Abstract: TiAl alloy includes 46 to 50 at % of Al, 5 at % or less of combination of Mo, V and Si, provided that Si content is 0.7 at % or less, and Mo content satisfies an equation of ?0.3x +17.5 at % or less where x represents Al (at %), and the remainder being Ti and inevitable impurities. Mo may be replaced by Fe or combination of Mo and Fe. TiAl alloy is heated to a melt, poured into a mold, and cooled at a rate of 150 to 250° C./min within a temperature range of 1500 to 1100° C. The resulting product can be used as cast. If desired, however, heat treatment such as HIP or homogenization may be performed within a temperature range of 1100 to 800° C. After the heat treatment, the melt is cooled at a rate of 100° C./min or more until room temperature.

Abstract: The present invention relates to a Ni base alloy having sufficient strength at high temperatures and high corrosion resistance at high temperatures in a high-temperature composite corrosive environment in which chlorination or sulfidation occurs simultaneously with high-temperature oxidation, without excessive cooling or surface protection. According to the present invention, a Ni base alloy having high-temperature strength and corrosion resistance includes Cr in a range of from 25 to 40 weight %, Al in a range of from 1.5 to 2.5 weight %, C in a range of from 0.1 to 0.5 weight %, W of 15 weight % or less, Mn of 2.0 weight % or less, Si in a range of from 0.3 to 6 weight %, Fe of 5% or less, and Ni of rest except inevitable impurities. When strength at high temperatures is allowed to be small, W is in a range of from 0 to 8%, and Si is in a range of from 0.3 to 1% or from 1 to 6%. In order to enhance strength at high temperatures, W is in a range of from 8 to 15, and Si is in a range of from 0.

Abstract: This invention related to a novel iron base alloy using residual austenite to improve wear resistance for valve seat insert material for internal combustion engines. The residual austenite is stable even after heat treatment and liquid nitrogen chilling. The alloy comprises of 2.0-4.0 wt % carbon, 1.0-3.0 wt % silicon, 0-4.0 wt % manganese, 3.0-9.0 wt % chromium, 5.0-15.0 wt % molybdenum, 3.0-15.0 wt % nickel, 0-6.0 wt % vanadium, 0-4.0 wt % niobium, 0-6.0 wt % cobalt, and the balance being iron with impurities.

Abstract: A hard precious metal alloy member is constituted of a gold alloy, which has a gold Au content of from 37.50 to 98.45 wt %, and contains a hardening additive in a range of not less than 50 ppm but less than 15,000 ppm, wherein the hardening additive is constituted of gadolinium Gd only, or gadolinium Gd and at least one element selected from the group consisting of rare-earth elements other than Gd, alkaline-earth elements, silicon Si, aluminum Al, and boron B.

Abstract: The subject invention relates to a material for magnetic resonance imaging, and apparatus incorporating such material. The subject material can comprise cobalt, nickel, and chromium and can be used in nuclear spin tomography MRI. In specific embodiments, the subject material can be used in stents, mechanical springs, and guide wires.

Abstract: A unique austenitic iron base alloy for wear and corrosion resistant applications, characterized by its excellent sulfuric acid corrosion resistance and good sliding wear resistance, is useful for valve seat insert applications when corrosion resistance is required. The alloy comprises 0.7-2.4 wt % carbon, 1.5-4 wt % silicon, 3-9 wt % chromium, less than 6 wt % manganese, 5-20 wt % molybdenum and tungsten combined, with the tungsten comprising not more than ? of the total, 0-4 wt % niobium and vanadium combined, 0-1.5 wt % titanium, 0.01-0.5 wt % aluminum, 12-25 wt % nickel, 0-3 wt % copper, and at least 45 wt % iron.

Abstract: The present invention discloses a white gold composition consisting essentially of copper, silver, zinc, and manganese, and further consisting of small amounts of tin, cobalt, silicon/copper and boron/copper. More particularly, the white gold composition of the present invention discloses a white gold composition consisting essentially of about 36% to about 57% copper, about 10% silver, about 18.2% to about 24.2% zinc, about 14% to about 28.9% manganese, and the balance further consisting of about 1% tin, about 0.025% to about 0.03% cobalt, about 0.52% silicon/copper, and about 0.2% boron/copper. An objective of the present invention is to provide for methods and compositions of casting, fabricating and soldering white gold that does not incorporate nickel or palladium. The present invention also discloses no tarnish results when hydrogen is used as a catalyst to all compositions.

