Abstract: A magnetic core material made of a Fe-Co base alloy for use at high frequencies, and has excellent high-frequency alternating magnetic properties. The core material composition is Co: 45-53% by weight, C: 0.3-3% by weight, one or both of Mn and Si: 0.1-2% by weight, at least one of Mg, Ca, and Ce: 0.1-0.2% by weight, and the remainder Fe and unavoidable impurities. The structure of the alloy comprises a ferrite matrix containing graphite in an amount of from 1-20% by volume dispersed therein. The material is applied, for example, in a dot impact printer and to a pulse motor.

Abstract: An amorphous alloy free of magnetostriction is employed in anti-theft labels, magnetic field detectors or the like, having a saturation induction of B.sub.s .ltoreq.0.5T and a good responsiveness given an annealing treatment in the magnetic field for achieving a remanance relationship of B.sub.r /B.sub.s >0.6.

Abstract: An alloy target used for manufacturing a magneto-optical recording medium, wherein the component and composition comprises 10-50 atom % of at least one of rare earth elements selected from the group consisting of Nd, Sm, Gd, Tb, Dy, Ho, Er and Tm, from 0.

Abstract: An amorphous magnetic alloy of Co-Nb-Zr system contains Co, Nb and Zr and has a composition which falls, in terms of atomic percent, within the region defined by straight lines connecting, in a ternary composition diagram assuming the total of contents of these three elements to be 100, a point (81% Co, 14% Nb, 5 Zr), a point (88% Co, 9% Nb, 3% Zr), a point (86.5% Co, 12.5% Nb, 1% Zr) and a point (81% Co, 18% Nb, 1% Zr). Disclosed also is a magnetic head having a core at least a part of which is constituted by this amorphous magnetic alloy. This magnetic head, when used in combination with a metal powder tape having a high coercive force, provides a remarkably increased recording-reproducing output.

Abstract: A series of glassy metal alloys with near zero magnetostriction and Perminvar characteristics of relatively constant permeability at low magnetic field excitations and constricted hysteresis loops is disclosed. The glassy alloys have the compositions Co.sub.a Fe.sub.b Ni.sub.c M.sub.d B.sub.e Si.sub.f where M is at least one member selected from the group consisting of Cr, Mo, Mn and Nb, and "a-f" are in atom percent where "a" ranges from about 66 to 71, "b" ranges from about 2.5 to 4.5, "c" ranges from about 0 to 3, "d" ranges from about 0 to 2 except when M.dbd.Mn in which case "d" ranges from about 0 to 4, "e" ranges from about 6 to 24 and "f" ranges from about 0 to 19, with the proviso that the sum of "a", "b" and "c" ranges from about 72 to 76 and the sum of "e" and "f" ranges from about 25 to 27. The glassy alloy has a value of magnetostriction ranging from about -1.times.10.sup. -6 to about +1.times.10.sup.-6, a saturation induction ranging from about 0.

Abstract: A soft magnetic amorphous ternary alloy of Co-Ta-Hf which comprises a composition represented by Co.sub.x Ta.sub.y Hf.sub.z, wherein the composition ratio of x, y and z ranges, in atomic %,81%.ltoreq.x.ltoreq.85%8%.ltoreq.y.ltoreq.13%5%.ltoreq.z.ltoreq.10%1.ltoreq.y/z.ltoreq.2.5and x+y+z=100%. Thus, the refractory amorphous alloy has excellent thermal stability, preferable soft magnetic property, high mass productivity, and can be heat treated at 500.degree. C. or higher.

Abstract: A soft magnetic cobalt/iron alloy with high saturation magnetization comprising 0.15%-0.5% tantalum or niobium or tantalum plus niobium, 33-55% cobalt, the balance consisting of iron apart from very minor alloy ingredients and incidental impurities.

