WO2017059467A1 - Composant d'une machine pour la transformation des métaux - Google Patents

Composant d'une machine pour la transformation des métaux Download PDF

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Publication number
WO2017059467A1
WO2017059467A1 PCT/AT2016/000081 AT2016000081W WO2017059467A1 WO 2017059467 A1 WO2017059467 A1 WO 2017059467A1 AT 2016000081 W AT2016000081 W AT 2016000081W WO 2017059467 A1 WO2017059467 A1 WO 2017059467A1
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group
layer
component
component according
compound
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PCT/AT2016/000081
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German (de)
English (en)
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Bernhard MAYR-SCHMÖLZER
Martin Kathrein
Michael ANDROSCH
Thomas Huber
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Plansee Se
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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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/44—Carburising
    • 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
    • C23C8/20—Carburising
    • 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
    • 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
    • C23C8/28—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 more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48—Nitriding
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/62—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 solids, e.g. powders, pastes only one element being applied
    • C23C8/64—Carburising
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/62—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 solids, e.g. powders, pastes only one element being applied
    • C23C8/68—Boronising
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/72—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 solids, e.g. powders, pastes more than one element being applied in one step
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/72—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 solids, e.g. powders, pastes more than one element being applied in one step
    • C23C8/74—Carbo-nitriding
    • 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
    • C23C8/80—After-treatment

