Oerlikon Surface Solutions Ag, Pfaffikon

Sulzer Metaplas Gmbh

Federal-mogul Burscheid Gmbh

Seco Tools Ab

Oerlikon Metaplas Gmbh

Multi-arc Oberflachentechnik Gmbh

Jörg Vetter

Siegfried Krassnitzer

Georg Erkens

Jürgen Müller

Manfred Fischer

Jon Andersson

Jacob Sjölén

Ralf Lammers

Christiane Bauer

Steffen Hoppe

Stefan Esser

Jones Alami

Johann Karner

Jürgen Becker

Markus Esselbach

Manfred Muller

Nikolaus Matentzoglu

Neir Beganovic

Reiner Waller

Manfred Schmidt-Mauer

Timea Stelzig

Tariq Rasa

Manfred MÜLLER

Jürgen MÜLLER

A method to produce a hard coating onto a substrate, wherein the hard coating comprises a hydrogen-free amorphous carbon coating, wherein the amorphous carbon coating is deposited onto the substrate using a cathodic arc discharge deposition technique, wherein a bias voltage is applied to the substrate with an absolute value that is greater than 0 V, preferably greater than 10 V and less than 1000 V, and wherein the absolute value of the bias voltage is increased during the coating process to obtain a first structure and a second structure and a gradient between the first and the second structure along the coating thickness, wherein the first and the second structure comprise sp2 and sp3 carbon bonds but differ in their relative concentration, wherein at least one coating pause is applied during the coating process in order to reduce the substrate temperature during the coating pause.

Graded hydrogen-free carbon-based hard material layer coated onto a substrate

In order to improve the etching depth and/or the etching homogeneity at a substrate, a plasma source with one or more single electrodes or one or more magnets is proposed. The magnet generates a magnetic field in the vicinity of the electrodes, which may be rear-side or front-side.

Magnet arrangement for a plasma source for performing plasma treatments

The invention relates to a physical vapor deposition coating device (), comprising a process chamber () with an anode () and a consumable cathode () to be consumed by an electrical discharge for coating a substrate located within the process chamber (). The coating device () further includes a first electrical energy source () being connected with its negative pole to said consumable cathode (), and a second electrical energy source () being connected with its positive pole to said anode (). According to the invention, a third electrical energy source () is provided being connected with its negative pole to a source cathode () which is different from the consumable cathode (). In addition, the invention relates to a physical vapor deposition method for coating a substrate.

Physical vapour deposition coating device as well as a physical vapour deposition method

Disclosed is a piston ring () having a substrate () to which a wear resistant coating () is applied that includes at least one first element with a melting point T&#x2266;700&#xb0; C. The wear resistant coating () contains at least one second element with a melting point T&#x3e;760&#xb0; C. The wear resistant coating also includes droplets () which have a diameter (D) and which contain at least the first element, wherein at least 90% of the droplets () have a value 1 &#x3bc;m&#x2266;D&#x2266;10 &#x3bc;m. In the method for producing a wear resistant coating () using an arc evaporation technique, the target material includes at least one first element with a melting point T&#x2266;700&#xb0; C. and at least one second element with a melting point T&#x3e;760&#xb0; C., wherein the quantity of the second material contained in the target material is such that the melting point (T) of the target material &#x2267;1000&#xb0; C.

Piston ring

The present invention relates to a wear resistant coating suitable to be deposited on cutting tool inserts for chip forming metal machining. The coating comprises at least two layers with different grain size, but with essentially the same composition. The coating is deposited by Physical Vapor Deposition (PVD).

PVD coating for metal machining

The invention relates to a coating method for depositing a layer system formed from hard material layers on a substrate, by depositing at least one contact layer including the evaporation material on the surface of the substrate only by means of a cathodic vacuum arc evaporation source. After the depositing of the contact layer, at least one intermediate layer is deposited in the form of a nano-layer intermediate layer in a hybrid phase or as a nanocomposite layer, including the evaporation material and the discharge material, by parallel operation of a cathodic vacuum arc evaporation source and of a magnetron discharge source.

