MIXTURE FOR THE PRODUCTION OF SINTERED SHAPED PARTS COMPREHENSIVE CARNAUBAWACHS

MIXTURE FOR PREVENTING SURFACE STAINS

In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.

SINTER-ABLE METALLIC POWDER MIXTURE FOR THE PRODUCTION OF SINTERED CONSTRUCTION UNITS

PROCEDURE FOR THE PRODUCTION OF SINTERED CONSTRUCTION UNITS FROM AN SINTER-ABLE MATERIAL

MIXTURE FOR PREVENTING SURFACE STAINS

In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.

Verfahren zur Herstellung von gesinterten Bauteilen aus einem sinterfähigen Material und gesintertes Bauteil

Verfahren zur Herstellung von gesinterten Bauteilen, auch Verbundteilen, aus einem sinterfähigen Material unter Einsatz einer Pulvermischung, umfassend 60 bis 98,5 Gew.-%, bezogen auf die Gesamtmenge der Pulvermischung, eines Al-Basispulvers aus Metallen und/oder deren Legierungen, umfassend Al, 0,2 bis 30 Gew-% Mg, 0,2 bis 40 Gew.-% Si, 0,2 bis 15 Gew.-% Cu, 0,2 bis 15 Gew.-% Zn, 0,2 bis 15 Gew.-% Ti, 0,2 bis 10 Gew.-% Sn, 0,5 bis 5 Gew.-% Mn, 0,2 bis 10 Gew.-% Ni und/oder weniger als 1 Gew.-% an As, Sb, Co, Be, Pb und/oder B, wobei die Gewichtsprozentanteile jeweils bezogen sind auf die Gesamtmenge an Al-Basispulver, und 0,8 bis 40 Gew.-%, bezogen auf die Gesamtmenge der Pulvermischung, eines Metallpulvers ausgewählt aus einer ersten Gruppe von Metallen und/oder deren Legierungen, bestehend aus Mo und/oder W, weiterhin umfassend eine zweite Gruppe von Metallen und/oder deren Legierungen, bestehend aus Cu, Sn, Zn, Li und/oder Mg, wobei – in...

MIXTURE FOR THE PRODUCTION OF SINTERED SHAPED PARTS

PRESS AID TO THE PRODUCTION OF SINTER-CASH SHAPED PARTS FROM METALLIC POWDER

VERFAHREN ZUR HERSTELLUNG VON GESINTERTEN BAUTEILEN AUS EINEM SINTERFÄHIGEN MATERIAL

Method for producing sintered components from a sinterable material

COMPACTING AUXILIARY AGENT FOR PRODUCING SINTERABLE SHAPED PARTS FROM A METAL POWDER

The invention relates to a method for producing sinterable shaped metallic parts from a metal powder to which a compacting auxiliary agent has been added. Said compacting auxiliary agent contains at least partially components from the family of polyalkylene glycols. The metal powder is placed in the mould and compacted under pressure before being discharged from the mould in the form of a shaped compacted part.

LUBRICANT FOR POWDER METALLURGY

A lubricant for use in a powder mixture is disclosed. This lubricant contains carnauba wax and at least one plant- or animal-based fat. A powder mixture using this lubricant can be used to compact green parts have higher densities and helps to improve the life of the tools compacting the powder.

Mischung zur Herstellung von gesinterten Formteilen umfassend Carnaubawachs

Zur Lösung der Aufgabe, eine Mischung zur Herstellung sinterbarer Formteile zur Verfügung zu stellen, mit welcher hohe Pressdichten in einem Grünkörper erhältlich sind, wird eine Mischung vorgeschlagen, umfassend mindestens ein metallisches Material und/oder Kunststoffmaterial und mindestens ein Presshilfsmittel, wobei das Presshilfsmittel etwa 0,5 Gew.-% bis etwa 60 Gew.-%, bezogen auf die Gesamtmenge des Presshilfsmittels, mindestens eines Amides, und etwa 40 Gew.-% bis etwa 99,5 Gew.-%, bezogen auf die Gesamtmenge des Presshilfsmittels, mindestens eines Carnaubawachses umfasst.