Definitions

  • the invention relates to a component of a metal processing machine made of a refractory metal (RM) selected from the group consisting of tungsten (W), W alloy, molybdenum (Mo) and Mo alloy. Furthermore, the invention relates to a method for producing such a component.
  • RM refractory metal
  • Metalworking machines such as extrusion presses and forming units, contain components such as dies, dies, foundry molds, mandrels, etc.
  • An increase in operating times also reduces, among other things, the operating costs of a metal processing machine.
  • Refractory metals or their alloys used The processing of metals such as aluminum or copper takes place at temperatures of about 500- 700 ° C or 750-1000 ° C and therefore exerts not only a purely thermal load, but also a high chemical load on the materials used .. The life of components of
  • Metal processing machines for example, for aluminum or copper is therefore often greatly reduced.
  • JP2007038251 A discloses a method of increasing the life of a forging mandrel of iron by diffusion coating with carbon.
  • Components of the machine can lead.
  • the object of the invention is therefore to provide a solution, whereby the disadvantages described above can be avoided.
  • the present invention is the material removal of
  • a component of a metal processing machine is made of a refractory metal (RM) selected from the group consisting of tungsten (W), W alloy, molybdenum (Mo) and Mo alloy and is characterized in that at least one surface of the component at least partially Layer, which is at least partially formed of at least one compound of at least one element selected from the group consisting of carbon (C), boron (B) and nitrogen (N) with at least one element selected from the group consisting of W and Mo.
  • RM refractory metal
  • the component according to the invention is preferably a die, a die a mandrel or a foundry mold.
  • the component is made of a refractory metal, wherein the
  • Refractory metal is selected from the group consisting of tungsten (W), W alloy, molybdenum (Mo) and Mo alloy.
  • W, W alloys, Mo and Mo alloys are also abbreviated to RM in the following text. Therefore, an RM component is a component made of W, a W alloy, Mo, or a Mo alloy.
  • a surface of the RM component has, at least in regions, a layer which, at least in regions, comprises at least one compound of at least one element selected from the group consisting of
  • Base material as well as the layer on a RM.
  • the basic bodies are the areas of the component which have no layer or no layer yet.
  • the components according to the invention are also significantly more resistant to a broad field of use conditions, compared to uncoated components of W, W alloys, Mo or Mo alloys.
  • Particularly advantageous compounds are the carbides, borides and nitrides. However, it is also excellent compounds that contain at least two elements of the group consisting of C, B and N in addition to W and / or Mo. For example, with compounds containing both C and B, excellent lifetime results could be achieved.
  • the layer as RM on that element which also forms the majority of the main body is made of molybdenum or a molybdenum alloy, that the layer is formed by a compound of molybdenum.
  • the base body is made of molybdenum or a molybdenum alloy, that the layer is formed by a compound of molybdenum.
  • Base body of the component is made of Mo and the layer comprises Mo 2 B, MoB, MoC, M02C, Mo 2 N or MoN. It is particularly advantageous if in the production of the layer
  • Compound formation takes place by reaction of C, B and / or N with the W and / or Mo of the main body, since an excellent layer adhesion can be achieved thereby.
  • the layer can completely cover the base body or can also be applied only in places of highest stress.
  • the layer can be single or multi-layered and / or of mixed phases with varying
  • Composition be executed. If a Mo-W alloy is used as the base body for the component, which represents an advantageous embodiment, then the compound may have Mo and W as metallic constituents. Therefore, in the list of advantageous borides, carbides and nitrides listed below, without adversely affecting the properties, W may be partially replaced by Mo or Mo in part by W.
  • Particularly advantageous binary compounds are W 2 B, WB, W2B5,
  • the non-metallic constituent of the aforementioned binary compounds is partially replaced by a (for ternary Compounds) or two (for quaternary compounds) further element (s) from the group C, B and N replaced.
  • these may additionally contain further elements, for example C, B, N, W and / or Mo, in dissolved form.
  • a further advantageous embodiment is a composite layer.
  • a composite layer is to be understood as a layer which is composed of at least two phase regions.
  • a particularly advantageous embodiment of the invention should be emphasized if the layer contains the phases WC and / or W 2 C.
  • Another particularly advantageous embodiment is given when the layer contains WB and / or W 2 B.
  • the combination of WC and / or W 2 C and WB and / or W 2 B represents a particularly advantageous
  • the outermost region of the layer of WC and / or WB be formed, followed by a region having W 2 B and / or W 2 C phase.
  • W 2 B and / or W 2 C are adjacent to the main body of W or a W alloy.
  • the outermost region of the layer may be formed from MoC and / or MoB, followed by a region adjoining Mo 2 B and / or Mo 2 C
  • Phase has. Mo 2 B and / or Mo 2 C are adjacent to the main body of Mo or a Mo alloy.
  • the layer is interlocked with the adjoining region of the base body.
  • This gearing effect is achieved in a simple manner by the reaction of C, B and / or N with Mo and / or W of the main body.
