorate, fluoride, manganate, dimanganate and sulfate compounds. The firing temperature is chosen to be above the activation temperature of the gas-releasing material, above which the gas-releasing material yields gas bubbles and above a temperature that causes the glass frit particles to behave as a viscous liquid.

Abstract: Methods and compositions are disclosed for coating a biocompatible medical implant with a surface layer having antioxidant activity. In various embodiments, a surface layer described herein destroys the oxidative activity of a reactive oxygen species (ROS) upon contact. An ROS can be, for example, an ROS generated by neutrophils in vivo. In various embodiments, a surface layer comprises a titanium oxide layer that can comprise a rutile, an anatase or a perovskite crystal structure, and can include defects comprising Ti(III). In some embodiments, the oxide layer can further comprise a dopant such as niobium. In some embodiments, methods for forming a surface layer on a biocompatible medical implant having antioxidant activity are disclosed.

Abstract: An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of the fine particle is from about ?100 to 0 mV in an aqueous environment at pH 5. Another object of the present invention is to provide a photocatalytic slurry containing the powder, and a polymer composition, a coating agent, a photocatalytic functional molded article and a photocatalytic functional structure using the powder.

Abstract: The present invention improves the oxidation resistance of an ultrafine metal powder for use in the internal electrode of a multilayer ceramic capacitance and suppresses an increase in the thickness of a metal internal electrode film resulting from the spheroidization of the molten metal under surface tension during the formation of the metal internal electrode film. The ultrafine metal powder has a sulfur-containing compound of not less than one element selected from the group consisting of Y, Zr, and La present on the surface of the particle thereof and is produced by performing an ultrafine metal powder purification step of dispersing the ultrafine metal powder in a slurry, a surface treatment step of adding an aqueous solution containing a sulfate of not less than one element selected from the group consisting of Y, Zr, and La to the slurry to form the compound on the surface of the metal particle, a filtering step, and a drying step.

Abstract: Barium titanate-based compositions having a high tetragonality and methods of forming the same are provided, as well as devices formed from the compositions. The barium titanate-based compositions advantageously have a high tetragonality and small particle sizes. For example, in some embodiments, the barium titanate-based compositions have a tetragonality of greater than about 2.0 and an average particle size of less than about 0.3 micron. Some methods involve achieving high tetragonality by limiting the concentration of certain metals (other than barium or titanium) in the compositions and/or heat treating the compositions at relatively high temperatures. In some methods, the A/B ratio of the composition may be adjusted prior to heat treatment to ensure that a small particle size is maintained during heat treatment.

Abstract: The life of ceramic SPF dies can be enhanced significantly by plasma spray application of a cordierite glaze on the forming surface. The preferred glaze has a coefficient of thermal expansion close to or matching with the ceramic of the die, and, typically, is a 2•2•5 MAS system including 2-10 mol % TiO2 (or above 8 wt %).

Abstract: Methods of coating ceramic (e.g., barium titanate-based) particles, as well as articles and compositions formed from the coated particles are provided. The methods involve forming a mixture of barium titanate-based particles and at least two dopant metal solutions. According to some methods, a second solution (e.g., a base) is added to the mixture to cause the dopant metals to sequentially precipitate onto surfaces of the particles. The resulting particles are coated with respective layers having different dopant metal compositions. According to other methods, the mixture of barium titanate-based particles and at least two dopant metal solutions are added to a second solution (e.g., a base) to precipitate the dopant metal or metals to form a coating on surfaces of the barium titanate-based particles. The resulting particles are coated with a homogeneous coating.

Abstract: Methods of heat treating barium titanate-based particles are provided, as well as compositions and devices formed from the particles. The methods involve forming a coating on surfaces of barium titanate-based particles and heating the coated particles, for example, to a temperature of greater than about 400° C. and less than about 1150° C. The heating step may increase the bond strength between the coating and barium titanate-based particles, reduce the average specific surface area of the coated particles, remove water present in the coating, and remove other contaminants from the composition, amongst other advantages. These effects of heat treating can improve the performance of devices (e.g., MLCCs) that include dielectric layers formed from the barium titanate-based particles.

Abstract: A Ti-base wire rod for forming molten metal excellent both in rod feeding smoothness and arc stability is disclosed. A wire rod 301 is composed of Ti metal, and has in the surficial portion including the surface thereof an oxygen enriched layer having an oxygen concentration higher than that in an inner portion. Ratio Tw/Dw of the thickness Tw of the oxygen enriched layer and the diameter Dw of the wire rod is adjusted within a range of 1×10−3 to 1×10−1, and the average oxygen concentration of the oxygen enriched layer is adjusted to 1 wt % or above.

