WO1999027147A2 - Verschleissbeständiger, mechanisch hochbelastbarer und reibungsarmer randschichtaufbau für titan oder seine legierungen sowie verfahren zu seiner herstellung - Google Patents
Verschleissbeständiger, mechanisch hochbelastbarer und reibungsarmer randschichtaufbau für titan oder seine legierungen sowie verfahren zu seiner herstellung Download PDFInfo
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- WO1999027147A2 WO1999027147A2 PCT/DE1998/003367 DE9803367W WO9927147A2 WO 1999027147 A2 WO1999027147 A2 WO 1999027147A2 DE 9803367 W DE9803367 W DE 9803367W WO 9927147 A2 WO9927147 A2 WO 9927147A2
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- titanium
- layer
- wear
- resistant
- alloys
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
- C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/028—Physical treatment to alter the texture of the substrate surface, e.g. grinding, polishing
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0605—Carbon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/324—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal matrix material layer comprising a mixture of at least two metals or metal phases or a metal-matrix material with hard embedded particles, e.g. WC-Me
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Definitions
- the invention relates to the surface finishing of functional components.
- Objects for which their application is possible and expedient are all functional components made of titanium or its alloys subject to sliding wear, which are exposed to operating temperatures below 500 ° C, are subjected to high surface pressure and must have the lowest possible coefficient of friction.
- the invention can be used particularly advantageously for protecting human implants, in particular with oscillating movement sequences and components subject to sliding wear from the aerospace sector.
- Titanium is an excellent construction material whose high specific strength, chemical resistance and biocompatibility make it ideal for various special applications. However, a wider range of applications is often opposed by its low resistance to sliding wear and its high coefficient of friction.
- the component is melted by the laser beam to a depth of 0.1 to 0.7 mm and nitrogen is blown into the melt at the same time. Because of the high affinity of titanium for reactive gases, titanium nitride is formed immediately, which separates out of the melt in the form of needles. After solidification, the surface layer consists of a metallic matrix made of titanium with a modified one compared to the initial state ⁇ / ß portion and very densely embedded, sometimes quite coarse titanium nitride needles. The hardness of the surface layer is usually up to 1000 HV.
- a method for gas nitriding (PS US 5,326,362) has become known in which molecular nitrogen at a process temperature of 400 ° C to 704.4 ° C diffuses into the areas near the surface and forms a wear-resistant surface layer through solution hardening.
- the component is placed in a vacuum oven, evacuated to a pressure of 1 • 10 " 6 Torr, then filled with 1 at nitrogen, heated to 537.7 ° C, the nitrogen pressure increased to 2 at and several hours at 593.3 ° C.
- the surface layer consists of a 0.2 ⁇ m thick connecting layer made of titanium nitrides, titanium carbonitrides, titanium oxides and carboxides and a several ⁇ m thick diffusion layer.
- the titanium nitrides in the connecting layer are significantly more finely dispersed than in laser gas alloys. Since the connection layer forms a closed layer on the surface, the load capacity of the layer under an oxygen-containing atmosphere and elevated temperatures is increased at the same time.
- the aim of the invention is to provide a biocompatible surface layer structure which is significantly more resistant to sliding wear and has a very low coefficient of sliding friction for titanium and its alloys, and to propose a method for its production
- the invention is based on the object of specifying an edge layer structure which, using the high wear resistance of the titanium nitride, has a hardness depth which is at least one order of magnitude higher and which does not contain titanium needles directly in the surface
- this object is achieved with a wear-resistant, mechanically highly resilient and low-friction surface layer structure for titanium or its alloys, consisting of a laser gas-alloyed layer with deposited titanium nitride needles, as stated in at least one of claims 1 to 3
- the extremely thin (5 - 50 nm, in the application of a final roughness before layer deposition ⁇ 0.10 ⁇ m, preferably in the range between 5 - 20 nm) intermediate layer comes in particular from an economic point of view (very short process times) and due to the fact that With these small interlayer thicknesses, particularly high adhesive strengths of the hard-amorphous carbon layer can be achieved
- Claim 2 represents an advantageous embodiment of the intermediate layer, in which particularly good adhesion of the hard-amorphous carbon layer is achieved
- the object is achieved by a method for producing an edge layer structure with a low coefficient of friction and a very high load-bearing capacity.