  • C and / or B and / or compounds of C, B and / or N are applied to the surface of the base body. By heating, C, B and / or N then diffuse into the
  • the toothing is advantageously formed by grains of the layer (for example and advantageously by W 2 B, W 2 C, Mo 2 B and / or Mo 2 C grains).
  • a carbide forms as the top layer layer, which is particularly resistant to wear.
  • the introduction from N to the layer is preferably carried out by annealing in an N-containing atmosphere (reaction annealing).
  • reaction annealing Preferably, NH 3 or a mixture of at least two gases of the group consisting of NH 3 , H 2 and N 2 and annealing temperatures, for example in the range 700 to 1 .300 ° C are used.
  • the advantageous average layer thickness can be selected within a wide range, with the preferred range being 1 to 300 ⁇ m, preferably 3 to 200 ⁇ m.
  • the main body is pure W, W - 0, 1 to 3 Ma% rare earth oxide, W heavy metal, pure Mo, Mo - titanium (Ti) - zirconium (Zr) - C (common name: TZM), Mo - hafnium (Hf) - C (common name: MHC) or Mo-W alloys.
  • W W - 0, 1 to 3 Ma% rare earth oxide
  • W heavy metal pure Mo
  • Mo - titanium (Ti) - zirconium (Zr) - C common name: TZM
  • Mo - hafnium (Hf) - C common name: MHC
  • Mo-W alloys are particularly suitable
  • Rare earth oxide is to strike out La 2 0 3 .
  • W - La 2 0 3 has a significantly improved cutting behavior compared to pure W, whereby the manufacturing cost of the component can be significantly reduced.
  • Pure-W or Rein-Mo are to be understood as meaning the metals of the usual technical purity.
  • the component has at least one of the following properties:
  • the compound is selected from the group a or b, with:
  • Group a carbides, borides and nitrides
  • Group b compound containing W and / or Mo and at least two
  • the compound is selected from the group consisting of W 2 B, WB, W 2 B 5 , Wi -X B 3 , WB 4 , WC, W 2 C, WN, W 2 N, W 3 N 2 ; Mo 2 B, MoB, Mo 3 B 2 , MoB 4 ,
  • MoC, Mo 2 C, MoN, Mo 2 N and Mo 3 N 2 selected.
  • the layer is designed as a composite layer.
  • the composite layer has at least one region of a boride and at least one region of a carbide.
  • the outermost layer layer is at least partially formed by WC or WB.
  • the layer is interlocked with the adjoining base body.
  • the toothing is formed by grains of the layer.
  • the RM component has the layer in places of high stress.
  • At least one compound contains at least one element selected from the group consisting of B, C, N, W and Mo in dissolved form.
  • the RM component is made of Rein-W, W-0.1 to 3% by mass rare earth oxide, W heavy metal, pure Mo Mo-Ti-Zr-C (TZM), Mo-Hf-C (MHC) or one Made of Mo-W alloy.
  • the object of the invention is also achieved by a method for producing an RM component.
  • the method has at least the following steps:
  • Compound of an element selected from the group consisting of C, B and N applied.
  • the application can be done for example by dumping, by brushing, by dipping or by spraying.
  • Particularly suitable is the application of a slurry to mention, since it is also possible to coat parts with complex geometries in a simple and advantageous manner.
  • Suitable reactive gases are in particular gases or gas mixtures which are N (for example NH 3 or a mixture of at least two gases of the group consisting of NH 3 , H 2 and N 2 ), C (for example CH 4 ) and / or B (for example BH 3 ).
  • N for example NH 3 or a mixture of at least two gases of the group consisting of NH 3 , H 2 and N 2
  • C for example CH 4
  • B for example BH 3
  • the temperature is advantageously 700 to 2000 ° C. (annealing in vacuum) or 700 to 1300 ° C. (annealing in reactive gas), whereby the range which is most suitable for the respective compound can be determined by simple experiments.
  • C, B and / or N then diffuse into the base material and together with it form the invention
  • Another advantage compared to gas-phase nitriding is that layer thicknesses in a wide range from 1 to 300 ⁇ m can be achieved with the method according to the invention. In gas phase nitriding only thicknesses of 1 to 15 pm can be achieved. Due to the higher layer thicknesses of the
  • the size of the components that can be coated is another distinguishing feature for gas-phase nitriding
  • Gas phase nitriding is not only the size of the plant, but also the
  • the layer may also be applied by other conventional methods such as PVD, CVD, thermal spraying or annealing in reactive gas (for example in the aforementioned gases / gas mixtures).
  • FIG. 1 shows a two-layered molybdenum boride / diboride layer on Mo.
  • Figure 2 shows a multilayer composite layer, the areas of
  • Molybdenum carbide and areas of molybdenum boride comprises.
  • FIG. 3 shows a GDOES profile of the layer in FIG. 2
  • FIG. 4 shows a sketch of a matrix with partial coating (thick lines).
  • Figure 5 shows a coated part of a die.
  • FIG. 6 shows an EBSD image of a two-layered tungsten boride /
  • Tungsten carbide layer on W Tungsten carbide layer on W.
  • a slurry containing carbon and / or boron was applied by dipping on the surface of the base body.
  • the respective C and B components can be taken from Tables 1 and 2.
  • the samples were subjected to annealing at 1500 ° C / 10h in vacuum.
  • the involved components C, B and N formed the corresponding compounds during the heat treatment. As an example, this is reproduced for the sample 19 according to Table 2 in FIG.
  • the EBSD measurement was performed as follows.
  • Tables 1 and 2 show an overview of the samples.
  • a template of MHC was cleaned alkaline in the ultrasonic bath.
  • the heat treatment was carried out under vacuum at 1500 ° C for 4h, forming a multilayered layer of molybdenum carbides and molybdenum borides.
  • a scanning electron micrograph of a portion of the thus treated matrix is shown in FIG.