Abstract: A Co-based alloy comprising 13-16 wt % Cr, 20-30 wt % Mo, 2.2-3.2 wt % Si, and balance Co, with a Cr:Si ratio of between about 4.5 and about 7.5, a Mo:Si ratio of between about 9 and about 15, wear resistance, and corrosion resistance in both oxidizing and reducing acids.

Abstract: The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has g good room temperature ductility, excellent high temperature oxidation resistance and ductility. The alloy includes about 10 to 70 at. % iron, about 10 to 45 at. % aluminum, about 1 to 70 at. % chromium and about 0.9 to 15 at. % carbon. The invention is also directed to a material comprising a body-centered-cubic solid solution of this alloy, and a method for strengthening this material by the precipitation of body-centered-cubic particles within the solid solution, wherein the particles have substantially the same lattice parameters as the underlying solid solution. The ease of processing and excellent mechanical properties exhibited by the alloy, especially at high temperatures, allows it to be used in high temperature structural applications, such as a turbocharger component.

Abstract: A corrosive and tarnish resistant alloy comprising 13 to 25 percent by weight of gold, 20 to 36 percent by weight of silver, 23 to 32 percent by weight of copper, 16 to 25 percent by weight of zinc, and 1 to 4 percent by weight of silicate.

Abstract: A high-melting superalloy made of iridium or rhodium or both thereof as a base and containing at least nickel together with at least one a metal selected from the metal group consisting of titanium, zirconium, hafnium, vanadium, niobium, and tantalum, wherein at least both phases of an fcc phase and an LI2 phase are formed in the texture, and an amount of the LI2 phase from 20 to 80% by volume.

Abstract: A modified Ti—Mn2 hydrogen storage alloy. The alloy generally is comprised of Ti and Mn. A generic formula for the alloy is: TiQ-XZrXMnZ-YAY, where A is generally one or more of V, Cr, Fe, Ni and Al. Most preferably A is one or more of V, Cr, and Fe. The subscript Q is preferably between 0.9 and 1.1, and most preferably Q is 1.0. The subscript X is between 0.0 and 0.35, more preferably X is between 0.1 and 0.2, and most preferably X is between 0.1 and 0.15. The subscript Y is preferably between 0.3 and 1.8, more preferably Y is between 0.6 and 1.2, and most preferably Y is between 0.6 and 1.0. The subscript Z is preferably between 1.8 and 2.1, and most preferably Z is between 1.8 and 2.0. The alloys are generally single phase materials, exhibiting a hexagonal C14 Laves phase crystalline structure.

Abstract: An Fe—Ni—Cr alloy formulated to contain a strengthening phase that is able to maintain a fine grain structure during forging and high temperature processing of the alloy. The alloy contains a sufficient amount of titanium, zirconium, carbon and nitrogen so that fine titanium and zirconium carbonitride precipitates formed thereby are near their solubility limit in the alloy when molten. In the production of an article from such an alloy by thermomechanical processing, a dispersion of the fine titanium and zirconium carbonitride precipitates form during solidification of the melt and remain present during subsequent elevated processing steps to prohibit austenitic grain growth.

Abstract: A weight member for a golf club head is made of a WFeNi alloy by a precision casting process. The WFeNi alloy includes wt 15%-40% of iron, wt 30%-60% of nickel, wt 15%-30% of tungsten, wt 1.5%-10.0% of chromium, and wt 0.5%-5.0% of molybdenum. Chromium improves the rust-resisting property of the weight member. Molybdenum reduces the risk of cracks in the weight member during welding. Uniformity of shining finishing of the weight member can be improved by controlling a mixture ratio of nickel to tungsten. Manganese, copper, vanadium, and niobium may be added to improve the mechanical properties of the weight member.

Abstract: An alloy and metal matrix composite (MMC) based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. Rhenium enjoys excellent high temperature strength but oxidizes at a much lower temperature. This reduces its desirability for hot, stressed environments. The addition of substances, such as soluble metals, that attract oxygen may form a protective oxide layer over the remaining portion of the rhenium-alloy part or piece. Such soluble alloying constituents may include chromium, cobalt, nickel, titanium, thorium, aluminum, hafnium, vanadium, silicon, aluminum, and yttrium. The addition of second phase fiber or particulates such as carbides of silicon, tungsten, titanium and/or boron provides additional wear resistance in the formation of a resulting metal matrix composite (MMC).