Sinterfähige Pulvermischung zur Herstellung gesinterter Bauteile

The aim of the invention is to supply a sinterable powder mixture for producing sintered components, particularly in the automobile industry, by means of which components have both adequate mechanical strength properties and especially a high degree of hardness. Said aim is achieved by a powder mixture, 60 to 98.5 percent by weight of the total quantity of which consist of a basic Al powder made of metals and/or alloys thereof, comprising Al, 0.2 to 30 percent by weight of Mg, 0.2 to 40 percent by weight of Si, 0.2 to 15 percent by weight of Cu, 0.2 to 15 percent by weight of Zn, 0.2 to 15 percent by weight of Ti, 0.2 to 10 percent by weight of Sn, 0.2 to 5 percent by weight of Mn, 0.2 to 10 percent by weight of Ni, and/or less than 1 percent by weight of As, Sb, Co, Be, Pb, and/or B, the percentage by weight being in relation to the total quantity of the basic Al powder, and 0.8 to 40 percent by weight of a metal powder selected among a first group of metals and/or alloys thereof, consisting ...

MIXTURE FOR PRODUCING SINTERED MOLDINGS COMPRISING CARNAUBA WAX

To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.

COMPACTING AUXILIARY AGENT FOR PRODUCING SINTERABLE SHAPED PARTS FROM A METAL POWDER

The invention relates to a method for producing sinterable shaped metallic parts from a metal powder to which a compacting auxiliary agent has been added. Said compacting auxiliary agent contains at least partially components from the family of polyslkylene glycols. The metal powder is placed in the mould and compacted under pressure before being discharged from the mould in the form of a shaped compacted part.

MIXTURE FOR PRODUCING SINTERED MOLDINGS COMPRISING CARNAUBA WAX

To achieve the object of providing a mixture for producing sinterable mou ldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprisin g about 0.5% to about 60% by weight, based on the total amount of the pressi ng aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax. ...

Mixture for the production of sintered molded parts

Mischung zur Herstellung von gesinterten Formteilen

Zur Lösung der Aufgabe, eine Mischung zur Verfügung zu stellen, durch welche Grünkörper herstellbar sind mit einer hohen Grünfestigkeit und Preßdichte, andererseits aber auch die Ausstoßkräfte aus dem Preßwerkzeug vermindert werden, schlägt die vorliegende Erfindung eine Mischung vor, umfassend ein metallisches und/oder Kunststoffmaterial und ein Preßhilfsmittel, wobei das Preßhilfsmittel 25-60 Gew.-%, bezogen auf die Gesamtmenge des Preßhilfsmittels, eines Polyglykols und 40-75 Gew.-%, bezogen auf die Gesamtmenge des Preßhilfsmittels, eines Montanwachses umfaßt.

Mixture for producing sintered mouldings comprising carnauba wax

To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least oneTo achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least onemetallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.amide, and about 40% to about 99.5% by weight, based on the total amount of the ...

MIXTURE FOR THE PRODUCTION OF SINTERED MOLDED PARTS

Composition for the production of sintered molded parts

Certain preferred embodiments of the present invention relate to compositions for the production of sintered molded parts, components/parts produced therefrom, and methods for preparing such compositions. In accordance with certain embodiments, compositions for production of sintered molded parts comprise a metal-based, a ceramic-based, and/or a polymer-based powder, and a compaction aid, having 25 to 60 weight percent of a polyglycol, based on the total weight of the compaction aid, and 40 to 75 weight percent of a montan wax, based on the total weight of the compaction aid. The compaction aid may be present in an amount from about 0.1 to 5 weight percent, preferably 0.5 to 1.5 weight percent, based on the total weight of the composition. The composition may also include a lubricant such as, for example, MoS₂, WS₂, BN, MnS, and/or carbon.

