Metglas Inc.

North Conway, United States

Metglas Inc.

North Conway, United States
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Patent
Metglas Inc. | Date: 2017-01-25

Disclosed is a semi-amorphous, ductile brazing foil with a composition consisting essentially of NibalFeaCrbPcSidBeMof with approximately 30 atomic percent a approximately 70 atomic percent; approximately 0 atomic percent b approximately 20 atomic percent; approximately 9 atomic percent c approximately 16 atomic percent; approximately 0 atomic percent d approximately 4 atomic percent; e approximately 2 atomic percent; f approximately 5 atomic percent; and the balance being Ni and other impurities; where c+d+e (FR)Linvention porte sur une feuille braser ductile, semi-amorphe dont la composition est essentiellement constitue de NibalFeaCrbPcSidBeMof avec a tel que a est suprieur ou gal environ 30 pour cent atomique et infrieur ou gal environ 70 pour cent atomique; b est suprieur ou gale environ 0 pour cent atomique et infrieur ou gal environ 20 pour cent atomique; c est suprieur ou gal environ 9 pour cent atomique et infrieur ou gal environ 16 pour cent atomique; d est suprieur ou gal environ 0 pour cent atomique et infrieur ou gal environ 4 pour cent atomique; e est infrieur ou gal environ 2 pour cent atomique; f est infrieur ou gal environ 5 pour cent atomique; le reste tant du Ni et dautres impurets; la somme c+d+e tant infrieure environ 16 pour cent atomique.


An iron-based soft magnetic alloy greater than 63.5 mm in width, a thickness between 13 and 20 microns and having a composition represented by the following formula: (Fe_(1-a )M_(a))_(100-x-y-z-p-q-r)Cu_(x )Si_(y )B_(z )M_(p )M_(1 )X_(r ) wherein M is Co and/or Ni, M is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, Ti and Mo, M is at least one element selected from the group consisting of V, Cr, Mn, Al, elements in the platinum group, Sc, Y, rare earth elements, Au, Zn, Sn and Re, X is at least one element selected from the group consisting of C, Ge, P, Ga, Sb, In, Be and As, and a, x, y, z, p, q and r respectively satisfy 0a0.5, 0.1x3, 0y30, 1z25, 5


Patent
Metglas Inc. | Date: 2015-03-12

Disclosed is a semi-amorphous, ductile brazing foil with a composition consisting essentially of Ni_(ba1)Fe_(a)Cr_(b)P_(c)Si_(d)B_(e)Mo_(f )with approximately 30 atomic percent aapproximately 70 atomic percent; approximately 0 atomic percent bapproximately 20 atomic percent; approximately 9 atomic percent capproximately 16 atomic percent; approximately 0 atomic percent dapproximately 4 atomic percent; eapproximately 2 atomic percent; fapproximately 5 atomic percent; and the balance being Ni and other impurities; where c+d+e


Patent
Metglas Inc. | Date: 2014-03-18

Disclosed is a semi-amorphous, ductile brazing foil with a composition consisting essentially of Ni_(bal)Fe_(a)Cr_(b)P_(c)Si_(d)B_(e)Mo_(f )with approximately 30 atomic percentaapproximately 38 atomic percent; approximately 10 atomic percentbapproximately 20 atomic percent; approximately 7 atomic percentcapproximately 20 atomic percent; approximately 2 atomic percentdapproximately 4 atomic percent; eapproximately 2 atomic percent; fapproximately 5 atomic percent; and the balance being Ni and other impurities; where c+d+e


Patent
Metglas Inc. | Date: 2013-12-13

Disclosed is the semi-amorphous, ductile brazing foil with composition consisting essentially of Ni_(bal)Cr_(a)B_(b)P_(c)Si_(d)Mo_(e)Fe_(f )with approximately 24 atomic percentaapproximately 31 atomic percent; bapproximately 3 atomic percent; approximately 9 atomic percentcapproximately 11 atomic percent; approximately 2 atomic percentdapproximately 4 atomic percent; eapproximately 2 atomic percent; fapproximately 1 atomic percent; and the balance being Ni and other impurities; where b+c+d