Abstract: A weight member for a golf club head is made of a WFeNi alloy by a precision casting process. The WFeNi alloy includes nickel 30-60 wt %, tungsten 15-30 wt %, chromium 1.5-10.0 wt %, and iron that is the remaining portion. Chromium improves the rust resisting property of the weight member and lengthens the life of the weight member. Uniformity of shining finishing of the weight member can be improved by controlling a mixture ratio of nickel to tungsten. Silicon may be added to improve the flowability of the molten metal. Manganese, copper, vanadium, and niobium may be added to improve the mechanical properties of the weight member.

Abstract: An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a protective oxide layer over the remaining portion of the rhenium-alloy part or piece. Such soluble alloying constituents may include chromium, cobalt, nickel, titanium, thorium, aluminum, hafnium, vanadium, silicon, aluminum, and yttrium.

Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.

Abstract: A sputtering target consists essentially of 0.1 to 50% by weight of at least one kind of element that forms an intermetallic compound with Al, and the balance of Al. The element that forms an intermetallic compound with Al is uniformly dispersed in the target texture, and in a mapping of EPMA analysis, a portion of which count number of detection sensitivity of the element is 22 or more is less than 60% by area ratio in a measurement area of 20×20 &mgr;m. According to such a sputtering target, even when a sputtering method such as long throw sputtering or reflow sputtering is applied, giant dusts or large concavities can be suppressed in occurrence.

Abstract: A group of alloys suitable for use in a high-temperature, oxidative environment, a protective coating system comprising a diffusion barrier that comprises an alloy selected from the group, an article comprising the diffusion barrier layer, and a method for protecting an article from a high-temperature oxidative environment comprising disposing the diffusion barrier layer onto a substrate are presented.

Abstract: In accordance with the invention, nanostructured metallic materials having high tensile strength and increased ductility are prepared by providing a metallic material, deforming the metallic material to form a plurality of dislocation cell structures, annealing the material at a temperature from about 0.3 to about 0.7 of its absolute melting temperature, and cooling the annealed metallic material. The result is a nanostructured metal or alloy having increased tensile strength as compared with the corresponding coarse-grained material and substantially greater ductility as compared with nanostructured material made by conventional processes. Using this process applicants have made nanostructured alloys with tensile strengths in excess of 1.5 Gpa and ductility greater than 1 per cent strain-to-failure. They have also made nanostructured metals with tensile strength in excess of 400 MPa and ductility in excess of 50% strain-to-failure.

Abstract: A fusion weldable superalloy containing 0.005-0.5 wt. % scandium. In one embodiment, the superalloy may have a composition similar to IN-939 alloy, but having added scandium and having only 0.005-0.040 wt. % zirconium. A gas turbine component may be formed by an investment casting of such a scandium-containing superalloy, and may include a fusion weld repaired area. A scandium-containing nickel-based superalloy coated with an MCrAlY bond coat will have improved cyclic oxidation resistance due to the sulfur-gettering effect of the scandium.

Abstract: An alloy for a sacrificial anode according to a first preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.0005% to about 0.05% of Zr. The balance may be Al and any unavoidable impurities. An alloy according to a second preferred aspect of the present application includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.05% to about 0.3% of Si. The balance may be Al and any unavoidable impurities. An alloy according to a third preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.02% to about 0.2% of Ce. The balance may be Al and any unavoidable impurities. An alloy according to a fourth preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, about 0.005% to about 0.1% of Ti, and about 0.001% to about 0.02% of B. The balance may be Al and any unavoidable impurities.

Abstract: The present invention offers a minute-sized magnet with superior magnetic energy product (BH)max and coercivity iHc, as well as superior anti-corrosive properties. This magnet is comprised of an alloy comprised of 35-55 atomic % platinum, 0.001-10 atomic % third element, which is one or more elements from groups IVa, Va, IIIb, or IVb, and a remainder of iron and other unavoidable impurities. The average crystal size of this FePt alloy is 0.3 &mgr;m. By mixing an FePt alloy with a specific element in a designated ratio, an FePt magnet with more excellent characteristics than ones made from previous alloys was successfully made.

Abstract: This invention relates to a steel composition comprising, expressed in percentages by weight: 0.25-0.35% C, 24-28% Cr, 10-15% Ni, 3-6% Mn, 1.75-2.50% Nb, 0.50-0.70% N, 0-0.30% Si, provided that C+N≧0.8%, the rest consisting mainly of iron and unavoidable impurities. The invention further relates to a method for making said compositions and valves produced from said compositions or using said method and exhibiting excellent mechanical strength and oxidation resistance at temperatures between 800 and 900° C.

