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Method of making iron powder - Mannesmann

Method of making an iron powder in which the particles have a fiber-like configuration, comprising the steps of providing grain iron oxide particles by spray calcinating a pickling solution that was used for pickling iron or steel;

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US2721134A - Method of making iron powder -

In the chemical process for the production of sintered iron powder, the starting materials are oxidic iron compounds, such as rolling mill sinter, hammer scale, Scandinavian iron ore concentrates...

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US3975186A - Method of making iron powder -

The reducing atmosphere may in parts include hydrogen or the last phase of reduction is carried out in hydrogen. The iron cake is cooled and broken up in a grinder. The resulting powder has low...

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method of making iron powder - erntefest2019.de

method of making iron powder_US3975186A Method of making iron powder Iron oxide particles are made by spray calcination and the oxide is reduced at least substantially in CO at temperatures between 800° and 1000° C. T

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Method of making an iron/polymer powder

A powder composition of iron-based powder particles to which is bonded a polymeric material is prepared by making a dry admixture of the iron-based particles and particles of the polymer, wetting the admixture with a solvent for the polymeric material, and removing the solvent to leave a flowable powder

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US2237867A - Method of making sponge iron

Method of making sponge iron powder Download PDF Info ... Prior art keywords iron particles powder oxide iron powder Prior art date 1940-10-29 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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US3212876A - Method for the production of iron

US3212876A - Method for the production of iron powder from sponge iron - Google Patents Method for the production of iron powder from sponge iron Download PDF

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US10562103B2 - Method of making iron nitride

Techniques are disclosed for milling an iron-containing raw material in the presence of a nitrogen source to generate anisotropically shaped particles that include iron

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PRODUCTION OF IRON AND STEEL POWDERS

1997-5-6  produce iron powder by water-atomization of liquid low-carbon iron. This powder had a high bulk density and was used as a component in the coating of the company’s welding electrodes. In 1962, the A.O.Smith Corporation in the USA was first to use water-atomization of

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Method Of Making Iron Powder - cipref-bourgogne.fr

method of making iron powder - johannsoutdoor.nl. The "Journal Iron and Steel Inst", London, 1956 pages 90 to 96, describes a method of making still lighter iron powder Iron oxide (Fe 2 O 3) is reduced to sponge iron in a pure hydrogen atmosphere at temperatures from 760° to 980°C The iron sponge is then broken into particles by means of wire brushes to obtain a powder having grain size .

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Method of making ferromagnetic iron alloy powder

A ferromagnetic iron alloy powder for a magnetic recording medium is composed of acicular iron-base particles of an average major axis length (X) of not less than 20 nm and not greater than 80 nm and have oxygen content of not less than 15 wt % and coercive force (Hc) of not less than [0.0036 X 3 −1.1 X 2 +110 X−1390 (Oe)] (where X is average major axis length expressed in nm).

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iron powder making process - vaikuendokrinologija.lt

Dust core, iron powder therefor and method of . 1997-1-3 A dust core is prepared from an iron powder with a particle size of 75-200 μm having added thereto 0.015-0.15 wt % of silica sol, 0.05-0.5 wt % of a silicone resin, and 10-50 wt % based on the silicone resin of an organic titanium compound.

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method of making iron powder - restaurantgranditalia.nl

براءة الاختراع US3975186 - Method of making iron powder ,Iron oxide particles are made by spray calcination and the oxide is reduced at least substantially in CO at temperatures between 800° and 1000° C The oxide is heat .Preparation of Metal Powders - Annual ReviewsTHERMAL DECOMPOSITION In this method of powder production the ...

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US Patent for Method of making iron nitride powder

Techniques are disclosed for milling an iron-containing raw material in the presence of a nitrogen source to generate anisotropically shaped particles that include iron nitride and have an aspect ratio of at least 1.4. Techniques for nitridizing an anisotropic particle including iron, and annealing an anisotropic particle including iron nitride to form at least one a″-Fe16N2 phase domain ...

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PRODUCTION OF IRON AND STEEL POWDERS

1997-5-6  succeeded in making water-atomized iron powder grades of superior quality, some of them matching the compressibility of electrolytic iron powder and thus replacing the latter on the market. Today (1996), Höganäs AB has production facilities for iron and steel powders in Sweden, in Belgium, in the USA, and in Japan, China, and India.

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Making Metal Powder - MPIF

Making Metal Powder. The first step in the overall powder metallurgy (PM) process is making metal powders. There are four main processes used in powder production: solid-state reduction, atomization, electrolysis, and chemical. ... Copper is the primary metal produced by electrolysis but iron, chromium, and magnesium powders are also produced ...