Abstract: The iron-cobalt type soft magnetic material contains 35% to 60% by weight of cobalt, 0.03% to 2.0% by weight of aluminum, the remainder being iron, and is prepared by powder metallurgy.

Abstract: A permanent magnetic material having a main phase of the R.sub.2 (Co.sub.1-x Fe.sub.x).sub.14 B type in which R represents Nd, Pr and/or Tb, or a combination of one of these with at least one other member of the group of rare earth metals and Y, and in which O.ltoreq.x.ltoreq.0.2. Magnets can be produced of this material by means of a powder-metallurgic process resulting in magnets having a combination of a high T.sub.c and a high .sub.I H.sub.c.

Abstract: A method of improving the elevated temperature oxidation resistance of non-iron base alloys, especially nickel and cobalt base alloys by the addition of dopants to the oxide scale formed on a broad range of non-iron base alloys such as wrought or cast nickel or cobalt base heat resistant alloys.

Abstract: Disclosed is a wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: 45-60% of either Ni or Co or both with cobalt content of at least 5%, at least one of 0.1-2% of Hf and 0.05-2% of Re, 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi, 0-2% of C, and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn, the balance being Ti and incidental impurities, the percent being atomic percent.

Abstract: A fine crystalline thin wire of a cobalt base alloy having a composition of the formula;CokMlBmSinwhere Co is cobalt; M is at least one of the transition metals of groups IV, V and VI of the periodic table; B is boron; Si is silicon; K, l, m and n represent atom percent of Co, M, B and Si, respectively, and have the following values:k=40-78l=10-50m=2-15n=8-20and the fine crystal grains in the thin wire having an average size of no more than 5 .mu.m.

Abstract: A rare earth element-cobalt (RCo.sub.5) type magnetic powder suitable for the manufacture of a resinous magnet is produced by a method comprising the steps of mixing the oxides of the rare earth elements consisting of Sm, a first member comprising at least one element selected from between La and Ce, and a second member comprising at least one element selected from between Pr and Nd with a reducing agent and cobalt powder, heating the resulting mixture in the normal-pressure atmosphere of an inert gas to a temperature in the range of 900.degree. to 1,100.degree. C., then elevating the temperature of the mixture to a level in the range of 1,150.degree. to 1,200.degree. C., subsequently cooling the heated mixture to 800.degree. C. at a temperature decreasing rate in the range of 1.degree. to 5.degree. C./minute, lowering the temperature from 800.degree. C. to 700.degree. C. at a temperature decreasing rate of not less than 10.degree. C./minute, cooling the mixture further to a level in the range of 400.degree.

Abstract: Amorphous alloys containing zirconium as an amorphus forming metal and having the formula X.sub..alpha. Z.sub..gamma. wherein X is at least one of Fe, Co and Ni, .alpha. is 80 to 92 atomic %, Z is zirconium, .gamma. is 8 to 20 atomic % and the sum of .alpha. and .gamma. is 100 atomic %, cause very little variation of properties during aging and embrittlement because they contain no metalloid as the amorphous forming element, and they further have excellent strength, hardness, corrosion resistance and heat resistance and maintain superior magnetic properties which are characteristic of iron group elements.

Abstract: A magneto-optical recording medium comprising a perpendicularly magnetized amorphous film made of an alloy of the formula: (R.sub.1-x M.sub.x).sub.a (Fe.sub.1-y Co.sub.y).sub.100-a, wherein R is at least one of La, Ce, Pr, Nd, Sm, Ho, Er and Yb; M is at least one of Tb, Gd and Dy; 0.ltoreq.x<0.5; 0<y<1; and 10.ltoreq.a.ltoreq.40, is large in the Kerr rotation angle, excellent in coercivity and affords a larger read output-to-noise ratio (C/N).