Abstract: Dental alloys are provided having a coefficient of thermal expansion in the range from about 8 to about 18×10−6/° C. in the temperature range of 25-500° C. and melting temperatures above about 800° C. but below about 1500° C. The alloys contain gold in combination with a small amount of chromium and/or tantalum. Other elements may also be included with the gold and chromium and/or tantalum to provide the necessary forming, melting, and mechanical properties required to manufacture the desired dental restoration.

Abstract: The addition of small amounts of CeO2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation, sulphidization and carburization.

Abstract: A metallic material of the invention which comprises, in mass %, C: not more than 0.2%, Si: 0.01-4%, Mn: 0.05-2%, P: not more than 0.04%, S: not more than 0.015%, Cr: 10-35%, Ni: 30-78%, Al: not less than 0.005% but less than 4.5%, N: 0.005-0.2%, and one or both of Cu: 0.015-3% and Co: 0.015-3%, with the balance substantially being Fe, and of which the value of 40Si+Ni+5Al+40N+10 (Cu+Co), wherein the symbols of elements represent the contents of the respective elements, is not less than 50 and has excellent corrosion resistance in an environment in which metal dusting is ready to occur and, therefore, can be utilized as or in heating furnace pipes, piping systems, heat exchanger pipes and so forth to be used in a petroleum refinery or in petrochemical plants, and can markedly improve the equipment durability and safety.

Abstract: The present invention concerns a non-precious dental alloy, including the following components, with the approximate proportions, in weight, given in %: gold, between 0.5 and 4, molybdenum, between 4 and 6, tungsten, between 2 and 7, indium, between 0.5 and 4, gallium, between 0.5 and 4, tin, between 0 and 4, titanium, between 0 and 2, copper, between 0 and 2, the remainder being obtained with a mixture containing approximately 70% cobalt and 30% chromium.

Abstract: A brazing alloy according to the present invention has a melting point equivalent to that of a copper brazing filler and is excellent in corrosion- and oxidation-resistance. The brazing alloy consists essentially of Mn, Ni and Cu, and has a composition in terms of weight percentage which, when plotted on a diagram as shown in FIG. 1, falls within a range defined by: the point A (37% Mn, 63% Ni, 0% Cu), the point B (18% Mn, 27% Ni, 55% Cu); the point C (42% Mn, 3% Ni, 55% Cu); the point D (50% Mn, 3% Ni, 47% Cu); and the point E (50% Mn, 50% Ni, 0% Cu), wherein Mn=50% is exclusive.

Abstract: A high-melting superalloy made of iridium or rhodium or both thereof as a base and containing at least nickel together with at least one a metal selected from the metal group consisting of titanium, zirconium, hafnium, vanadium, niobium, and tantalum, wherein at least both phases of an fcc phase and an LI2 phase are formed in the texture, and an amount of the LI2 phase from 20 to 80% by volume.

Abstract: Preferred embodiments of the invention provide new nanostructured materials and methods for preparing nanostructured materials having increased tensile strength and ductility, increased hardness, and very fine grain sizes making such materials useful for a variety of applications such as rotors, electric generators, magnetic bearings, aerospace and many other structural and nonstructural applications. The preferred nanostructured materials have a tensile yield strength from at least about 1.9 to about 2.3 GPa and a tensile ductility from at least 1%. Preferred embodiments of the invention also provide a method of making a nanostructured material comprising melting a metallic material, solidifying the material, deforming the material, forming a plurality of dislocation cell structures, annealing the deformed material at a temperature from about 0.30 to about 0.70 of its absolute melting temperature, and cooling the material.

Abstract: A method for producing a stainless steel with improved corrosion resistance includes homogenizing at least a portion of an article of a stainless steel including chromium, nickel, and molybdenum and having a PREN of at least 50, as calculated by the equation: PREN=Cr+(3.3×Mo)+(30×N), where Cr is weight percent chromium, Mo is weight percent molybdenum, and N is weight percent nitrogen in the steel. In one form of the method, at least a portion of the article is remelted to homogenize the portion. In another form of the method, the article is annealed under conditions sufficient to homogenize at least a surface region of the article. The method of the invention enhances corrosion resistance of the stainless steel as reflected by the steel's critical crevice corrosion temperature.

