Abstract: Disclosed is a temperature sensitive amorphous magnetic alloy which shows a Curie point of not higher than 200.degree. C. and whose composition is represented by the formula:(M.sub.1-a Ni.sub.a).sub.100-z X.sub.zwhereinM=Co or Fe;X=at least one of P, B, C and Si;0.2.ltoreq.a.ltoreq.0.8 when M is Co, or 0.4.ltoreq.a.ltoreq.0.9 when M is Fe; and15.ltoreq.z.ltoreq.30.

Abstract: A nonprecious alloy for porcelain-bonded dental restorations consists essentially of, in approximate percentage by weight, 25-30 chromium, 5-7 molybdenum, 0-1.0 each manganese and silicon, 0-0.3 carbon and 0-4 each gallium and indium, balance cobalt, these constituents accounting for at least 99.5 percent of the alloy, the sum of the manganese and silicon being at least about 0.5 percent and the sum of the gallium and indium being at least about 1.25 percent.

Abstract: A permanent magnetic alloy comprising of an intermetallic compound of rare earth elements and transition metals, shown by the formula:R(Ni.sub.x Fe.sub.y Co.sub.1-x-y-z Cu.sub.z).sub.Awherein R is at least one selected from the lanthanide light rare earth elements including Y, such as Y, La, Ce, Pr, Nd and Sm, and0.02.ltoreq.x.ltoreq.0.55x/y=0.07-25.00.01.ltoreq.y.ltoreq.0.650.02.ltoreq.z.ltoreq.0.306.0<A<8.0Preferably, the Ni and Fe are incorporated in substantially equimolar amounts.

Abstract: There is disclosed an amorphous alloy for a magnetic core material represented by the formula(Co.sub.1-x.sbsb.1.sub.-x.sbsb.2 Fe.sub.x.sbsb.1 M.sub.x.sbsb.2).sub.x.sbsb.3 B.sub.x.sbsb.4 Si.sub.100-x.sbsb.3.sub.-x.sbsb.4wherein M is at least one element selected from the group consisting of Ti, V, Cr, Mn, Ni, Zr, Nb, Mo, Ru, Hf, Ta, W and Re, and x.sub.1, x.sub.2, x.sub.3 and x.sub.4 are numbers which satisfy relations of 0.ltoreq.x.sub.1 .ltoreq.0.10, 0.ltoreq.x.sub.2 .ltoreq.0.10, 70.ltoreq.x.sub.3 .ltoreq.79 and 5.ltoreq.x.sub.4 .ltoreq.9, respectively.According to the present invention, it could be provided an amorphous alloy suitable for a magnetic core material of a magnetic amplifier in which its coercive force is as low as 0.4 oersted or less at a high frequency of 20 KHz or more, particularly even at 50 KHz, and its rectangular ratio is as much as 85% or more.

Abstract: Novel alloys composed of two immiscible metals are made by vapor-depositing the metals simultaneously onto a suitable substrate. By way of example, alloys of iron and bismuth or cobalt and bismuth may be produced according to this invention. Many of the novel alloys have useful ferromagnetic and magneto-optical properties.

Abstract: Disclosed is an amorphous alloy for a magnetic head, which is of the formula:(Co.sub.1-a-b-c Fe.sub.a Ru.sub.b TM.sub.c).sub.100-x-y Si.sub.x B.sub.ywherein TM is at least one of Ti, V, Cr, Mn, Ni, Zr, Nb, Mo, Hf, Ta and W, and, in atomic concentrations, 0.02.ltoreq.a.ltoreq.0.08, 0.07.ltoreq.b.ltoreq.0.2, c=0 or 0.01.ltoreq.c.ltoreq.0.1, 0.ltoreq.x.ltoreq.20 and 4.ltoreq.y.ltoreq.9, which is excellent in abrasion-resistance and simultaneously has high permeability.

Abstract: An amorphous magnetic alloy having the formula Co.sub.x M.sub.y B.sub.z wherein M is zirconium, hafnium and/or titanium. When M is hafnium or zirconium 70.ltoreq.x.ltoreq.80, 8.ltoreq.y.ltoreq.15 and 10.ltoreq.z.ltoreq.16. When M is titanium, 70.ltoreq.x.ltoreq.72, 16.ltoreq.y.ltoreq.25 and 4.ltoreq.z.ltoreq.10. When M is hafnium together with titanium and/or zirconium, 70.ltoreq.x.ltoreq.80, 8.ltoreq.y.ltoreq.20 and 5.ltoreq.z.ltoreq.16.