- the procedure according to the invention is as specified in claim 4.
- a component made of the alloy Ti6AI4V with the dimensions 10 x 40 x 60 mm 3 should be provided on one flat side with a very wear-resistant and low-friction layer structure.
- the ground component which has been cleaned of grease residues with a solvent, is positioned on the processing table of a CNC machine.
- the protective bell is designed in such a way that it can move freely in three coordinate directions and guarantees a residual oxygen content of ⁇ 3 ppm after a flushing time of 90 s.
- the laser power is 5 kW
- the beam has a diameter of 3.4 mm on the component, 8 mm / min is selected as the feed rate.
- the track spacing is 0.75 mm with a resulting track width of 4.5 mm. This results in an overlap of 83.3%.
- the process of gas alloying is started by starting the CNC program and the laser beam release.
- the layer produced in this way is 1.2 mm deep and consists of titanium nitride needles which are embedded in a titanium matrix.
- the component After the component has cooled, its surface is ground with a diamond-bonded grinding wheel with a grain size of 125 ⁇ m until a uniform surface with a roughness of ⁇ 0.62 ⁇ m is achieved. Then sand with SiC paper P800 to P1200 until a roughness of ⁇ 0.12 ⁇ m is reached. The surface of the component is then cleaned in a vacuum chamber by ion bombardment with argon ions. In the same chamber there is an arrangement for carrying out the laser-controlled, pulsed vacuum arc (laser-are) process for producing the hard-amorphous carbon layers.
- laser-controlled, pulsed vacuum arc (laser-are) process for producing the hard-amorphous carbon layers.
- the arrangement consists of a pulsed vacuum arc, the target material switched as cathode and a Q-switched Nd-Yag laser with a power density> 5 • 10 8 W / cm 2 .
- the component is fastened in a substrate holder.
- the cylindrical cathode is divided into two parts and consists of a titanium and a graphite roller.
- a voltage is applied between the cathode and the anode which is not yet sufficient to ignite an arc discharge.
- the laser is focused on the titanium roller and switched on. His pulses generate plasma clouds, each of which ignite a short arc.
- Ti ions and atoms are deposited on the substrate.
- a switch is made to the graphite cathode and the hard-amorphous carbon layer is deposited on the component.
- the deposited layer is 400 nm thick and consists of a hard-amorphous carbon film.
- the components are tested on a ball-disc tribometer, the ball being made of hard metal.
- the ball has a diameter of 3 mm and is pressed onto the sample with a force of 2.5 N.
- the test is carried out under atmospheric conditions at room temperature and without lubricant.
- the wear removal is measured with a profilometer.
- the test is interrupted after every 30 m of wear.
- the total wear path is 300 m.
- FIG. 2a shows the comparison of the wear removals of the untreated titanium alloy, various laser gas alloy layers known from the prior art, and that of the layer structure according to the invention. It is clear that the samples with the layer structure according to the invention have a significantly better wear behavior.
- 2b shows the influence of the surface layer refinement process on the coefficient of friction of the same treatment variants. Here, too, it can be seen that the layer structure according to the invention is significantly better than the known methods.
- a curved component made of the alloy Ti6AI4V with the dimensions 6 x 40 x 16 mm 3 is to be provided on its curved outside with a very wear-resistant and low-friction layer structure.
- Example 2 In contrast to Example 1, in Example 2, however, a polishing process to a final roughness of ⁇ 0.10 ⁇ m is carried out after the second grinding step.
- the coating process (deposition of the intermediate layer and deposition of the hard-amorphous carbon layer DLC layer) is carried out analogously to Example 1.
- a 10 nm thick Ti intermediate layer was measured on the coated curved component directly on the component surface and immediately thereafter a 300 nm hard amorphous carbon layer (DLC layer).