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Powder Production Technologies - Powder Metallurgy

Sponge iron provides the base feedstock for all iron-based, self-lubricating bearings and still accounts for around 30% of iron powder usage in PM structural parts. Solid state reduction is also used for the production of refractory metal powders, using hydrogen as the reducing agent, and for the production of specialist iron

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IRON POWDER, USE AS ADDITIVE FOR FOODS, FOOD

1. Iron powder essentially consisting of a reduced iron powder having irregularly shaped particles, wherein the iron powder has a ratio AD:PD less than 0.3, wherein AD is the apparent density in g/cm 3, and PD is the particle density in g/cm 3, the specific surface area of the powder particles is above 300 m 2 /kg as measured by the BET method and wherein the average particle size is between 5 ...

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Preparation Methods of Metal Powder Industry

Preparation Methods of Metal Powder. Powder metallurgy is a process for preparing metal powders and using metal (or metal and non-metal mixture) powder as raw materials to form parts and products by molding and sintering. As the main raw material of the industry, metal powder

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iron powder making process - vaikuendokrinologija.lt

Dust core, iron powder therefor and method of . 1997-1-3 A dust core is prepared from an iron powder with a particle size of 75-200 μm having added thereto 0.015-0.15 wt % of silica sol, 0.05-0.5 wt % of a silicone resin, and 10-50 wt % based on the silicone resin of an organic titanium compound.

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Iron powder, use as additive for foods, food additive

2004-11-25  Iron powder, use as additive for foods, food additive and method of making iron powder (PAT - ZA200603465) ' ' BO HU, ' ' FREDRIK EKLUND, ' ' NILS JONSSON, ' ' FREDRIK PERSSON HOEGANAES AB. Patent: Patent Specification - South Africa. Application: ZA20060003465 on 2004-11-25. Publication: 2007-07 ...

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Iron Powder, Use As Additive For Foods, Food

IRON POWDER, USE AS ADDITIVE FOR FOODS, FOOD ADDITIVE AND METHOD OF MAKING IRON POWDER. FIELD OF THE INVENTION. The present invention concerns food and feed fortifica-tion. More specifically the invention concerns an iron powder, which is suitable as food and feed additive and which can be cost effectively produced. BACKGROUND OF THE INVENTION

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Iron powder, use as additive for foods, food additive

Iron powder, use as additive for foods, food additive and method of making iron powder. (PAT - AU2004292928) EKLUND FREDRIK, PERSSON FREDRIK, JONSSON NILS, HU BO. HOEGANAES AB. Patent: Comp. Spec. open to Pub. insp. - Australia. Application: AU20040292928 on 2004 ...

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IRON POWDER, USE AS ADDITIVE FOR FOODS, FOOD

2004-11-25  IRON POWDER, USE AS ADDITIVE FOR FOODS, FOOD ADDITIVE AND METHOD OF MAKING IRON POWDER. (PAT - CA2546851) PERSSON FREDRIK, JONSSON NILS, HU BO, EKLUND FREDRIK. HOEGANAES AB. Patent: Patent - Canada. Application: CA20042546851 on 2004-11-25. Publication: 2005-06 ...

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Method for producing dysprosium-iron-boron alloy

OSTI.GOV Patent: Method for producing dysprosium-iron-boron alloy powder

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Powder Production Technologies - Powder Metallurgy

Sponge iron provides the base feedstock for all iron-based, self-lubricating bearings and still accounts for around 30% of iron powder usage in PM structural parts. Solid state reduction is also used for the production of refractory metal powders, using hydrogen as the reducing agent, and for the production of specialist iron

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Iron - Manufacturing process related to the specified ...

2014-1-14  The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled and

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Powder Metallurgy Method - an overview

Metal injection molding (MIM) is a variation of powder metallurgy methods that has been used for synthesizing iron and Invar matrix syntactic foams containing glass hollow particles. An outline of the MIM method is shown in Fig. 11 . 28 A major complication for synthesizing these foams is that the melting temperatures of iron and Invar are ...

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Review Opportunity and Challenges of Iron Powders for ...

Global pure iron powder production (in MT) of key manufacturers in 2017 (Source: QYR Chemical Mate-rial Research Centre, April 2017). Iron Powder Manufacturer 2012 2017 % Growth BASF 7 778 9 524 18.3 Sintez-CIP 633 786 19.5 JFE 2 106 2 558 17.7 Jiangsu Tianyi 909 1 148 20.8 Jilin Jien 1 202 1 439 16.5 Jiangxi Yuean 1 660 2 029 18.2

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