MISCHUNG ZUR HERSTELLUNG VON GESINTERTEN FORMTEILEN

METHOD FOR PRODUCING SINTERED COMPONENTS FROM A SINTERABLE MATERIAL

The aim of the invention is to provide a method for producing sintered components of sufficiently good strength. To achieve this, in a first step of the method, sinterable material is introduced into a first die and in a second step is compressed into a green compact. In a third step, the green compact is at least partially further consolidated in a second die and in a fourth step, the consolidated green compact is sintered. The density of the green compact achieved by the further consolidation undertaken in the third step is approximately 2 to 40 % greater than the density prior to said consolidation. © KIPO & WIPO 2007 ...

Mixture for producing sintered mouldings comprising carnauba wax

To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.

Mischung zur Verhinderung von Oberflächenflecken

Zur Lösung der Aufgabe, eine Mischung zur Verfügung zu stellen, durch welche insbesondere gesinterte Formteile nahezu frei von Oberflächenflecken, erzeugt durch Rußpartikel, erhältlich sind, wird eine Mischung vorgeschlagen, umfassend mindestens ein Presshilfsmittel und mindestens ein Zusatzmittel, wobei das Zusatzmittel ausgewählt ist aus einer Gruppe von Substanzen, welche freisetzbares Kohlendioxid aufweisen.

SINTERFÄHIGE METALLPULVERMISCHUNG ZUR HERSTELLUNG GESINTERTER BAUTEILE

Verfahren zur Herstellung von gesinterten Bauteilen aus einem sinterfähigen Material

Verfahren zur Herstellung von gesinterten Bauteilen, auch Verbundteilen, aus einem sinterfähigen Material, wobei - in einem ersten Schritt das sinterfähige Material in eine erste Preßform eingegeben wird; - in einem zweiten Schritt das sinterfähige Material zu einem Grünling gepreßt wird; - in einem dritten Schritt der Grünling mindestens teilweise in einer zweiten Preßform mittels Kaltpressen nachverdichtet wird; und - in einem vierten Schritt der nachverdichtete Grünling gesintert wird, wobei die mit der im dritten Schritt vorgenommenen Nachverdichtung erzielte Dichte des Grünlings etwa 2 bis 40% über derjenigen vor der Nachverdichtung liegt.

SINTERABLE METAL POWDER MIXTURE FOR THE PRODUCTION OF SINTERED COMPONENTS

The aim of the invention is to supply a sinterable powder mixture for producing sintered components, particularly in the automobile industry, by means of which components have both adequate mechanical strength properties and especially a high degree of hardness. Said aim is achieved by a powder mixture, 60 to 98.5 percent by weight of the total quantity of which consist of a basic Al powder made of metals and/or alloys thereof, comprising Al, 0.2 to 30 percent by weight of Mg, 0.2 to 40 percent by weight of Si, 0.2 to 15 percent by weight of Cu, 0.2 to 15 percent by weight of Zn, 0.2 to 15 percent by weight of Ti, 0.2 to 10 percent by weight of Sn, 0.2 to 5 percent by weight of Mn, 0.2 to 10 percent by weight of Ni, and/or less than 1 percent by weight of As, Sb, Co, Be, Pb, and/or B, the percentage by weight being in relation to the total quantity of the basic Al powder, and 0.8 to 40 percent by weight of a metal powder selected among a first group of metals and/or alloys thereof, consisting ...

Schmiermittel für die Pulvermetallurgie

Zur Lösung der Aufgabe, ein Schmiermittel für die Pulvermetallurgie zur Verfügung zu stellen, welches unter Arbeitsschutz- und Umweltgesichtspunkten relativ unbedenklich ist, wird eine Mischung vorgeschlagen, umfassend Carnaubawachs und mindestens ein Fett auf pflanzlicher oder tierischer Basis.