Abstract: A nickel, chromium, iron alloy for use in producing weld deposits. The alloy comprises, in weight percent, about 27 to 31.5 chromium; about 7 to 11 iron; about 0.005 to 0.05 carbon; less than about 1.0 manganese, preferably 0.30 to 0.95 manganese; about 0.60 to 0.95 niobium; less than 0.50 silicon, preferably 0.10 to 0.30 silicon; 0.01 to 0.35 titanium; 0.01 to 0.25 aluminum; less than 0.20 copper; less than 1.0 tungsten; less than 1.0 molybdenum; less than 0.12 cobalt; less than 0.10 tantalum; less than about 0.10 zirconium, preferably 0.002 to 0.10 zirconium; less than about 0.01 sulfur; less than about 0.01 boron, preferably 0.001 to 0.01 boron; less than about 0.02 phosphorous; and balance nickel and incidental impurities.

Abstract: A cermet tool that has excellent thermal crack resistance, while maintaining plastic deformation resistance, wear resistance and a long service life even when it is used for intermittent cutting is disclosed. The cermet tool comprises Ni or Ni and Co in a total amount of 4-20 wt. %, Ti in an amount of 50-60 wt. %, V, Cr, Zr, Nb, Mo, Hf, Ta, and W in a total amount of 30-40 wt. %, C in an amount of 5-10 wt. %, and N in an amount of 3-8 wt. %. The carbonitride phase contains grains of a Ti carbonitride phase containing Ti in an amount of 90 wt. % or more with respect to all the metal components of the phase. When the cross-sectional microcrystalline structure of the cermet is observed, the ratio of “total area of grains of the Ti carbonitride phase having a ratio of Dmax/Dmin of 1.5 or more” to “total area of the hard phase” is 50% or more.

Abstract: A pulsed voltage surge resistant magnet wire comprising a conductor, a continuous and concentric and flexible uniform coat of base insulation material superimposed on the conductor. An essentially continuous and concentric and uniform pulsed voltage surge shield overlaying the coat of base insulation material. The shield has therein an effective amount of a particulate material. The shield is superimposed on the coat of base insulation material, and has a continuous and concentric and flexible and uniform top coat of insulation material superimposed thereon.

Abstract: A fiber-reinforced silicon--silicon carbide matrix composite having improved oxidation resistance at high temperatures in dry or water-containing environments is produced. The invention also provides a method for protecting the reinforcing fibers in the silicon--silicon carbide matrix composites by coating the fibers with a silicon-doped boron nitride coating.

Abstract: The invention relates to compositions for the coating of substrates of matt surface appearance, based on thermoplastic and/or heat-curable resins such as PA, PP, polyesters and epoxy resins and containing one or a number of matting agents which are predominantly in the form of terephthalic acid dianilide or its substituted derivatives needles or flakes of average length of between 1 and 200 .mu.m and of aspect ratio of between 10 and 40.These compositions, generally in the form of powders, are employed for coating various substrates. The coatings are applied especially by dipping in a fluidized bed or by electrostatic spraying. The coated articles may be components of furnishing, of decoration or of construction.

Abstract: An improved textile yarn finish is provided having a continuous aqueous phase with a soil release agent incorporated therein and a discontinuous phase of a lubricating oil.

Abstract: An aromatic polyamide filament includes extremely fine inorganic material having a high refractive index of 2.0 or more and an extremely fine average particle size of 0.3 .mu.m or less and dispersed, in an amount of 0.1 to 5% based on the total weight of the filament, in at least a surface portion of an aromatic polyamide filament matrix; has an individual filament thickness of 0.5 to 50 deniers, a tensile strength of 18 g/d or more, an ultimate elongation of 3.5% or more and an initial modulus of 450 g/d; and exhibits an enhanced weathering resistance derived from the high ultraviolet ray-reflecting, shielding and absorbing properties of the extremely fine inorganic particles dispersed in the filament matrix.

Abstract: A ceramifiable sizing composition includes, in % by weight:a) 5.5 to 20% of at least one water-soluble metal salt chosen from chromium, zirconium, titanium and aluminum salts;b) 0.2 to 15% of at least one binding agent;c) 0.15 to 3% of at least one silane giving the continuous inorganic yarn good properties of resistance to abrasion and of tensile strength of dry yarn;d) 0.6 to 17% of at least one lubricating agent; ande) a balance of water.

