US3900592A - Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate - Google Patents
Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate Download PDFInfo
- Publication number
- US3900592A US3900592A US382308A US38230873A US3900592A US 3900592 A US3900592 A US 3900592A US 382308 A US382308 A US 382308A US 38230873 A US38230873 A US 38230873A US 3900592 A US3900592 A US 3900592A
- Authority
- US
- United States
- Prior art keywords
- substrate
- coating
- titanium
- produce
- carbide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- C23C14/027—Graded interfaces
-
- 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
- C23C14/0021—Reactive sputtering or evaporation
-
- 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
-
- 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
- Y10T428/24983—Hardness
Definitions
- a method for coating a substrate with titanium nitride or titanium carbide or zirconium nitride or zirconium carbide is described wherein physical vapor deposition in a vacuum is used, and wherein the substrate is biased by an electrical potential and the composition of the deposit is changed by introducing a gas during the deposition to produce a hardness gradient in the deposit which increases outwardly from the substrate.
- Titanium Nitride #1100, 325x Vickers Pneumatic Hardness Tests Kglmm 100 qram load 50 gram load 100 qram load 10 gram load METHOD FOR COATING A SUBSTRATE TO PROVIDE A TITANIUM OR ZIRCONIUM NITRIDE OR CARBIDE DEPOSIT HAVING A HARDNESS GRADIENT WHICH INCREASES OUTWARDLY FROM THE SUBSTRATE
- This invention relates to coated substrates and, more particularly, to the coating of a substrate to produce a high hardness coating.
- the production of high hardness coatings on substrates may be desired in a wide variety of applications.
- a titasium carbide coating on the surface of tungsten carbide cutting tools or wear parts produces significantly longer cutting or wear life than is possible with the uncoated tools or parts.
- Another example is the coating of wear surfaces in the combustion chambers of internal combustion engines, particularly those of the rotary type, with high hardness coatings of titanium nitride or titanium carbide.
- Another object of the invention is to provide a method for coating a substrate in which very high hardness of the coating is obtained.
- lt is another object of the invention to provide a method for coating a substrate in which relatively higher deposition rates may be achieved than in many prior art methods.
- 7 V v A further object of the invention is to provide a method for coating a substrate in which a very strong mechanical bond between a high hardness coating and a relatively softer substrate is achieved.
- the method of the invention comprises placing the substrate in an evacuated environment and evaporating titanium or zirconium metal in the evacuated environment to produce a vapor and causing the vapor to deposit on the substrate.
- the composition of the vapor is changed by reacting it with a gas during deposition to produce a hardness gradient in the deposit which increases outwardly from the substrate.
- an electrical potential is applied to the substrate during the deposition process sufficient to produce a voltage difference of at least 200 volts between the substrate and the crucible.
- the method is applicable to coating a variety of substrates, including metals such as aluminum, magnesium, iron, and alloys thereof, and to coating metal composites such as tungsten carbide.
- substrates including metals such as aluminum, magnesium, iron, and alloys thereof
- metal composites such as tungsten carbide.
- the particular materials used depends upon the use of the product being manufactured. For example, a coating of titanium nitride on a titanium carbide substrate will produce a very hard product suitable for use in cutting tools and wear parts.
- Coatings deposited in accordance with the invention may comprise titanium nitride, titanium carbide, zirconium nitride or zirconium carbide for wear parts, cutting tools, or corrosion resistance, etc.
- the invention is applicable to any situation wherein it is desirable to produce a hard coating on a relatively softer substrate.
- the equipment utilized to carry out the method of the invention may be of any suitable type in which a vapor of the material to be deposited is produced in a vacuum. Heating of the coating material in order to vaporize same may be accomplished by such means as resistance heating, induction heating, or preferably electron beam heating. Equipment for accomplishing high vacuum vapor deposition is known in the art andis commercially available on the market from the Airco Temescal Division of Airco, 'lnc., Berkeley, Calif. The particular structure of the equipment is not critical to the invention and therefore will not be further de-' the initial pressure in the chamber is of the order of 1 millitorr or less.