Abstract: An anisotropic rare earth magnet material is provided by a sputtering technique. The material has structural and magnetic anisotropy. Its composition is represented essentially by the following formula:(R.sub.1-a O.sub.a).sub.b M.sub.1-bwherein R means at least one of rare earth metal elements of Y and the lanthanide series of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu or a combination of Hf and at least one of the foregoing rare earth metal elements, M denotes Co or a combination of Co and at least one of Fe, Cu, Zr, Ti, Al and B, a is not greater than 0.05 (a.ltoreq.0.05), and b ranges from 0.1 to 0.5 (b=0.1-0.5).

Abstract: Antibiotic alloys adapted for making sanitary articles, such as orthodontic fittings and component parts of water purifying apparatus, the alloy containing cobalt to impart an antibiotic ability hereto, and iron and nickel to enhance the workability thereof so that the alloy can be easily worked into intricate shapes.

Abstract: Magnetically hard compositions having high values of coercivity, remanence and energy product contain rare earth elements, transition metal elements and boron in suitable proportions. The preferred rare earth elements are neodymium and praseodymium, and the preferred transition metal element is iron. The magnetic alloys have characteristic very finely crystalline microstructures.

Abstract: An amorphous Co-based metal filament having a circular cross-section made of an alloy composed mainly of Co-Si-B or Co-Me-Si-B (wherein Me is at least one metal selected from the group consisting of Fe, Ni, Cr, Ta, Nb, V, Mo, Mn, W and Zr). This filament is produced by jetting the above alloy into a rotating member containing therein a cooling liquid through a spinning nozzle having a hole diameter which is determined according to the amorphous metal-forming ability (critical thickness to form an amorphous phase) to thereby cool-solidify the jetted molten alloy and form a filament, and then winding the filament continuously on the inner walls of the rotating member by the rotary centrifugal force thereof. This amorphous metal filament is corrosion resistant, is tough and has high electromagnetic characteristics, and is very useful as industrial materials, such as electric and electronic parts, composite materials and fibrous materials.

Abstract: Amorphous metallic precipitates having the formula (M.sub.1).sub.a (M.sub.2).sub.b wherein M.sub.1 is at least one transition metal, M.sub.2 is at least one main group metal and the integers "a" and "b" provide stoichiometric balance; the precipitates having a degree of local order characteristic of chemical compounds from the precipitation process and useful electrical and mechanical properties.

Abstract: Magnetically hard compositions having high values of coercivity, remanence and energy product contain rare earth elements, transition metal elements and boron in suitable proportions. The preferred rare earth elements are neodymium and praseodymium, and the preferred transition metal element is iron. The magnetic alloys have characteristic very finely crystalline microstructures.

Abstract: An improved alloy used in the form of an amorphous soft magnetic thin film having a desirable combination of saturation magnetic flux density and saturation magnetostriction constant, the alloy having the compositional formula:Co.sub.x Zr.sub.y Pd.sub.zwherein:0.85.ltoreq.x.ltoreq.0.940.04.ltoreq.y.ltoreq.0.070.01.ltoreq.z.ltoreq.0.10.

Abstract: Wear-resistant materials and articles, wherein an amorphous material having a hardness of greater than about 1600 VHN is utilized to protect wear-susceptible portions of substrates or is itself made into a wear-resistant article. Amorphous materials having hardnesses greater than about 1600 VHN are found to have surprisingly great wear resistance and can be used to prepare wear-resistant articles. Particularly satisfactory results have been obtained with metal-metalloid systems such as W--Ru--B, Re--Mo--B, Mo--Ru--B, and Co--Nb--B materials.

Abstract: Ferromagnetic material for temperature sensitive elements or parts has a direction of easy magnetization which varies depending upon temperature. The material has the formula:Nd.sub.1-u R.sub.u (Co.sub.1-x M.sub.x).sub.zwherein R is one or more rare earth elements, M is at least one element selected from the group consisting of B, Al, Si, Ti, V, Cr, Mn, Fe, Ni, Cu, Zr, Nb, Ta, Mo, W, Hf, Pd, Sn and Pb, 0.ltoreq.u.ltoreq.0.5, 0<x<0.4 and 4.4.ltoreq.z.ltoreq.5.5.