Abstract: A pulsed voltage surge resistant magnet wire comprising a conductor, a continuous and concentric and flexible uniform coat of base insulation material superimposed on the conductor and an essentially continuous and concentric and uniform pulsed voltage surge shield overlaying the coat of base insulation material.

Abstract: A fibrous electrically-conductive filler herein provided comprises fibrous aluminum borate as a core material provided thereon with, in order, an optional titanium oxide intermediate layer and an antimony-free tin oxide layer. The fibrous electrically-conductive filler can be prepared by a method which comprises the steps of optionally forming an intermediate layer of titanium oxide by depositing titanium oxide hydrate on the surface of the core material and then calcining the titanium oxide hydrate layer; then forming a coating layer of tin oxide hydrate on the surface of the titanium oxide-coated fibrous aluminum borate or the fibrous aluminum borate as a core material and then calcining the coating layer at a temperature ranging from 150.degree. to 600.degree. C. in an inert gas atmosphere or a reducing atmosphere to form an antimony-free tin oxide layer.

Abstract: A roller body or plain bearing component exhibits a core body (1) of ceramic material which is coated with a lapped hard layer (3) (e.g. titanium carbide, Diamond . . . ).

Abstract: A composite is comprised of reinforcement fibers having a continuous coating of a metal diboride form the group consisting of titanium diboride, zirconium diboride, hafnium diboride, aluminum diboride, and mixtures thereof, and a molten silicon infiltration formed silicon carbide matrix. The reinforcement fibers are fibers from the group consisting of elemental carbon, silicon carbide, and mixtures thereof. A method for forming the fiber reinforced composite comprises depositing a continuous coating of the metal diboride on the fibers. A carbonaceous material is admixed with the coated fibers so that at least 5 volume percent of the mixture is the fibers. The mixture is formed into a preform having an open porosity ranging from about 25 volume percent to about 90 volume percent of the preform. The preform is heated in an inert atmosphere or partial vacuum, and infiltrated with molten silicon to produce an infiltrated product having the composition of the composite.

Abstract: The invention provides a coated electrode for producing a nickel-base weld deposit containing at least 12 weight percent chromium. The coated electrode includes a flux surrounding the core wire. The flux includes in parts by weight 5 to 35 strontium carbonate, 5 to 35 total metal carbonate compound, 0 to 20 manganese with at least 5 manganese present when less than 0.5 weight percent manganese is present in the core wire, 10 to 40 fluoride compound and 5 to 45 oxide compound. A binder is used to hold the flux to the core wire.

Abstract: A piezoelectric cable for use in detecting under water acoustic wave while being trailed by a boat is disclosed, which includes a core electrode, an outer electrode surrounding the core electrode, a piezoelectric layer disposed between the core electrode and the outer electrode, a sheath surrounding the outer electrode, and a shape retaining member extending axially within the cable and formed of a shape memory alloy whose phase is transformed between an austenite phase and a martensite phase by changing the temperature thereof and memorizing a predetermined shape in the austenite phase of the alloy. One of the core and outer electrodes may be formed of the shape memory alloy and, in this case, the shape retaining member can be omitted.

Abstract: Silicon carbide filaments are coated to protect them from attack by a titanium matrix material when incorporating them into a metal matrix composite. The coating method comprises coating the filaments firstly with a carbon layer and then with a titanium carbide or boride layer whose carbon or boron content decreases progressively from its interface with the carbon layer to its exterior surface. A layer of titanium or a titanium based alloy may be provided on the titanium carbide or boride layer to facilitate incorporation into a metal matrix. Preferably, the layers are applied by sputter ion plating.

Abstract: The subject invention relates to a coated reinforcement material comprising a SiC reinforcement having an outer core coating of the general formula:Ti.sub.x M.sub.y B.sub.zwherein M is at least one of V, Nb, Ta, Cr, Mo, W, Zr, and Hf; x is between about 30 and 60 atomic percent; y is between about 5 and 30 atomic percent; z is between about 35 and 60 atomic percent; and x+y+z=100. The invention further relates to a high strength, high temperature performance composite comprising a ternary boride coated SiC reinforcement material and titanium alloy matrix material.

Abstract: Finely divided silicon carbide materials, particularly powders, whiskers and short fibers, are provided with a titanium nitride surface coating by the process of (i) placing a low carbon diffusivity layer atop the silicon carbon, (ii) placing a titanium metal coating atop the low carbon diffusivity layer, and (iii) nitriding the titanium metal.