- an electrical potential is applied to the substrate during deposition.
- the electrical potential is sufficient to produce a glow discharge.
- an electrical bias of negative 200 volts or greater will produce the desired glow I discharge.
- the electrical biasing will also tend to heat the substrate, which is desirable in most cases to enhance the quality of the deposit.
- the titanium or zirconium of which a nitride or carbide is to be deposited is evaporated within the evacuated environment.
- the term titanium is meant to include pure titanium and titanium base alloys as well.
- the tenn zirconium is meant to include pure zirconium and zirconium base alloys as well.
- the metal thusevaporated will pass in the vapor form within the evacuated environment and when vapor particles thereof strike the substrate, they will condense on the substrate and thereby form a deposit on the surface thereof. The particular conditions under which this occurs are well known to those skilled in the art and therefore will not be further detailed herein.
- the respective dimensional responses of the substrate and the coating to thermal or mechanical forces may be substantially different. As a result, very high shear forces may concentrate at the interface between the coating and the substrate. If this interface is weak for any reason, such as poor adhesion or the presence of discontinuities or foreign substances, failure can result.
- the method of the invention creates a hardness gradient in the coating. Ideally, this is accomplished by making the mechanical and thermal properties of the coating and the substrate at the interface identical. Transition from the mechanical and thermal properties at the interface to the higher strength properties on the outer surface of the deposit are made to occur gradually from the interface to the outersurface.
- the elimination of thermal and mechani cal property discontinuities distributes shear stresses over a volume, rather than concentrating them at a surface plane at the interface, thus rendering the resultant product more resistant to thermal or mechanical cycling.
- the composition of the vapor produced in the evacuated environment is changed gradually during the deposition process to produce a hardness gradient in the deposit which increases outwardly from the substrate.
- This is accomplished by the introduction of a reactant gas to the vapor gradually increasing the gas pressure, such as from about one micron to about 50 microns.
- the reactant gas may such as to produce a nitride or carbide, and may be acetylene, nitrogen, methane, etc., for example.
- the photomicrograph enlarged 325 times illustrates the cross section of a substrate coated in accordance with the invention and illustrating the results of Vickers Pneumatic hardness tests in kilograms per square millimeter taken across the cross section.
- the substrate is indicatedv at the very bottom of the illustration and five regions of the coating are indicated at A, B, C, .Dand E in the photograph. These regions represent different partial pressures of nitrogen present during the evaporation process.
- Region A in which no nitrogen bleed was used, is pure titanium.
- Region B was deposited at 3 to 4 microns partial pressure nitrogen, region C at 4 to 6.5 microns partial pressure of nitrogen, region D at microns partial pressure of nitrogen, and region E at 12 microns partial pressure of nitrogen. Deposition rates for all regions was 0.0008 inch per minute except for region. E, in which the rate was 0.0003 inch.
- Evaporation 'occurred from a pure titanium ingot with a 25 kilowatt electron beam at'a starting pressure of 0.01 micron in the vacuum chamber.
- the temperature of the substrate was l600F.
- Pressure of the nitrogen was increased to the 12 micron maximum in a time period of 40 minutes and then was held constant in the region E.
- pure titanium deposited at the substrate surface in the region A offered relatively low hardness values, and the Vickers hardness values increased substantially in the regions B through D.
- the outer surface offered the maximum Vickers hardness of 2,450 kilograms per square millimeter under a 100 gram load.
- the illustration indicates that the surface hardness is substantially increased by depositing titanium nitride in accordance with the invention.
- TITANIUM-NITRIDE HARDNESS AS A FUNCTION OF BIAS AND NITROGEN PRESSURE
- the substrate temperature was l,600F and the deposition rate was 1 i 0.3 mils per minute in all cases.