Abstract: Amorphous alloys having high strength, high hardness, high crystallization temperature, high saturation magnetic induction, low coercive force, high magnetic permeability and particularly low deterioration of magnetic properties with lapse of time, have a composition formula ofT.sub.a X.sub.b Z.sub.c or T.sub.a' X.sub.b' Z.sub.c' M.sub.d,whereinT is at least one of Fe, Co and Ni,X is at least one of Zr, Ti, Hf and Y,Z is at least one of B, C, Si, Al, Ge, Bi, S and P,a is 70-98 atomic %,b is not more than 30 atomic %,c is not more than 15 atomic %,sum of a, b and c is 100 atomic %,M is at least one Mo, Cr, W, V, Nb, Ta, Cu, Mn, Zn, Sb, Sn, Be, Mg, Pd, Pt, Ru, Os, Rh, Ir, Ce, La, Pr, Nd, Sm, Eu, Gd, Tb and Dy,a' is 70-98 atomic %,b' is not more than 30 atomic %,c' is not more than 15 atomic %,d is not more than 20 atomic %, andsum of a', b', c' and d is 100 atomic %.

Abstract: This invention is directed to a samarium-cobalt type magnetic powder for use in making a resin magnet, characterized by substantially comprising a SmCo.sub.5 single phase and consisting of, by weight, 32.7 to 33.4% samarium, 65 to 67% cobalt, not more than 1.5% as a total of lanthanum, cerium, praseodymium and neodymium and the balance inevitably entrained impurities.

Abstract: Electrical contacts to or mechanical connections between components and provided by using a thin layer of an alloy consisting of metals and metalloids. Such a layer shows excellent adhesion to glass or semiconductor substrates.

Abstract: A fine amorphous metallic wire having a circular cross section and stability to a bias magnetic field, said wire being composed of an alloy having the following composition formula(Co.sub.1-a Fe.sub.a).sub.100-x-y-z Si.sub.x B.sub.y Mn.sub.zwherein x<20 atomic %, 7 atomic %.ltoreq.y<35 atomic %, 7 atomic %<x+y.ltoreq.35 atomic %, 0.1 atomic %.ltoreq.z.ltoreq.3 atomic %, and 0.01.ltoreq.a.ltoreq.0.1. The fine amorphous metallic wire has low magnetostriction, high magnetic permeability, high saturation magnetic flux density, and excellent toughness, and is stable against a bias magnetic field. Hence, it can be used as a material for electromagnetic devices such as a coordinate reading device, a current sensor, an eddy current sensor, a magnetic sensor, or a displacement sensor.

Abstract: A fine amorphous metallic wire having a circular cross section and stability to a bias magnetic field, said wire being composed of an alloy having the following composition formula(Co.sub.1-a-b Fe.sub.a M.sub.b).sub.100-x-y Si.sub.x B.sub.ywherein M is at least one element selected from Cr, Mo, Ni, Nb, Ta, Pd, Pt, and Cu, x<20 atomic %, 7 atomic %.ltoreq.y<35 atomic %, 7 atomic %<x+y.ltoreq.35 atomic %, 0.01.ltoreq.a.ltoreq.0.1, and 0.001.ltoreq.b.ltoreq.0.05. The fine amorphous metallic wire has low magnetostriction, high magnetic permeability, high saturation magnetic flux density, and excellent toughness, and is stable against a bias magnetic field. Hence, it can be used as a material for electromagnetic devices such as a coordinate reading device, a current sensor, an eddy current sensor, a magnetic sensor, or a displacement sensor.

Abstract: Long range ordered alloys are described having the nominal composition (Fe,Ni,Co).sub.3 (V,M) where M is a ductility enhancing metal selected from the group Ti, Zr, Hf with additions of small amounts of cerium and niobium to drammatically enhance the creep properties of the resulting alloys.

