Oerlikon Surface Solutions Ag, Pfaffikon

Oerlikon Surface Solutions Ag, Trubbach

Mirjam Arndt

Hamid Bolvardi

Paul Heinz Mayrhofer

Peter Polcik

Ali Khatibi

Jürgen Ramm

Helmut Rudigier

Juergen Ramm

Jochen Schneider

Christian Martin Koller

Helmut Riedl

Robert Raab

Siegfried Krassnitzer

Denis Kurapov

Siva Phani Kumar Yalamanchili

Anders Olof Eriksson

Richard Rachbauer

Sebastian Stein

Jiri Kalas

Markus Lechthaler

Annika Vieweg

Vincent Moraes

Lin Shang

Konda Gokuldoss Pradeep

Etienne Billot

Nikolas Schaal

Pascal Schaback

Florian Neff

Wolfgang Markus Seidl

Rudigier Helmut

Schneider Jochen

An improved coating used in plastic processing applications including a first layer system that includes at least one corrosion resistant material layer; a second layer system that includes at least one abrasion resistant material layers; and a transition layer provided between the first layer and the second layer. The coating is resistant to both abrasion and corrosion, while maintaining ductility and impact resistance.

Coating for enhanced performance and lifetime in plastic processing applications

A method for producing an Al—Cr—O-based coating on a workpiece surface, including: a) placing a workpiece in an interior of a vacuum chamber, and b) depositing a film comprising aluminum and chromium on the workpiece surface to be coated, wherein a ratio of aluminum to chromium in the film in atomic percentage has a first value corresponding to Al/Cr≤2.3, and c) forming volatile compounds of Cr—O, thereby causing at least part of the chromium contained in the film to leave the film in a form of Cr—O volatile compounds, and d) executing step c) during a period of time, within which the chromium content in the film is reduced until attaining a second value of the ratio of aluminum to chromium in the film in atomic percentage corresponding to Al/Cr≥3.5, thereby the film is transformed into a film containing a reduced content of chromium.

Al—Cr—O-based coatings with higher thermal stability and producing method thereof

A coated tool for hot stamping of coated or uncoated sheet metals, comprising a coated substrate surface to be in contact with the coated or uncoated metal sheet, wherein the coating in the coated substrate surface comprises one or more inferior layers and one or more superior layers, where the inferior layers are deposited closer to the substrate surface than the superior layers, and:

High performance tool coating for press hardening of coated and uncoated ultrahigh strength steel sheet metals

The present invention relates to a method for producing a multilayer film comprising aluminum, chromium, oxygen and nitrogen, in a vacuum coating chamber, the multilayer film comprising layers of type A and layers of type B deposited alternate one of each other, wherein during deposition of the multilayer film at least one target comprising aluminum and chromium is operated as cathode by means of a PVD technique and used in this manner as material source for supplying aluminum and chromium, and an oxygen gas flow and a nitrogen gas flow are introduced as reactive gases in the vacuum chamber for reacting with aluminum and chromium, thereby supplying oxygen and nitrogen for forming the multilayer film, characterized in that: &#x2014;The A layers are deposited as oxynitride layers of Al&#x2014;Cr&#x2014;O&#x2014;N by using nitrogen and oxygen as reactive gas at the same time, &#x2014;The B layers are deposited as nitride layers of Al&#x2014;Cr&#x2014;N by reducing the oxygen gas flow and by increasing the nitrogen gas flow in order to use only nitrogen as reactive gas for the formation of the Al&#x2014;Cr&#x2014;N layer, and wherein the relation between oxygen content and nitrogen content in the multilayer film correspond to a ratio in atomic percentage having a value between and including 1.8 and 4.

Al&#x2014;Cr-based ceramic coatings with increased thermal stability

The present invention relates to coatings comprising or consisting of one or more ternary TM-diboride coating films. The ternary TM-diboride coating films showing exceptionally high phase stability and mechanical properties, even at high temperatures or even after exposition to high temperatures.

Ternary TM-diboride coating films

The present invention relates to a component comprising a substrate coated with a coating having a film (or) comprising one or more transition metals, TM, aluminium, Al, and nitrogen, N, wherein the TM and N as well as Al and N are comprised in the film forming respectively nitride compounds, wherein the transition metal nitride, TM-N, is present in the film distributed in different portions exhibiting one crystalline phase of TM-N, and the aluminium nitride, Al&#x2014;N, is present in the film in different portions exhibiting one phase of Al&#x2014;N, whereas the phase of the transition metal nitride is cubic, c-TMN, the phase of the aluminium nitride is wurtzite, w-AIN, and wherein the film exhibits coherent or (semi-) coherent interfaces between the c-TMN phase portions and the w-AI-N phase portions.

High temperature stable compositionally modulated hard coatings

Coating () deposited on a surface of a substrate () comprising a multi-layered film () consisting of a plurality of A-layers and a plurality of B-layers deposited alternating one on each other forming a A/B/A/B/A . . . architecture, the A-layers comprising aluminium chromium boron nitride and the B-layers comprising aluminium chromium nitride and not comprising boron, whereas the multi-layered film () comprises at least a first portion () and a last portion (), wherein the average boron content in the first coating portion () is higher than the average boron content in the last coating portion (), and both the first coating portion () and the last coating portion () exhibit inherent compressive stresses and wherein the inherent compressive stress in the first coating portion () is lower than it in the last coating portion ().

AlCrN-based coating providing enhanced crater wear resistance

The present disclosure relates to a coated substrate with a coating deposited on at least a part of the substrate surface, said coating comprising at least one metal boron carbide layer, characterized in that the metal boron carbide layer is a ternary compound exhibiting a polycrystalline structure formed of a single phase of hafnium, boron and carbon. Further a method for deposition of such a coating is provided.

Coating material comprising a ternary phase of Hf&#x2014;B&#x2014;C

Coatings for metal forming tools or metal forming members used for cold forming of high-strength steels include a CrN lower layer and a TiCN upper layer. The lower layer is deposited closer to the substrate than the upper layer. The lower layer is made of oxygen-enriched chromium nitride exhibiting a cubic structure with preferred orientation, and the upper layer is made of hydrogen-enriched titanium carbonitride. Methods for depositing the coatings are also described.

High performance coating for high-strength steel cold metal forming

The present invention concerns substrates coated with an MoSiBlayer, said layer comprising the T2 phase, and a method for the production thereof.

Mo&#x2014;Si&#x2014;B layers and method for the production thereof

A coating including a multilayer film, which includes a multi-layered structure including layers of the type I and layers of the type II. The layers of the type I are metal nitride with a chemical composition given by the formula Me1Me2ZI and the layers of the type II are a Mo-comprising material with chemical composition given by the formula MoSiBZII or MoSiB. Also described is a method for depositing the above mentioned coating.

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The invention relates to a PVD process for coating a substrate with a layer containing at least one microcrystalline metallic borocarbide phase. During the PVD process, the source output is pulsed such that the at least one peak of which the half intensity width allows conclusions to be drawn about the presence of a microcrystalline phase of the metallic borocarbide layer can be identified in the x-ray spectrum of a layer produced in this way at a substrate temperature below 600&#xb0; C.

Method for manufacturing a metal-borocarbide layer on a substrate

The present invention relates to a coated body comprising a substrate and a coating onto the substrate, the coating having a nanolaminated coating system having a nanolaminated coating structure of alternating A and B layers (AlxTi1-x-yWy)N/(Ti1-z-uSizWu)N, the individual thickness of each nanolayer being maximal 200 nm and the nanolaminated coating structure exhibiting a fine-grained structure.

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Bad Ragaz, Switzerland

Mirjam Arndt