- Zirconium has been deposited in accordance with the invention and similar results have been achieved. Hardness values of zirconium nitride deposited by evaporating zirconium with a N bleed were as follows:
- Zirconium carbide may be produced in a similar manner.
- the invention provides an improved method for coating a substrate in which very high hardness of the coating is obtained. Relatively high deposition rates may also be achieved in comparison with many prior art methods. A very strong mechanical bond is obtained between the high hardness coating and the relatively softer substrate.
- a method for coating a substrate with a nitride or carbide of titanium or zirconium comprising, placing the substrate in an evacuated environment, evaporating titanium or zirconium from a crucible in the evacuated environment to produce a vapor and causing the vapor to deposit on the substrate initially as titanium or zirconium, applying an electrical potential during deposition sufficient to produce a voltage difference of at least 200 volts between the substrate and the crucible, and introducing a reactant gas with a gradually increasing partial pressure to the vapor to change the composition of the deposit from its initial composition to increasing nitride or carbide in the direction outwardly from the substrate to produce a hardness gradient in the deposit which increases outwardly from the substrate.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US382308A US3900592A (en) | 1973-07-25 | 1973-07-25 | Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate |
DE19742431448 DE2431448B2 (de) | 1973-07-25 | 1974-07-01 | Verfahren zum beschichten eines substrates mit einem nitrid oder carbid von titan oder zirkonium durch reaktives aufdampfen |
JP8555474A JPS5319325B2 (de) | 1973-07-25 | 1974-07-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US382308A US3900592A (en) | 1973-07-25 | 1973-07-25 | Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
US3900592A true US3900592A (en) | 1975-08-19 |
Family
ID=23508397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US382308A Expired - Lifetime US3900592A (en) | 1973-07-25 | 1973-07-25 | Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate |
Country Status (3)
Country | Link |
---|---|
US (1) | US3900592A (de) |
JP (1) | JPS5319325B2 (de) |
DE (1) | DE2431448B2 (de) |
Cited By (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035541A (en) * | 1975-11-17 | 1977-07-12 | Kennametal Inc. | Sintered cemented carbide body coated with three layers |
US4107352A (en) * | 1977-01-13 | 1978-08-15 | Westinghouse Canada Limited | Chemical vapor deposition |
US4109061A (en) * | 1977-12-08 | 1978-08-22 | United Technologies Corporation | Method for altering the composition and structure of aluminum bearing overlay alloy coatings during deposition from metallic vapor |
US4226082A (en) * | 1976-06-07 | 1980-10-07 | Nobuo Nishida | Ornamental part for watches and method of producing the same |
US4254159A (en) * | 1977-12-23 | 1981-03-03 | Balzers Aktiengesellschaft Fur Hochvakuumtechnik Und Dunne Schichten | Method of producing gold-color coatings |
US4260658A (en) * | 1979-06-21 | 1981-04-07 | Kobe, Inc. | Erosion resistant surface |
US4333962A (en) * | 1979-09-04 | 1982-06-08 | Balzers Aktiengesellschaft | Method for producing gold color coatings |
US4346123A (en) * | 1979-08-02 | 1982-08-24 | Balzers Aktiengesellschaft | Method of depositing hard wear-resistant coatings on substrates |
