Hoganas Ab

Hoganas Ab (publ)

Other

H&ouml;gan&auml;s Ab

H&euml;gan&auml;s Ab

Enerpoly Ab

Hilmar Vidarsson

Paul Skoglund

Björn Skårman

Per Knutsson

Mikhail Kejzelman

Per-Olof Larsson

Sven Allroth

Zhou Ye

Mats Larsson

Ermin Imamovic

Sigurd Berg

Johan Arvidsson

Åsa Ahlin

Ola Andersson

Maria Ramstedt

Martin Häggblad Sahlberg

Björn Johansson

Karin Olsson

Björn Skarman

Milica Velimirovic

Leen Bastiaens

Helge Storstr&ouml;m

Gorgees Adam

Samrand Shafeie

Mylad Chamoun

Martin HÄGGBLAD Sahlberg

The present invention relates to a method of producing an iron containing compound, iron containing precursor, or iron containing aqueous solution comprising the steps of: The present invention further relates to iron containing compounds, iron containing precursors, and iron containing aqueous solutions, and their use in battery components.

Pure iron containing compound

There is provided solid composite material comprising an alloy based on manganese, aluminum and optionally carbon, and dispersed nanoparticles made from a material X, as well as a method of manufacturing the same. The material X is different from manganese, aluminum, carbon or a mixture thereof and satisfying the following requirements The composite material is suitable as a magnetic material or as a precursor of a magnetic material, and allows obtaining improved magnetic properties as compared to existing alloys based on manganese, aluminum and optionally carbon due the presence of the nanoparticles. A magnetic material in shaped form comprising the composite material and an electric or electronic device comprising the magnetic material are also part of the invention.

Solid composite material comprising nanoparticles and an alloy based on manganese, aluminum and optionally carbon, and method for producing the same

A process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the metal and/or metalloid, which process includes steps of: mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent including Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; exposing the mixture to a source of said at least one further element; maintaining said mixture under a Hatmosphere at a temperature of from 950&#xb0; C. to 1500&#xb0; C. for 1-10 hours; and, recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. A compound in powder form obtainable by such a process.

Process for manufacturing a metal carbide, nitride, boride, or silicide in powder form

An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.

Powder, powder composition, method for use thereof and use of the powder and powder composition

A metal powder composition including: an iron or iron-based powder composition, and a lubricating combination including a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05&#x2266;A+B&#x3c;0.4 wt %, C&#x2267;0.3 wt %, A+B+C&#x2266;2.0 wt %, and the relation between substances A and B is: B/A&#x3e;0.5. Also, a method of producing a metal powder composition and a method for producing a green component.

Metal powder composition

A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R[(R)x(R)(MO)]R, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; Ris a hydrolysable group; Ris an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to a metal-organic layer; wherein the powder composition further includes a particulate lubricant.

Ferromagnetic powder composition and method for its production

A ferromagnetic powder composition is described comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R[(R)x(R)(MO)]R, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; Ris a hydrolysable group; Ris an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to at least one metal-organic layer; and wherein the powder composition further comprises a particulate lubricant. A process is additionally provided for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.

A specifically defined powder composition is provided wherein there is a requirement that the specified lubricant always be liquid at room temperature. Such powder composition contains coarse iron or iron-based powder having an average particle size between 75 and 300 &#x3bc;m wherein less than 10% of the powder particles have a size below 45 &#x3bc;m and the amount of particles above 212 &#x3bc;m is above 20%, and as a lubricant at least one non-drying oil or a vegetable or animal based fatty acid having a crystalline melting point below 25&#xb0; C., and a viscosity (&#x3b7;) at 40&#xb0; C. above 15 mPas, wherein said viscosity is temperature dependent according to the following formula:10 log &#x3b7;=wherein k is the slope, T is the temperature in degrees Kelvin, and C is a constant, in an amount between 0.04 and 0.4% by weight of the composition and optional additives. The slope preferably is above 800.

Coarse iron or iron-based powder composition containing specific lubricant

A powder metallurgical composition for making compacted parts is provided. Such composition comprises iron or an iron based powder, and a binder comprising a drying oil and a drying agent. In a preferred embodiment graphite also is present.

Metal powder composition comprising a drying oil binder

The invention concerns a method for producing products and coarse iron-based powder comprising a lubricant having a crystalline melting point below 25&#xb0; C., a viscosity (&#x3b7;) at 40&#xb0; C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula: 10 log &#x3b7;=k/T+C wherein the slope k is preferably above 800, T is temperature in Kelvin and C is a constant, in an amount between 0.05 and 0.4%.

Method for making compacted products and iron-based powder comprising lubricant

The invention concerns a powder metallurgical composition containing, preferably a coarse, soft magnetic iron or iron-based powder, wherein the particles are surrounded by an insulating inorganic coating and as lubricant at least one non-drying oil or liquid having a crystalline melting point below 25&#xb0; C., a viscosity (&#x3b7;) at 40&#xb0; C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula:10 log &#x3b7;=wherein the slope k is above 800

Lubricants for insulated soft magnetic iron-based powder compositions

A metallurgical composition is provided for making compacted parts, comprising: (a) at least about 80 percent by weight of an iron or iron-based powder; (b) up to about 20 percent by weight of at least one alloying powder; (c) from about 0.05 to about 2 percent by weight of a binding agent comprising a C-Cfatty alcohol; and (d) from about 0.001 to about 0.2 percent by weight of a flow agent.

Metallurgical powder composition

The invention concerns a powder composition including an iron or iron based powder and a lubricating amount of an alkylalkoxy or polyetheralkoxy silane, wherein the alkyl or polyether group has between 8 and 30 carbon atoms and the alkoxy group includes 1-3 carbon atoms.

Iron-based powder

The present invention concerns a process for the preparation of high density green compacts comprising the steps of providing an iron-based powder essentially free from fine particles; optionally mixing said powder with graphite and other additives; uniaxially compacting the powder in a die at a compaction pressure of at least about 800 MPa and ejecting the green body. The invention also concerns the powder used in the method.

Method of preparing iron-based components

The invention concerns an improved segregation-resistant and dust-resistant metallurgical composition for making compacted parts, comprising at least about 80 percent by weight of an iron or iron-based powder; at least one alloying powder; and (c) about 0.05 to about 2 percent by weight of a binding/lubricating combination of polyethylene wax and ethylene bis-stearamide, the polyethylene wax having a weight average molecular weight below about 1000 and a melting point below that of ethylene bis-stearamide, and being present in amount between 10 and 90% by weight of the binding/lubricating combination.

Growing community of inventors

Höganäs, Sweden

Hilmar Vidarsson