Abstract: An alloy and repair material comprising the alloy, articles comprising the alloy and repair material, and methods for repairing articles including provision of the alloy as repair material are described, with the alloy comprising ruthenium, nickel, aluminum, and chromium, wherein a microstructure of the alloy is essentially free of an L12-structured phase at temperatures greater than about 1000° C. and comprises an A3-structured phase and up to about 40 volume percent of a B2-structured phase.

Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.

Abstract: Medium- and high-density articles are formed from melting and casting alloys containing tungsten, iron, nickel and optionally manganese and/or steel. In some embodiments, the articles have densities in the range of 8-10.5 g/cm3, and in other embodiments, the articles have densities in the range of 10.5-15 g/cm3. In some embodiments, the articles are ferromagnetic, and in others the articles are not ferromagnetic. In some embodiments, tungsten forms the largest weight percent of the alloy, and in other embodiments the alloy contains no more than 50 wt % tungsten. In some embodiments, the articles are shell shot.

Abstract: The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The alloy includes about 10 to 70 at. % iron, about 10 to 45 at. % aluminum, about 1 to 70 at. % chromium and about 0.9 to 15 at. % carbon. The invention is also directed to a material comprising a body-centered-cubic solid solution of this alloy, and a method for strengthening this material by the precipitation of body-centered-cubic particles within the solid solution, wherein the particles have substantially the same lattice parameters as the underlying solid solution. The ease of processing and excellent mechanical properties exhibited by the alloy, especially at high temperatures, allows it to be used in high temperature structural applications, such as a turbocharger component.

Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.

Abstract: The invention relates to a material with high corrosion resistance in media with high chloride concentration, suitable for equipment in oil-field technology. According to the invention, for making a paramagnetic material with high yield strength, high notched impact strength, high a fatigue strength under reversed stresses and a low ductile transition temperature with concomitant improved high corrosion resistance, in particular, resistance to hole corrosion there is provided a material consisting essentially of the elements in wt. %: carbon (C) less than/equal to 0.03; silicon (Si) less than/equal to 0.89; manganese (Mn) 0.51 to 4.49; chromium (Cr) 25.1 to 38.9; molybdenum (Mo) 2.1 to 5.9; nickel (Ni) 22.9 to 38.9; copper (Cu) 0.51 to 1.49; nitrogen (N) 0.17 to 0.19; iron (Fe) the remainder, along with impurities arising during production.

Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.

Abstract: An Ni-based or Ni—Co-based heat-resistant alloy wire excellent in resistance to sag at high temperatures ranging from 600 to 700° C., which excellent resistance is most suitable for spring materials. The heat-resistant alloy wire contains (a) 0.01 to 0.40 wt % C, 5.0 to 25.0 wt % Cr, and 0.2 to 8.0 wt % Al; (b) at least one constituent selected from the group consisting of 1.0 to 18.0 wt % Mo, 0.5 to 15.0 wt % W, 0.5 to 5.0 wt % Nb, 1,0 to 10.0 wt % Ta, 0.1 to 5.0 wt % Ti and 0.001 to 0.05 wt % B; (c) at least one constituent selected from the group consisting of 3.0 to 20.0 wt % Fe and 1.0 to 30.0 wt % Co; and (d) the remaining constituent consisting mainly of Ni and unavoidable impurities. The wire has (a) a tensile strength not less than 1,400 N/mm2 and less than 1,800 N/mm2, (b) an average crystal-grain diameter not less than 5 &mgr;m and less than 50 &mgr;m in a cross section, and (c) a crystal-grain aspect ratio (a major-axis/minor-axis ratio) of 1.2 to 10 in a longitudinal section.

Abstract: An oxidation-resistant coating is described, formed of an alloy containing: about 40 to about 50 atom % aluminum and about 0.5 atom % to about 3 atom % tantalum; with a balance of nickel; cobalt, iron, or combinations thereof. The coating may also include chromium and a precious metal, as well as other components, such as zirconium or molybdenum. A method for applying the oxidation-resistant coating to a substrate is also described. The substrate can be formed of superalloy material, e.g., a turbine engine component. Related articles are also disclosed.

Abstract: A refractory metal intermetallic composition comprising titanium (Ti), hafnium (Hf), silicon (Si), aluminum (Al), chromium (Cr), germanium (Ge), tin (Sn), iron (Fe), and a balance of niobium (Nb) for use in composite structures having applications in turbine components.