US4415602A (en) * | 1981-07-24 | 1983-11-15 | Canadian Industrial Innovation Centre/Waterloo | Reactive plating method and product |
US4466991A (en) * | 1946-07-17 | 1984-08-21 | Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut | Cutting tool hardening method |
US4514240A (en) * | 1980-10-30 | 1985-04-30 | Societe Europeenne De Propulsion | Method for adhesively bonding parts made of refractory materials |
DE3515807A1 (de) * | 1984-05-04 | 1985-11-07 | Diesel Kiki Co. Ltd., Tokio/Tokyo | Verfahren zur herstellung eines duennen films |
WO1986004548A1 (en) * | 1985-02-12 | 1986-08-14 | Masco Corporation | Process of manufacturing seal members having a low friction coefficient |
DE3535022A1 (de) * | 1985-02-08 | 1986-08-14 | Citizen Watch Co., Ltd., Tokio/Tokyo | Verfahren zur herstellung von ueberzugsschichten durch ionenstrahlplattieren |
US4758451A (en) * | 1985-12-19 | 1988-07-19 | Fried. Krupp Gmbh | Process for producing coated molded bodies |
DE3731127A1 (de) * | 1987-03-12 | 1988-09-22 | Vac Tec Syst | Verfahren und vorrichtung zur vakuum-lichtbogenplasma-ablagerung dekorativer und abnutzungsfester beschichtungen |
US4935313A (en) * | 1985-02-12 | 1990-06-19 | Masco Corporation Of Indiana | Process of manufacturing seal members having a low friction coefficient |
WO1990012125A1 (en) * | 1989-04-06 | 1990-10-18 | Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr | Method for obtaining a refractory inorganic coating on the surface of an article |
US4973388A (en) * | 1986-02-04 | 1990-11-27 | Preci-Coat S.A. | Method of depositing a decorative wear-resistant coating layer on a substrate |
DE3936550C1 (en) * | 1989-11-03 | 1991-04-18 | Arthur Klink Gmbh, 7530 Pforzheim, De | Substrate coating for wear resistance - with titanium nitride in vacuum chamber contg. titanium evaporator and heater with rotary substrate holder |
WO1991014017A1 (en) * | 1990-03-09 | 1991-09-19 | Kennametal Inc. | Physical vapor deposition of titanium nitride on a nonconductive substrate |
GB2242442A (en) * | 1990-03-09 | 1991-10-02 | Allan Matthews | Modulated composition composites produced by vapour deposition |
US5075181A (en) * | 1989-05-05 | 1991-12-24 | Kennametal Inc. | High hardness/high compressive stress multilayer coated tool |
US5137772A (en) * | 1987-03-27 | 1992-08-11 | Nihon Sinku Gijutsu Kabusiki Kaisha | Body coated with cubic boron nitride and method for manufacturing the same |
US5185211A (en) * | 1991-07-11 | 1993-02-09 | Praxair S.T. Technology, Inc. | Non-stoichiometric titanium nitride coating |
US5229193A (en) * | 1989-11-10 | 1993-07-20 | Shin-Etsu Chemical Co., Ltd. | Silicon carbide member |
US5242753A (en) * | 1991-07-11 | 1993-09-07 | Praxair S.T. Technology, Inc. | Substoichiometric zirconium nitride coating |
US5264297A (en) * | 1990-03-09 | 1993-11-23 | Kennametal Inc. | Physical vapor deposition of titanium nitride on a nonconductive substrate |
US5288543A (en) * | 1990-09-17 | 1994-02-22 | Tdk Corporation | Protective film on sliding members and method of forming same |
US5304417A (en) * | 1989-06-02 | 1994-04-19 | Air Products And Chemicals, Inc. | Graphite/carbon articles for elevated temperature service and method of manufacture |
US5308707A (en) * | 1991-10-07 | 1994-05-03 | Nitruvid | Treatment process for depositing a layer of carbon in vapour phase on the surface of a metal article and article thus obtained |
US5443892A (en) * | 1993-03-19 | 1995-08-22 | Martin Marietta Energy Systems, Inc. | Coated graphite articles useful in metallurgical processes and method for making same |