- DLC layer hard amorphous carbon layer
- Vibration frequency f 20 Hz
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Materials For Medical Uses (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98965076A EP1032721B1 (de) | 1997-11-19 | 1998-11-10 | Verschleissbeständiger, mechanisch hochbelastbarer und reibungsarmer randschichtaufbau für titan oder seine legierungen sowie verfahren zu seiner herstellung |
US09/530,963 US6410125B1 (en) | 1997-11-19 | 1998-11-10 | Wear-resistant, mechanically highly stressed and low-friction boundary coating construction for titanium or the alloys thereof and a method for producing the same |
DE59803095T DE59803095D1 (de) | 1997-11-19 | 1998-11-10 | Verschleissbeständiger, mechanisch hochbelastbarer und reibungsarmer randschichtaufbau für titan oder seine legierungen sowie verfahren zu seiner herstellung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19751337.9 | 1997-11-19 | ||
DE19751337A DE19751337A1 (de) | 1997-11-19 | 1997-11-19 | Verschleißbeständiger, mechanisch hochbelastbarer und reibungsarmer Randschichtaufbau für Titan oder seine Legierungen sowie Verfahren zu seiner Herstellung |
Publications (2)
Publication Number | Publication Date |
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WO1999027147A2 true WO1999027147A2 (de) | 1999-06-03 |
WO1999027147A3 WO1999027147A3 (de) | 1999-07-22 |
Family
ID=7849241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/DE1998/003367 WO1999027147A2 (de) | 1997-11-19 | 1998-11-10 | Verschleissbeständiger, mechanisch hochbelastbarer und reibungsarmer randschichtaufbau für titan oder seine legierungen sowie verfahren zu seiner herstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6410125B1 (de) |
EP (1) | EP1032721B1 (de) |
DE (2) | DE19751337A1 (de) |
WO (1) | WO1999027147A2 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1154034A2 (de) * | 2000-05-11 | 2001-11-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Herstellung einer verschleiss- und reibarmen Beschichtung auf Leichtmetallbauteilen |
US6821624B2 (en) * | 2000-02-25 | 2004-11-23 | Sumitomo Electric Industries, Ltd. | Amorphous carbon covered member |
DE102007023284A1 (de) * | 2007-06-15 | 2008-12-18 | Biotronik Vi Patent Ag | Implantat mit einer oberflächennahen magnesiumhaltigen Diffusionsschicht und dazugehöriges Herstellungsverfahren |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5212416B2 (ja) * | 2000-02-25 | 2013-06-19 | 住友電気工業株式会社 | 非晶質炭素被覆部材 |
DE10059802B4 (de) * | 2000-12-01 | 2008-08-07 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Oberflächenvergütung |
US7866342B2 (en) | 2002-12-18 | 2011-01-11 | Vapor Technologies, Inc. | Valve component for faucet |
US7866343B2 (en) | 2002-12-18 | 2011-01-11 | Masco Corporation Of Indiana | Faucet |
US8555921B2 (en) | 2002-12-18 | 2013-10-15 | Vapor Technologies Inc. | Faucet component with coating |
US8220489B2 (en) | 2002-12-18 | 2012-07-17 | Vapor Technologies Inc. | Faucet with wear-resistant valve component |
US7001672B2 (en) * | 2003-12-03 | 2006-02-21 | Medicine Lodge, Inc. | Laser based metal deposition of implant structures |
US7666522B2 (en) * | 2003-12-03 | 2010-02-23 | IMDS, Inc. | Laser based metal deposition (LBMD) of implant structures |
DE102004002678B4 (de) * | 2004-01-19 | 2005-12-01 | Siemens Ag | Ventilnadel und Ventil |
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Also Published As
Publication number | Publication date |
---|---|
EP1032721B1 (de) | 2002-02-13 |
DE59803095D1 (de) | 2002-03-21 |
EP1032721A2 (de) | 2000-09-06 |
WO1999027147A3 (de) | 1999-07-22 |
US6410125B1 (en) | 2002-06-25 |
DE19751337A1 (de) | 1999-05-27 |
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