Abstract: The invention relates to an alloy steel with 0.3 to 1.0% carbon, 0.2 to 2.5% silicon, up to 0.8% manganese, 30.0 to 48.0% nickel, 16.0 to 22.0% chromium, 0.5 to 18.0% cobalt, 1.5 to 4% molybdenum, 0.2 to 0.6% niobium, 0.1 to O.5% titanium, 0.1 to 0.6% zirconium, 0.1 to 1.5% tantalum and 0.1 to 1.5% hafnium, balance more than 20% iron when the cobalt content is at least 10% and more than 30% iron when the cobalt content is less than 10%. The steel is particularly suitable for use as a heat resistant and high hot strength material for parts, in particular pipes, of petrochemical cracking furnaces for the production of ethylene or synthesis gases.

Abstract: The present invention is to obtain a Ti—Zn—Mn—V—Fe based hydrogen storage alloy having the excellent hydrogen absorbing and discharging performance at a low cost. An alloy represented by the general formula: Ti1−xZrxMnw−y−zVyFez (wherein 0≦x≦0.5, 0<y≦0.6, 0<z≦0.2, and 1.8≦w≦2.2) is produced using a ferrovanadium (alloy of a V and an Fe) as one of the raw materials. The oxygen content of the alloy is limited to 5,000 ppm or less. A hydrogen storage alloy having the excellent hydrogen absorbing and discharging performance can be produced using an inexpensive ferrovanadium. Furthermore, an impurity oxygen, which adversely effect the performance, can be limited easily.

Abstract: The process for manufacturing a metallic component, such as a wheel part for the rolling system of a vehicle, which includes, in an initial stage, forming the component of a metallic material in a semi-solid state and having a thixotropic structure, and in a subsequent cold-treatment stage, cold-treating at least part of said component by blasting it with projectiles with a view to plastic deformation thereof. A wheel in which a metallic disk is welded to a wheel rim and in which the metallic disk is obtained by the manufacturing process.

Abstract: A low cost, highly heat and corrosion resistant alloy useful for the manufacture of diesel engine components, particularly exhaust valves, comprises in % by weight about 0.15-0.65% C, 40-49% Ni, 18-22% Cr, 1.2-1.8% Al, 2-3% Ti, 0.9-7.8% Nb, not more than 1% Co and Mo each, the balance being essentially Fe and incidental impurities. The Ti:Al ratio is ≦2:1 and the Nb:C weight % ratio is within a range of 6:1 and 12:1. Ta may be substituted for Nb on an equiatomic basis.

Abstract: Soft magnetic alloy of the iron-nickel type, the chemical composition of which comprises, in % by weight: 34%≦Ni≦40%; 7%≦Cr≦10%; 0.5%≦Co≦3%; 0.1%≦Mn≦1%; O≦0.007%; S≦0.002%; N≦0.004%; with N+S+O≦0.01%; iron and impurities 5 resulting from the production process. Use in motors especially suited for use in horology.

Abstract: A low-thermal expansion cast steel having an average linear thermal expansion coefficient of less than 4.0×10−6/° C. in a range of room temperature to 100° C. and excellent machinability has a chemical composition (by mass) comprising 0.4-0.8% of C, 0.5% or less of Si, 1.0% or less of Mn, 0.01-0.3% of S, 30-40% of Ni, and 0.005-0.1% of Mg, the balance being substantially Fe and inevitable impurities, the contents of S and Mn satisfying S≦(1/4) Mn or (1/4) Mn<S≦(1/4) Mn+0.05.

Abstract: To provide a hydrogen absorbing alloy having a BCC (body-centered cubic structure) as a crystal structure, and particularly a hydrogen-absorbing alloy for a nickel-hydride cell having excellent discharge capacity and durability (cycle characteristics), said hydrogen-absorbing alloy having a composition expressed by the general formula Ti(100−a−b−c−d)CraVbNicXd, where X is at least one member selected from the group consisting of Y (yttrium), lanthanoids, Pd and Pt, and each of a, b, c and d is represented, in terms of at %, by the relations 8≦a≦50, 30<b≦60, 5≦c≦15, 2≦d≦10 and 40≦a+b+c+d≦90, wherein the crystal structure of a principal phase is a body-centered cubic structure, and further, the alloy contains at least one of Mo and W in place of V and at least one member selected from the group consisting of Y (yttrium), lanthanoids, Pd and Pt, and its crystal structure is converted to the body-centered cubic structure by heat-treatment.