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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)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

L'invention concerne un composant d'une machine pour la transformation des métaux, fabriqué à partir d'un métal réfractaire (RM) sélectionné dans le groupe comprenant le tungstène (W), un alliage de tungstène, le molybdène (Mo) et un alliage de molybdène. Au moins une surface du composant présente au moins une couche formée au moins dans certaines zones par au moins un composé constitué d'au moins un élément sélectionné dans le groupe comprenant le carbone (C), le bore (B) et l'azote (N) et d'au moins un élément sélectionné dans le groupe comprenant W et Mo.
PCT/AT2016/000081 2015-10-05 2016-09-02 Composant d'une machine pour la transformation des métaux WO2017059467A1 (fr)

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ATGM290/2015U AT14986U1 (de) 2015-10-05 2015-10-05 Komponente einer Metallverarbeitungsmaschine
ATGM290/2015 2015-10-05

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WO2017059467A1 true WO2017059467A1 (fr) 2017-04-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4186881A1 (fr) 2021-11-24 2023-05-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Production d'une couche de carbure de tantale sur des céramiques techniques à l'aide d'un revêtement par pulvérisation et procédé de frittage à haute température à base de solutions aqueuses

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778757A (en) * 1953-08-28 1957-01-22 Firth Sterling Inc Carburized tungsten alloy article
US5645944A (en) * 1994-08-01 1997-07-08 Schwarzkopf Technologies Corp. Application of molybdenum alloys
US20090293993A1 (en) * 2008-05-28 2009-12-03 Universal Global Products, Llc. Boronization Process and Composition with Improved Surface Characteristics of Metals
US20100279146A1 (en) * 2006-08-21 2010-11-04 H.C. Starck Ltd. Refractory metal tool for friction stir welding comprising a shoulder made of tungsten, molybdenum, tantalum, niobium or hafnium alloy and a coated or treated surface
WO2016138547A1 (fr) * 2015-03-02 2016-09-09 Plansee Se Implanteur d'ions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778757A (en) * 1953-08-28 1957-01-22 Firth Sterling Inc Carburized tungsten alloy article
US5645944A (en) * 1994-08-01 1997-07-08 Schwarzkopf Technologies Corp. Application of molybdenum alloys
US20100279146A1 (en) * 2006-08-21 2010-11-04 H.C. Starck Ltd. Refractory metal tool for friction stir welding comprising a shoulder made of tungsten, molybdenum, tantalum, niobium or hafnium alloy and a coated or treated surface
US20090293993A1 (en) * 2008-05-28 2009-12-03 Universal Global Products, Llc. Boronization Process and Composition with Improved Surface Characteristics of Metals
WO2016138547A1 (fr) * 2015-03-02 2016-09-09 Plansee Se Implanteur d'ions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J JANUSCHEWSKY ET AL: "Long-Term Behavior of SIBOR - an Oxidation Protection System for Mo and its Alloys", PLANSEE SEMINAR, 4 June 2013 (2013-06-04), pages 62, XP055208462, Retrieved from the Internet <URL:http://www.plansee.com/download/RM62_Long_term_behavior_and_new_applications_for_SIBOR.pdf> [retrieved on 20150819] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4186881A1 (fr) 2021-11-24 2023-05-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Production d'une couche de carbure de tantale sur des céramiques techniques à l'aide d'un revêtement par pulvérisation et procédé de frittage à haute température à base de solutions aqueuses

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