Abstract: A far infrared ray emitting, odor-absorbing material is disclosed. The material comprises cellulose acetate fiber having adhered thereto an ultrafine powder of alumina hydrate or silica hydrate which is chemically produced in an aqueous dispersion of the cellulose acetate fiber. The material possesses a high far infrared ray emitting, odor-absorbing capability as well as many characteristics inherently possessed by cellulose acetate fibers, and can expand the utility of cellulose acetate in such fields as sanitary, health-care, and medical fields.

Abstract: A thermally stable ceramic and/or metal coated carbonaceous linear fiber batting, fiber tow, yarn or fabric which maintains some degree of stability in the presence of various concentrations of oxygen at elevated temperatures.

Abstract: A color-bearing textile product which comprises fibers, a silver-gray metal layer formed on the surface of said fibers by sputtering, and a metal layer or metal compound layer of chromatic color formed on the surface of said metal layer by sputtering. The silver-gray metal layer is, for example, formed of titanium. The metal layer or metal compound layer of chromatic color is, for example, formed of gold, silver, copper, brass, or titanium nitride.

Abstract: A rob material includes an elongated matrix made of synthetic resin, a plurality of first elongated textile elements, and a plurality of second elongated textile elements, the first and second elements being embeded within the matrix, parallel to each other along the matrix, each of the first elements being composed of a plurality of yarns braided together, the second elements having a lower breaking elongation rate than said first elements. In such a rod material, the second elements have a substantially complete elasticity, and the first elements have such an elongation rate as to elongate further after the fracture of the second elements. Therefore, the stress-strain curve of the rod material shows a high elastic modulus in the elastic region and a high breaking elongation rate. In other words, the stress-strain behavior is similar to that of steel rods.

Abstract: A metal matrix composite is produced by plastically deforming a metal powder, either before or after blending the powder with ceramic fibers, and compacting the mixture at elevated temperatures to achieve substantially full density. Imparting strain energy to the metal allows reduction of the compaction temperature to eliminate reaction between the fibers and the metal or degradation of the fibers. Silicon nitride fibers are thermodynamically superior for use in aluminum or titanium metal matrix composites, since silicon nitride fibers are more stable at the temperatures required for full compaction. Secondary phase reactions are avoided.

Abstract: Machine parts are disclosed which are subjected to rolling or sliding conditions, wherein the friction partners are protected by layers with low static and dynamic coefficients of friction which are selected with regard to their tribological properties and whereby the layers are constituted by carbides and/or nitrides and/or carbonitrides and/or borides and/or silicides and/or oxides of an element or elements selected from Groups III to VIII of the Periodic Table in the form of mixtures or mixed crystals which are deposited in a suitable manner and, according to their physiochemical properties, are combined for the particular application. Preferably one of the friction partners comprises TiC or MoSi.sub.2 and the other comproses TiN or SiC or Si.sub.3 N.sub.4.

Abstract: According to the process by which the textile material is made, the titanium dioxide pigment having a particle size of at least about 0.18 micron is exhausted from a dispersion of same onto the textile material at a pH below approximately 7.5. Subsequent heat setting of the polyester textile material improves retention of the titanium dioxide pigment.

Abstract: An extrusion process for the manufacture of insulated winding wires. Part crystalline thermoplastic polycondensates with crystallite melting points above 170.degree. C., preferably above 250.degree. C., are extruded. Polyethylene terephthalate is the polycondensate of choice. These are filled with 5-15% by weight titanium dioxide. The result is the avoidance of fissure formation.

Abstract: A coated electrode for arc welding, comprising a steel wire core having a flux coating therein, the flux consisting essentially of 6-24% of TiO.sub.2, 2-15% of MgO, 10-30% of SiO.sub.2, 5-15% of Mn, 1-6% of Al.sub.2 O.sub.3, 20-60% of iron powder, not more than 2.5% of iron oxide and 0.5-2.5% of an organic component and having a weight ratio of MgO/(TiO.sub.2 +Al.sub.2 O.sub.3) in the range of 0.15-0.7, and a binder for the flux.

Abstract: There is provided an improved basic coated welding rod for downhand welding of fixed pipes. The coating contains by weight on a dry basis 22 to 28% of calcium carbonate, 1.5 to 3% of calcium fluoride, 7 to 14% of titanium dioxide, 35 to 55% of iron, and 5 to 25% of at least one element selected from the group consisting of chromium, manganese, silicon, nickel and molybdenum. The ratio of the coated welding rod diameter to the core wire diameter is between 1.45:1 and 1.70:1. Preferably the ratio of calcium carbonate to calcium fluoride in the coating is between 10:1 and 20:1. Advantageously, at least 35% of the iron in the coating is iron powder.