Coating method for depositing a layer system on a substrate and substrate having a layer system

A high-power pulsed magnetron sputtering process, wherein within a process chamber by means of an electrical energy source a sequence of complex discharge pulses is produced by applying an electrical voltage between an anode and a cathode in order to ionize a sputtering gas. The complex discharge pulse is applied for a complex pulse time. The cathode has a target comprising a material to be sputtered for the coating of a substrate, and the complex discharge pulse includes an electrical high-power sputtering pulse having a negative polarity with respect to the anode and being applied for a first pulse-time, the high-power sputtering pulse being followed by an electrical low-power charge cleaning pulse having a positive polarity with respect to the anode and being applied for a second pulse-time. The ratio &#x3c4;/&#x3c4;of the first pulse-time (&#x3c4;) in proportion to the second pulse-time (&#x3c4;) is 0.5 at the most.

High-power pulsed magnetron sputtering process as well as a high-power electrical energy source

A wear resistant coating suitable to be deposited on cutting tool inserts for chip forming metal machining, includes at least two layers with different grain size, but with essentially the same composition. The coating is deposited by Physical Vapor Deposition (PVD).

The invention relates to a protective coating, having the chemical composition CSiBNOHMe, wherein Me is at least one metal of the group consisting of {Al, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W, Y, Sc, La, Ce, Nd, Pm, Sm, Pr, Mg, Ni, Co, Fe, Mn}, with a+b+d+e+g+l+m=1. According to the invention, the following conditions are satisfied: 0.45&#x2266;a&#x2266;0.98, 0.01&#x2266;b&#x2266;0.40, 0.01&#x2266;d&#x2266;0.30, 0&#x2266;e&#x2266;0.35, 0&#x2266;g&#x2266;0.20, 0&#x2266;l&#x2266;0.35, 0&#x2266;m&#x2266;0.20. The invention relates also to a coated member having a protective coating, as well as to a method for producing a protective coating, in particular a multilayer film for a member.

Protective coating, a coated member having a protective coating as well as method for producing a protective coating

The invention relates to a layer system for the formation of a surface layer on a surface of a substrate, in particular on the surface of a tool, wherein the layer system includes at least one first hard layer of the composition (MSiAY)(NCO)with (o+p+q)=&#x3b3;, (r+s+t)=&#x3b4;, and (&#x3b3;+&#x3b4;)=100, wherein 40&#x2266;&#x3b3;&#x2266;60 and wherein M is at least one metal of the group of the chemical elements consisting of Al and the elements of the secondary groups IVb, Vb, VIb of the periodic system of elements. In accordance with the invention the component AY is at least one element of the group of the chemical elements consisting of Mn, Fe, Co, Ni, Cu and the elements of the secondary group IIIB and the elements of the main group IA, IIA and IIIA and the elements of the group of the lanthanoids of the periodic system of chemical elements, with AY preferably additionally containing boron.

Layer system for the formation of a surface layer on a surface of a substrate and also vaporization source for the manufacture of a layer system

The invention provides a multilayer film-coated member having sufficient heat resistance and abrasion resistance and capable of exhibiting an effect of preventing adhesion even in cutting work of steel materials that may readily cause adhesion to cutting tools, and therefore capable of prolonging tools, and provides a method for producing it. The multilayer film-coated member is fabricated by coating the surface of a substrate with at least two hard coating films having different compositions, in which the first composition hard coating film of the outermost layer of the hard coating films represented by SiBNCOwith a+b+c+d+e=1, 0.1&#x2266;a&#x2266;0.5, 0.01&#x2266;b&#x2266;0.2, 0.05&#x2266;c&#x2266;0.6, 0.1&#x2266;d&#x2266;0.7 and 0&#x3c;e&#x2266;0.2, the second composition hard coating film of the lower layer below the first composition hard coating film is a hard film having at least two selected from Al, Ti, Cr, Ni, Ce, Mg, Nb, W, Si, V, Zr, and Mo and N and at least one selected from B, C, O and S and in X-ray photoelectric spectrometry (XPS) of the first composition hard coating film, Si&#x2014;O bond and B&#x2014;O bond are detected, the ratio of the peak area &#x3b1; of Si&#x2014;C to the peak area &#x3b2; of Si&#x2014;O, &#x3b1;/&#x3b2;, as obtained from the peak separation of the 2p orbit of Si, satisfies 10.0&#x2266;&#x3b1;/&#x3b2;&#x2266;20.0, and the ratio of the peak area X of B&#x2014;O to the peak area Y of B&#x2014;N, X/Y, as obtained from the peak separation of the 1s orbit of B, satisfies 5.0&#x2266;X/Y&#x2266;10.0.