US5458754A (en) | 1991-04-22 | 1995-10-17 | Multi-Arc Scientific Coatings | Plasma enhancement apparatus and method for physical vapor deposition |
US5626920A (en) * | 1991-10-04 | 1997-05-06 | Tulip Memory Systems, Inc. | Method for coating metal disc substrates for magnetic-recording media |
US5635269A (en) * | 1992-04-15 | 1997-06-03 | Tulip Memory Systems, Inc. | Precision-etched textured stop/start zone for magnetic-recording disks |
US5681635A (en) * | 1994-01-20 | 1997-10-28 | Tulip Memory Systems, Inc. | Magnetic recording medium having a ceramic substrate, an underlayer having a dense fibrous zone T structure, and a magnetic layer |
US5707748A (en) * | 1993-07-21 | 1998-01-13 | Balzers Ag | Coated tool with increased service life |
US5707705A (en) * | 1993-09-08 | 1998-01-13 | Tulip Memory Systems, Inc. | Titanium or titanium-alloy substrate for magnetic-recording media |
US5928977A (en) * | 1996-12-23 | 1999-07-27 | Smh Management Services Ag | Zirconia based ceramic article as wear-resistant exterior part for wristwatch |
US6162500A (en) * | 1996-06-27 | 2000-12-19 | Vaw Motor Gmbh | Method of treating a casting having a casting surface |
US6360423B1 (en) | 1997-12-16 | 2002-03-26 | Clad Metals Llc | Stick resistant coating for cookware |
US6432022B1 (en) | 1998-05-15 | 2002-08-13 | Alpha Getriebebau Gmbh | Low-play planetary gear mechanism |
US20040157066A1 (en) * | 2003-02-07 | 2004-08-12 | Arzoumanidis G. Alexis | Method of applying a hardcoating typically provided on downhole tools, and a system and apparatus having such a hardcoating |
US20040170872A1 (en) * | 2003-02-27 | 2004-09-02 | Henderer Willard E. | Coated carbide tap |
US6797335B1 (en) * | 1999-08-16 | 2004-09-28 | Paderov Anatol Y Nikolaevich | Method for deposition of wear-resistant coatings and for increasing the lifespan of parts |
US6827975B2 (en) * | 1997-06-16 | 2004-12-07 | Tdy Industries, Inc. | Method of coating cutting tools |
US20050025928A1 (en) * | 2003-07-16 | 2005-02-03 | Sandvik Ab | Support pad for long hole drill |
US20050260454A1 (en) * | 2004-05-19 | 2005-11-24 | Fang X D | AI2O3 ceramic tools with diffusion bonding enhanced layer |
US7093340B2 (en) | 1997-12-16 | 2006-08-22 | All-Clad Metalcrafters Llc | Stick resistant ceramic coating for cookware |
US20070065679A1 (en) * | 2003-12-19 | 2007-03-22 | Honeywell International Inc. | Hard, ductile coating system |
US20120040163A1 (en) * | 2010-08-16 | 2012-02-16 | Hon Hai Precision Industry Co., Ltd. | Coating, article coated with coating, and method for manufacturing article |
US20120052280A1 (en) * | 2010-08-31 | 2012-03-01 | Hon Hai Precision Industry Co., Ltd. | Coating, article coated with coating, and method for manufacturing article |
US20120148864A1 (en) * | 2010-12-13 | 2012-06-14 | Hon Hai Precision Industry Co., Ltd. | Coated article and method for making the same |
US20120317822A1 (en) * | 2010-01-20 | 2012-12-20 | Ihi Corporation | Cutting edge structure for cutting tool, and cutting tool with cutting edge structure |
US20140241485A1 (en) * | 2013-02-27 | 2014-08-28 | Fondazione Istituto Italiano Di Tecnologia | Unknown |
US9153422B2 (en) | 2011-08-02 | 2015-10-06 | Envaerospace, Inc. | Arc PVD plasma source and method of deposition of nanoimplanted coatings |
US20150292370A1 (en) * | 2012-10-31 | 2015-10-15 | Mahle Metal Leve S/A | Valve for internal combustion engines |