Abstract: The invention is directed to resins which are the reaction product of an amino or mercapto substituted azole and a polyepoxide wherein the ratio of equivalents of the azole to the polyepoxide is from about 0.5:1.0 to about 1.5:1.0, preferably from about 0.9:1.0 to about 1.1:1.0. The resins can be acid or base solulized depending on whether amino or mercapto substituted azoles were used in their preparation. The invention is also directed to storage stable compositions which cure at relatively low temperatures in short periods of time comprising specified amounts of the resin containing azole-functionality, polyepoxides, organic solvents, and optionally pigments and additives.

Abstract: A polyester fiber textile material made by the application of titanium dioxide pigment thereto is provided. According to the process by which the textile material is made, the titanium dioxide pigment having a particle size of at least about 0.18 micron is exhausted from a dispersion of same onto the textile material at a pH below approximately 7.5. Subsequent heat setting of the polyester textile material improves retention of the titanium dioxide pigment.

Abstract: The coating composition consists essentially of, by weight, 6-20% cane bagasse, 10-15% potassic feldspar, 40-50% rutile concentrate, 8-12% calcium carbonate, 10-12% ferromanganese and 10-13% potassic mica, wherein the potassic feldspar has the following composition:______________________________________ SiO.sub.2 65-75% Al.sub.2 O.sub.3 10-15% Fe.sub.2 O.sub.3 1-2% CaO 1-1.5% Na.sub.2 O 4-10% K.sub.2 O 4-12% TiO.sub.

Abstract: A coated electrode is provided comprising a metal core rod and a sheath coating enveloping said rod, said sheath consisting essentially of at least one hard phase-forming element in particulate form bonded to said rod, said sheath containing an amount of a solid metal halogenide ranging from over 0.01 to 3% by weight of said sheath effective to provide a weld deposit in which hard phases are uniformly distributed therethrough.

Abstract: This invention relates to a gas shielded-type coated arc welding electrode, more particularly to the coated electrode consisting of a mild steel core and coating material which comprises 20 - 40% organic material by weight of a total coating material, and 5 - 25% anhydrous sodium silicate by weight of said of organic material wherein the molar ratio of SiO.sub.2 /Na.sub.2 O within said of anhydrous sodium silicate is 2.5 - 3.5. Such an electrode displays improved coating material moisture resistance and usability.

Abstract: The present invention relates to a coated welding electrode containing at least 0.5% of Cr based on the total weight of the welding electrode and comprising a metal core and a coating flux composition. In this welding electrode, the content of Na and K components in the coating flux calculated as (Na.sub.2 O + K.sub.2 O) is reduced below 1% based on the total weight of the coating flux composition, whereby amounts of fumes generated at the welding step, especially the amount of toxic soluble Cr, are suppressed and minimized.

Abstract: A method of making flux-covered welding electrodes which are resistant to moisture absorption wherein untreated covered electrodes are treated with a dilute aqueous dispersion of at least one material taken from the class of silicon bearing materials consisting of colloidal amorphous solid silicas, quaternary ammonium colloidal silica sols and soluble silicates of lithium and potassium.

Abstract: Directed to a welding flux and covered welding electrodes, and, more particularly, to covered electrodes having a nickel-chromium-iron alloy core and a special flux coating or covering, which electrode is capable of joining similar and dissimilar metals and which produces, in all positions, sound welds free from cracking and porosity and deposits having excellent corrosion resistance.

Abstract: Polymeric compounds containing at least one poly(oxyalkylene) chain and at least one thiosulphuric acid or thiosulphate group, and the cured products thereof, having useful application to textile fibers and to human hair. The compounds containing more than one thiosulphuric acid or thiosulphate group are curable and can be used with advantage in textile finishing, for example in the pigment dyeing and printing of fibrous materials including natural and synthetic fibers and blends thereof, in imparting shape stabilization or antistatic properties to fibers or fabrics, and for the flat setting and permanent creasing of fabrics. The compounds may be applied to hair to improve its handle and for permanent waving and setting.

Abstract: Nickel-chromium-silicon steel electrode for arc welding provides maraging stainless steel weld deposits having desirable strength, toughness and corrosion resistance in age-hardened condition. Electrode arc can be shielded with inert gas or with lime-cryolite-titania flux containing specially controlled proportions of manganese.