Multilayer film-coated member and method for producing it

A multilayer film-coated member is fabricated by coating the surface of a substrate with at least two hard coating films having different compositions, wherein the first composition hard film of the outermost layer is represented by SiBNCOwith a+b+c+d+e=1, 0.1&#x2266;a&#x2266;0.5, 0.01&#x2266;b&#x2266;0.2, 0.05&#x2266;c&#x2266;0.6, 0.1&#x2266;d &#x2266;0.7 and 0&#x3c;e&#x2266;0.2, the second composition hard coating film having at least two selected from Al. Ti, Cr, Ni, Ce. Mg, Nb, W, Si, V, Zr and Mo and N and at least one selected from B, C, O and S and the oxygen content of the film at least 25 nm from the interface of the first composition hard coating film that is in contact with the underlying layer toward the surface of the first composition hard coating film is limited to a range of less than 3.5 atm. %.

A sliding element comprises at least one surface for sliding contact with a running face, wherein a wear layer and a run-in layer made from carbon are applied to the surface, and is characterized in that the run-in layer comprises hydrogen and nanocrystalline carbide phases. In a method for manufacturing a sliding element, the run-in layer is applied by means of a PVD process. A sliding system has an above-described sliding element and a body having a running face. A coating for a sliding element comprises a wear layer which can be applied to the upper side of the sliding element, and a run-in layer which is configured as a carbon layer, and is characterized in that the run-in layer comprises hydrogen and nanocrystalline carbide phases.

Sliding element, in particular piston ring, method for manufacturing a sliding element, sliding system and coating for a sliding element

The invention relates to a layer system for the formation of a surface layer on a surface of a substrate, in particular on the surface of a tool, wherein the layer system includes at least one first hard layer of the composition (AlMgCrMeBAXSi)(NCO)with (a+b+c+d+e+m+k)=&#x3b1;, (u+v+w)=&#x3b2;, and (&#x3b1;+&#x3b2;)=100, wherein 40&#x2266;&#x3b1;&#x2266;60 and wherein Me is at least one element of the group of the chemical elements consisting of: the secondary groups IVb, Vb and VIb of the periodic system of the chemical elements. The component AX is at least one element of the group of the chemical elements consisting of: the elements of the main group Ia and the elements Be, Ca, Sr, Ba and the elements of the secondary groups VIIb, VIIIb, Ib, IIb, IIIb and the elements of the group of the lanthanoids, of the periodic system of the elements, wherein 0.004&#x2266;m&#x3c;60, and preferably 0.01&#x2266;m&#x3c;50. In accordance with the invention 0.4&#x2266;a&#x2266;58 and 0.04&#x2266;b&#x2266;12 and 18&#x2266;c&#x2266;42.

Layer system for the formation of a surface layer on a surface of a substrate and also arc vaporization source for the manufacture of a layer system

An electric arc coating is comprised of a chamber with a chamber wall for receiving the substrates to be coated. The chamber can be evacuated and be optionally filled with a reaction gas or an inert gas. The device has at least one cathode connected to a first direct current source positioned within the chamber so as to be electrically insulated. The cathode is consumed by the electric arc. A second direct current source having a higher voltage than the first direct current source is connected with its negative pole to the substrates to be coated and is electrically insulated from the chamber. A first and a second anode are provided whereby the second anode is electrically insulated from the first anode and connected to a third current source. The positive poles of the first and the second current sources are connected to at least the first anode.

Growing community of inventors

Bergisch Gladbach, Germany

Jörg Vetter