US20180065271A1 (en) * | 2016-09-06 | 2018-03-08 | Husqvarna Ab | Chainsaw chain and/or bar with coatings having specific properties |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221283A (en) * | 1975-08-13 | 1977-02-17 | Seiko Instr & Electronics Ltd | Constituting element of works for clock parts etc. |
JPS5334027U (de) * | 1976-08-31 | 1978-03-25 | ||
GB1579999A (en) * | 1977-09-12 | 1980-11-26 | Gen Electric | Annular metal cutting die of titanium carbide coating tool steel and method of shaving metal rods |
DE3030149C3 (de) * | 1979-08-09 | 1996-12-19 | Mitsubishi Materials Corp | Schneidplättchen und Verfahren zu seiner Herstellung |
FR2483848A1 (fr) * | 1980-06-06 | 1981-12-11 | Stephanois Rech Mec | Procede pour la fabrication d'une couche composite resistant a la fois au grippage, a l'abrasion, a la corrosion et a la fatigue par contraintes alternees, et couche composite ainsi obtenue |
SE8300910L (sv) * | 1983-02-18 | 1984-08-19 | Santrade Ltd | Sammansatt kropp bestaende av ett substrat belagt med hart, slitstarkt ytskikt |
AU563115B2 (en) * | 1983-09-30 | 1987-06-25 | Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut | Metal-cutting tool and method for manufacture thereof |
DE3431330A1 (de) * | 1984-08-25 | 1986-03-06 | Battelle-Institut E.V., 6000 Frankfurt | Scherblatt fuer einen elektrorasierer |
JPS61288062A (ja) * | 1985-06-17 | 1986-12-18 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | チタン物体の耐摩耗性改善方法 |
US5384201A (en) * | 1991-05-31 | 1995-01-24 | Robert Bosch Gmbh | Tool for treating surfaces of structural parts and carrier material for the same |
DE4232429A1 (de) * | 1992-09-28 | 1994-03-31 | Bosch Gmbh Robert | Werkzeug zur Behandlung von Oberflächen von Bauteilen und Trägerwerkstoff für dieses Werkzeug |
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-
1973
- 1973-07-25 US US382308A patent/US3900592A/en not_active Expired - Lifetime
-
1974
- 1974-07-01 DE DE19742431448 patent/DE2431448B2/de not_active Ceased
- 1974-07-25 JP JP8555474A patent/JPS5319325B2/ja not_active Expired
Patent Citations (5)
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US2836514A (en) * | 1953-11-16 | 1958-05-27 | Metallgesellschaft Ag | Hard surface coated gear member |
US2972556A (en) * | 1958-12-09 | 1961-02-21 | Union Carbide Corp | Composite coated carbonaceous article and process of making the same |
US3108900A (en) * | 1959-04-13 | 1963-10-29 | Cornelius A Papp | Apparatus and process for producing coatings on metals |
US3437511A (en) * | 1966-04-07 | 1969-04-08 | Us Air Force | Metal surfaced with boron and coating of silicon,silicon carbide or titanium nitride |
US3492152A (en) * | 1967-01-30 | 1970-01-27 | Gen Dynamics Corp | Method of vacuum vapor depositing a material on a substrate including reconstitution of decomposed portions of the material |
Cited By (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4466991A (en) * | 1946-07-17 | 1984-08-21 | Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut | Cutting tool hardening method |
US4035541A (en) * | 1975-11-17 | 1977-07-12 | Kennametal Inc. | Sintered cemented carbide body coated with three layers |
US4226082A (en) * | 1976-06-07 | 1980-10-07 | Nobuo Nishida | Ornamental part for watches and method of producing the same |
US4107352A (en) * | 1977-01-13 | 1978-08-15 | Westinghouse Canada Limited | Chemical vapor deposition |
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Also Published As
Publication number | Publication date |
---|---|
DE2431448B2 (de) | 1977-07-07 |
JPS5319325B2 (de) | 1978-06-20 |
DE2431448A1 (de) | 1975-03-06 |
JPS5034610A (de) | 1975-04-03 |
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