Patent
Metglas Inc. and Hitachi Ltd. | Date: 2014-12-11

An FeSiBC-based amorphous alloy ribbon as thick as 20-30 m having a composition comprising 80.0-80.7 atomic % of Fe, 6.1-7.99 atomic % of Si, and 11.5-13.2 atomic % of B, the total amount of Fe, Si and B being 100 atomic %, and further comprising 0.2-0.45 atomic % of C per 100 atomic % of the total amount of Fe, Si and B, except for inevitable impurities has a stress relief degree of 92% or more.


An iron-based soft magnetic alloy greater than 63.5mm in width, a thickness between 13 and 20 microns and having a composition represented by the following formula: (F_(e1-a) M_(a))_(100-x-y-z-p-q-r) CU_(x) Si_(y) B_(z) M_(p) Mq X_(r)wherein M is Co and/or Ni, M is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, Ti and Mo, M is at least one element selected from the group consisting of V, Cr, Mn, Al, elements in the platinum group, Sc, Y, rare earth elements, Au, Zn, Sn and Re, X is at least one element selected from the group consisting of C, Ge, P, Ga, Sb, In, Be and As, and a, x, y, z, p, q and r respectively satisfy 0a0.5, 0.1x3, 0y30, 1z25, 5y+z30, 0.1p30, q10 and r10, the alloy being at least 50% crystalline with an average particle size of 100 nm or less. This alloy has low core loss, high permeability and low magnetostriction.


Patent
Metglas Inc. and Hitachi Ltd. | Date: 2015-01-07

A nanocrystalline alloy ribbon has an alloy composition represented by FeCu_(x)B_(y)Si_(z)A_(a)X_(b )where 0.6x<1.2, 10y20, 0


Patent
Metglas Inc. and Hitachi Ltd. | Date: 2015-01-07

A magnetic core includes a nanocrystalline alloy ribbon having a composition represented by FeCu_(x)B_(y)Si_(z)A_(a)X_(b), where 0.6x<1.2, 10y20, 0(y+z)24, and 0a10, 0b5, all numbers being in atomic percent, with the balance being Fe and incidental impurities, and where A is an optional inclusion of at least one element selected from Ni, Mn, Co, V, Cr, Ti, Zr, Nb, Mo, Hf, Ta and W, and X is an optional inclusion of at least one element selected from Re, Y, Zn, As, In, Sn, and rare earth elements. The nanocrylstalline alloy ribbon has a local structure such that nanocrystals with average particle sizes of less than 40 nm are dispersed in an amorphous matrix and are occupying more than 30 volume percent of the ribbon.


Patent
Metglas Inc. | Date: 2013-03-20

A plurality of parts are brazed using an iron/chromium brazing filler metal. The parts are preferably composed of stainless steel and the brazed assembly forms a heat exchanger characterized by good corrosion resistance and low rates of leaching of Ni into fluids passing therethrough. The heat exchanger is especially suited for use in processing items intended to be ingested by humans or animals. Leaching rates and corrosion resistance are further enhanced by a post-brazing conditioning step wherein the assembly is heated in an oxygen-containing atmosphere to a temperature ranging from about 150 to 600C. The preferred iron/chromium brazing filler metal consists essentially of a composition having the formula Fe_(a)Cr_(b)Co_(c)Ni_(d)Mo_(e)W_(f)B_(g)Si_(h) wherein the subscripts a b, c, d, e, f, g, and h are in atom percent and wherein, b ranges from about 5 to 20, c ranges from 0 to about 30, d ranges from 0 to about 20, e ranges from 0 to about 5, f ranges from 0 to about 5, g ranges from about 8 to 15, h ranges from about 8 to 15, and the sum a+b+c+d+e+f+g+h=100, the balance being incidental impurities present in an amount up to about 1 percent by weight of the total composition.

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