Verfahren zur Herstellung von sinterbaren metallischen Formteilen aus einem Metallpulver

The invention relates to a method for producing sinterable shaped metallic parts from a metal powder to which a compacting auxiliary agent has been added. Said compacting auxiliary agent contains at least partially components from the family of polyalkylene glycols. The metal powder is placed in the mould and compacted under pressure before being discharged from the mould in the form of a shaped compacted part.

MISCHUNG ZUR HERSTELLUNG VON GESINTERTEN FORMTEILEN UMFASSEND CARNAUBAWACHS

MIXTURE FOR THE PRODUCTION OF SINTERED MOLDED PARTS

The aim of the invention is to create a mixture for producing green bodies having high green strength and a high compression density, said mixture also helping to reduce the ejection force from the pressing tool. Said aim is achieved by a mixture comprising a metallic and/or plastic material and a pressing aid which contains 25 to 60 percent by weight of a polyglycol and 40 to 75 percent of a montan wax, the percentages being relative to the total quantity of the pressing aid. © KIPO & WIPO 2007 ...

Mixture for producing sintered moldings comprising carnauba wax

To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.

Verfahren zur Herstellung von gesinterten Bauteilen aus einem sinterfähigen Material

The aim of the invention is to provide a method for producing sintered components of sufficiently good strength. To achieve this, in a first step of the method, sinterable material is introduced into a first die and in a second step is compressed into a green compact. In a third step, the green compact is at least partially further consolidated in a second die and in a fourth step, the consolidated green compact is sintered. The density of the green compact achieved by the further consolidation undertaken in the third step is approximately 2 to 40 % greater than the density prior to said consolidation.

COMPACTING AUXILIARY AGENT FOR PRODUCING SINTERABLE SHAPED PARTS FROM A METAL POWDER

The invention relates to a method for producing sinterable shaped metallic parts from a metal powder to which a compacting auxiliary agent has been added. Said compacting auxiliary agent contains at least partially components from the family of polyalkylene glycols. The metal powder is placed in the mould and compacted under pressure before being discharged from the mould in the form of a shaped compacted part. © KIPO & WIPO 2007 ...

MIXTURE FOR PRODUCING SINTERED MOLDINGS COMPRISING CARNAUBA WAX

To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.

PRESSHILFSMITTEL ZUR HERSTELLUNG VON SINTERBAREN FORMTEILEN AUS METALLPULVER

Sinterable metal powder mixture for the production of sintered components

Mixture for preventing surface stains

In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.

Composition for the production of sintered molded parts

Certain preferred embodiments of the present invention relate to compositions for the production of sintered molded parts, components/parts produced therefrom, and methods for preparing such compositions. In accordance with certain embodiments, compositions for production of sintered molded parts comprise a metal-based, a ceramic-based, and/or a polymer-based powder, and a compaction aid, having 25 to 60 weight percent of a polyglycol, based on the total weight of the compaction aid, and 40 to 75 weight percent of a montan wax, based on the total weight of the compaction aid. The compaction aid may be present in an amount from about 0.1 to 5 weight percent, preferably 0.5 to 1.5 weight percent, based on the total weight of the composition. The composition may also include a lubricant such as, for example, MoS2, WS2, BN, MnS, and/or carbon.

Mixture for Preventing Surface Stains

In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.

Compacting auxiliary agent for producing sinterable shaped parts from a metal powder

The invention relates to a process for producing sinterable metallic shaped parts from a metal powder, which is mixed with an auxiliary compacting agent containing at least in part components from the polyalkylene glycol family, is filled into a compacting mold and, following the compacting under pressure, is ejected from the mold as compacted shaped part.

Hydrogen Storage Element for a Hydrogen Store

The hydrogen storage element for a hydrogen store comprises a pressed article having a hydrogen-storing first material and having a thermally conductive second material, wherein the second material is in thermal contact with the hydrogen-storing first material and has, in some regions, a different three-dimensional distribution within the pressed article.