Abstract: Amorphous metallic precipitates having the formula (M.sub.1).sub.a (M.sub.2).sub.b wherein M.sub.1 is at least one transition metal, M.sub.2 is at least one main group metal and the integers "a" and "b" provide stoichiometric balance; the precipitates having a degree of local order characteristic of chemical compounds from the precipitation process and useful electrical and mechanical properties.

Abstract: Amorphous alloys containing zirconium as an amorphous forming metal and having teh formula X.sub..alpha. Z.sub..gamma. wherein X is at least one of Fe, Co and Ni, .alpha. is 80 to 92 atomic %, Z is zirconium, .gamma. is 8 to 20 atomic % and the sum of .alpha. and .gamma. is 100 atomic %, cause little variation of properties during aging and embrittlement because they contain no metalloid as the amorphous forming element, and they further have excellent strength, hardness, corrosion resistance and heat resistance and maintain superior magnetic properties which are characteristic of iron group elements.

Abstract: A novel composite target material that is composed of a rare earth metal and a transition metal (iron-group metal) and which is used in the formation of a thin magnetooptical recording film by sputtering is disclosed. Also disclosed is a process for producing such composite target material.The process comprises the steps of providing a rare earth metal and an iron-group transition metal as separate entities, mixing these metals without alloying, and hot-forming the mixture at a temperature lower than the eutectic point of the system of metallic components in the mixture, thereby forming an intermetallic compound at the interface between the rare earth metal and the transition metal while causing said metals to be bonded together.The target material produced by this process contains 30-50 wt % of the rare earth metal, with the balance being made of the iron-group transition metal and incidental impurities.

Abstract: A magnetic amorphous alloy having a compositional formula(Co.sub.100-y Fe.sub.y).sub.100-x Zr.sub.100-w Nb.sub.w).sub.xin which 5.ltoreq.x.ltoreq.10, 0.5.ltoreq.y.ltoreq.4, and 20.ltoreq.w.ltoreq.90.

Abstract: An improved amorphous soft magnetic material particularly useful as a thin film for a magnetic recording and reproducing head. The amorphous material has the formula:Co.sub.1-x-y Hf.sub.x Pd.sub.ywherex is in the range from 0.04 to 0.08 andy is in the range from 0.005 to 0.15.The thin film is characterized by a high saturation magnetic flux density and a low saturation magnetostriction constant.

Abstract: The present invention provides a method for producing a consolidated article composed of a transition metal alloy. The method includes the step of selecting a rapidly solidified alloy which is at least about 50% glassy. The alloy is formed into a plurality of alloy bodies, and these alloy bodies are compacted at a pressing temperature of not more than about 0.6 Ts (solidus temperature in .degree.C.) to consolidate and bond the alloy bodies together into a glassy metal compact having a density of at least about 90% T.D. (theoretical density). The compacted glassy alloy bodies are then heat treated at a temperature generally ranging from about 0.55-0.85 Ts, but, in any case, above the alloy crystallization temperature, for a time sufficient to produce a fine grain crystalline alloy structure in the compacted article.

Abstract: The invention provides a magnetic head having a core which includes a thin amorphous alloy film having a composition of Co.sub.a M.sub.b T.sub.c X.sub.d, for 70.ltoreq.a.ltoreq.95, 0.ltoreq.b.ltoreq.20, 3.ltoreq.c.ltoreq.20, 0.ltoreq.d<10, and a+b+c+d=100, where M is at least one metal selected from the group consisting of Fe, Ni, Cr, Mo, W and Mn, T is at least one metal selected from the group consisting of Ti, Zr, Hf, Nb and Ta, and X is at least one material selected from the group consisting of Si, B, C, Al and Ge; and a substrate having excellent resistance to wear and having the thin amorphous alloy film on a major surface thereof, wherein the thin amorphous alloy film is located at least in a portion adjacent a magnetic gap portion of the core which slidably contacts a magnetic recording medium is made of an amorphous alloy.