Abstract: A cobalt based, manganese-containing glassy metal alloy is provided. The alloy has a combination of near-zero magnetostriction (+5 ppm to -1 ppm), high permeability (greater than 5,000) and high saturation induction (about 1.09 T or greater). The alloy has a composition described by the formula [Co.sub.a Fe.sub.1-a ].sub.100-(b+c) Mn.sub.b B.sub.c-d Si.sub.d, where "a" ranges from about 0.90 to 0.99, "b" ranges from about 2 to 6 atom percent, "c" ranges from about 14 to 20 atom percent and "d" ranges from zero to about 7 atom percent, with the proviso that the minimum B present is 10 atom percent. The alloys of the invention find use in magnetic recording heads, switching power supplies, special magnetic amplifiers and the like.

Abstract: An alloy of Co.sub.x Pt.sub.y with y between 10 and 30 at. % is made by sputtering with H.sub.c >500 Oe and 4.pi.M.sub.s >5000 gauss, and zero magnetostriction. For 10 to 30 at. % Co the sputtered alloy has an H.sub.c of 500-1000 Oe with 4.pi.M.sub.s of 4000-14000 gauss, a magnetostriction passing through zero between 20 and 30 at. % of Pt. For thickness below 1000.ANG. H.sub.c is large (for the above range of alloys) and magnetization is also larger and coercivity varies as a direct function of Pt composition in the alloy up to 30 at. %.

Abstract: New nickel and cobalt base alloys containing tungsten and carbon are disclosed. The alloys are subjected to rapid solidification processing (RSP) technique which produces cooling rates between 10.sup.5 .degree. to 10.sup.7 .degree. C./sec. The as-quenched ribbon, powder, etc. consists predominantly of amorphous phase. The amorphous phase is subjected to suitable heat treatments so as to produce a transformation to a microcrystalline alloy which includes carbides; this heat treated alloy exhibits high hardness combined with toughness for many applications wherein superhard materials are required.

Abstract: An amorphous alloy of iron, boron, lanthanum, and a lanthanide wherein lanthanum and the lanthanide comprise up to 15 atomic percent of the alloy is obtained by rapidly quenching the molten alloy. The amorphous alloy is useful as a soft magnetic alloy.

Abstract: A hard magnetic alloy comprises iron, boron, lanthanum, and a lanthanide is prepared by heating the corresponding amorphous alloy to a temperature from about 850 to 1200 K. in an inert atmosphere until a polycrystalline multiphase alloy with an average grain size not exceeding 400 A is formed.

Abstract: A brazing alloy, particularly suited for use in high temperature gas turbine engines has a composition range which exhibits X-ray inspection capability, adequate stress rupture properties, ductility and oxidation resistance. The brazing alloy composition consists essentially of about 25-95% Pd, up to about 5% Si, up to about 3.5% B, balance being Co and incidental impurities, all percentages being by weight. The brazing alloy is capable of brazing in the 1800.degree.-2100.degree. F. temperature range and is less costly than current Au-bearing brazing alloys currently in use for brazing in this temperature range.

Abstract: The present invention is a chemically homogeneous microcrystalline powder for deposition onto a substrate. The powder is a B containing alloy based in Fe, Ni, Co or a combination thereof.

Abstract: This invention relates to an alloy suitable for the production of permanent magnets and based on a cobalt/rare earth metal alloy in the atomic ratio of 5:1 to 7:2, where the rare earth metal component is composed of about 40 to 60 atomic percent of samarium, about 15 to 30 atomic percent of lanthanum, about 15 to 30 atomic percent of neodymium, and the remainder is a content of other rare earth metals resulting from preparation.

Abstract: A method of converting magnetic energy to mechanical energy comprising subjecting a material of the formula R.sub.x T.sub.1-x wherein R is a rare earth or mixtures thereof, T is Fe, Ni, Co, Mn, or mixtures thereof, and 0<x<1, to a change in magnetic field and of converting mechanical energy to magnetic energy comprising subjecting a material of the formula R.sub.x T.sub.1-x to a change in pressure.

Abstract: A magnetostrictive device comprises a magnetostrictive component consisting essentially of an amorphous alloy of iron, boron, lanthanum and lanthanide.

Abstract: A relay contact made of nickel-cobalt sintered alloys with the composition 50 to 85% nickel and 50 to 15% cobalt is described.

Abstract: Permanent magnetic alloys comprising 11.5-12.5% rare earth components of which 6.3-12% is samarium and 0.5-6.2% is yttrium; 0.2-2.5% hafnium, .[.19.5-26.5%.]. .Iadd.10.5-26.5% .Iaddend.iron, 7-10.5% copper, and 52-70.7% cobalt, the ranges of the components being in atomic ratios. The alloys are prepared by obtaining 1-50 .mu.m. powders of the components, compacting the powder after mangetic field orientation sintering the compacted powders at 1160.degree.-1220.degree. for 1-10 hours, cooling the sintered body at a rate of at least 1.degree. C./second until the temperature is about 900.degree. C., and then annealing the body at 750.degree.-900.degree. C.