Abstract: Disclosed is a comprising a powdered alloy composed of 23 to about 29% by weight of samarium, 0.2 to about 7% by weight of titanium, 3 to about 9% by weight of copper, 10 to about 25% by weight of iron, and the balance of cobalt principally; said powdered alloy being sintered to obtain a sintered body, followed by(a) annealing the sintered body at a cooling rate of not more than 5.degree. C./min from an annealing-initiating temperature of from 600.degree. to 900.degree. C., or(b) subjecting the sintered body to a multi-stepwise aging processing initiated from a higher temperature to a lower temperature within the temperature range of from 350.degree. to 900.degree. C.The magnet is excellent in all the magnetic properties such as residual magnetic flux density, coercive force and maximum energy product, and also excellent in antioxidation property.

Abstract: A magnetic recording medium comprising a substrate, an underlayer provided on the substrate and having a high permeability magnetic film and a relative permeability in all directions in the film surface of not less than 800, and a recording medium layer provided on the underlayer and having a perpendicular anisotropy. The recording and reproduction characteristics of this magnetic recording medium do not vary even when the direction of movement thereof with respect to a magnetic head varies. When it is applied to a magnetic disc, preferable results can be obtained.

Abstract: The invention provides a method for producing a magnetic bias field in a magnetic bubble domain memory device. The method comprises coupling a magnetic bubble domain element with a permanent magnet. The permanent magnet is formed of a rare earth metal-containing alloy for use in the bubble domain memory device in respect of the reversible temperature coefficient of the magnet capable of being in compliance with the temperature coefficient of the bubble disappearance field of the memory device. The alloy characteristically contains nickel as an essential component so that the composition of the alloy is expressed by the formulaR(Co.sub.1-x-y Cu.sub.x Ni.sub.y).sub.z,in which R is a rare earth element, e.g. samarium or cerium, and s, y and z are each a positive number from 0.001 to 0.4, from 0.001 to 0.6 and from 4.0 to 9.0, respectively, with the proviso that x+y is smaller than 1.

Abstract: A permanent magnet of R.sub.2 Co.sub.17 type crystal structure consisting essentially of, in percent by weight, at least one rare earth element within the range of 24 to 28, cobalt within the range of 48 to 53, copper within the range of 2 to 4.9, iron within the range of 18 to 30 and zirconium within the range of 1.7 to 3.0. By substituting zirconium for a portion of copper an optimum combination of coercive force and residual magnetization (saturation induction) may be achieved.

Abstract: A nonequilibrium state material, typically a rare-earth-transition metal, for reversible hydrogen storage. A rare earth-transition metal such as a rare earth cobalt alloy, like a samarium-cobalt or a lanthanum-nickel alloy, is provided in the amorphous or metastable crystalline state as a hydrogen absorbing material, particularly for use in a hydrogen storage and retrieval system, such as a fluidized bed or stacked plate hydrogen storage cell. The rare-earth-transition metal material is rapidly cooled from the liquid state to avoid the transition to a full crystalline state thereby obtaining an amorphous or quasi-stable crystalline state material which has the property of enhanced hydrogen storage capacity as well as being substantially immune to fracturing.

Abstract: An amorphous alloy for a magnetic head has a composition which may be represented asCo.sub.100-T-X-Y-Z Re.sub.T Hf.sub.X B.sub.Y Si.sub.Z,where T, X, Y and Z satisfy the conditions of 0.2.ltoreq.T.ltoreq.1.5, 6.ltoreq.X.ltoreq.15, 3.ltoreq.Y.ltoreq.8 and 0.ltoreq.Z.ltoreq.0.01. Such an amorphous alloy has a high crystallization temperature, said temperature being higher than 500.degree. C., and does not lower the effective magnetic permeability, even if gradual cooling is performed after heat treatment. A magnetic head having a core consisting of such an amorphous alloy is not deteriorated in its magnetic properties, even if the head is made by glass bonding.

Abstract: An amorphous alloy for a magnetic head has a composition which may be represented asCo.sub.100- T- X- Y- Z Ni.sub.T Hf.sub.X B.sub.Y Si.sub.Z,where T, X, Y and Z satisfy the conditions of 0.75.ltoreq.T.ltoreq.14, 6.ltoreq.X.ltoreq.15, 3.ltoreq.Y.ltoreq.8, 0.ltoreq.Z.ltoreq.0.01, 3.ltoreq.Y+Z.ltoreq.13, and 11.ltoreq.X+Y+Z.ltoreq.25. Such an amorphous alloy has a high crystallization temperature, said temperature being higher than 500.degree. C., and does not lower the effective magnetic permeability, even if gradual cooling is performed after heat treatment. A magnetic head having a core consisting of such an amorphous alloy is not deteriorated in its magnetic properties, even if the head is made by glass bonding.

Abstract: A magnet alloy which has a combination of high energy product and remanence, which magnet alloy consists essentially of, in weight percent, 10 to 30 samarium, 10 to 20 of an additional rare earth element selected from the group consisting of praseodymium and neodymium and the balance cobalt; iron and tin may also be added to the alloy.

Abstract: Disclosed is a coated substrate article coated with an alloy powder containing, in weight percent, 7 to 19 silicon, up to 5 copper balance nickel, cobalt and/or iron plus impurities. The articles may be coated by a variety of spray coating processes; however, plasma spray coating is preferred. The coated article is especially suited for use in severe conditions of wet corrosion.

Abstract: A soft magnetic material having a low coercive force and a high permeability without reduction in saturation magnetic flux density is composed of a Co-base Co-Hf-Ta amorphous alloy containing 1 to 5 atoms % Hf and 4 to 10 atoms % Ta. The amorphous alloy is prepared by sputtering, etc.

Abstract: A homogeneous boron containing alloy is disclosed with a composition which can be essentially represented by the formula of: M.sub.i T.sub.j B.sub.k where M is a metal from the group of nickel, iron, cobalt or a mixture thereof; T is a refractory metal from the group of molybdenum, tungsten, or a mixture thereof; and B is the element boron. The subscripts i, j, k are the respective atomic percent of each of the constituents and vary respectively between about 25 and 98, between about 1 and 40, and between 1 and 35 with the proviso that j>k, and i+j+k=100. By further limitation of the chemistry, it is possible to assure the alloy will age harden.

Abstract: A homogeneous boron containing alloy is disclosed with a composition which can be essentially represented by the formula of: M.sub.i T.sub.j B.sub.k where M is a metal from the group of nickel, iron, cobalt or a mixture thereof; T is a refractory metal from the group of molybdenum, tungsten, or a mixture thereof; and B is the element boron. The subscripts i, j, k are the respective atomic percent of each of the constituents and vary respectively between about 25 and 98, between about 1 and 40, and between 1 and 35 with the proviso that j>k, and i+j+k=100. By further limitation of the chemistry, it is possible to assure the alloy will age harden.

Abstract: A ferromagnetic amorphous alloy having a composition represented by (Co.sub.x Ni.sub.y Fe.sub.z).sub.a M.sub.b G.sub.c, wherein M is Cr, Mo and/or W, G is Zr, Hf and/or Ti and x,y,z and a, b, c are selected to meet the conditions of x=1-y-z, 0.ltoreq.y.ltoreq.0.2, 0.ltoreq.z.ltoreq.0.7, a=1-b-c, 0.ltoreq.b.ltoreq.0.05 and 0.05.ltoreq.c.ltoreq.0.2 This amorphous alloy has a superior magnetic characteristic and a high thermal stability.