EP0128383A1 - Process for producing wear-resistant layers on the surfaces of components made of titanium or alloys based on titanium - Google Patents
Process for producing wear-resistant layers on the surfaces of components made of titanium or alloys based on titanium Download PDFInfo
- Publication number
- EP0128383A1 EP0128383A1 EP84105503A EP84105503A EP0128383A1 EP 0128383 A1 EP0128383 A1 EP 0128383A1 EP 84105503 A EP84105503 A EP 84105503A EP 84105503 A EP84105503 A EP 84105503A EP 0128383 A1 EP0128383 A1 EP 0128383A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- titanium
- nickel
- nickel layer
- tini
- 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.)
- Granted
Links
- 239000010936 titanium Substances 0.000 title claims abstract description 33
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000956 alloy Substances 0.000 title claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 4
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 239000002347 wear-protection layer Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 72
- 239000010410 layer Substances 0.000 claims description 46
- 229910052759 nickel Inorganic materials 0.000 claims description 30
- 229910010380 TiNi Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000008139 complexing agent Substances 0.000 claims description 2
- KERTUBUCQCSNJU-UHFFFAOYSA-L nickel(2+);disulfamate Chemical compound [Ni+2].NS([O-])(=O)=O.NS([O-])(=O)=O KERTUBUCQCSNJU-UHFFFAOYSA-L 0.000 claims description 2
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 2
- XWROUVVQGRRRMF-UHFFFAOYSA-N F.O[N+]([O-])=O Chemical compound F.O[N+]([O-])=O XWROUVVQGRRRMF-UHFFFAOYSA-N 0.000 claims 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims 1
- -1 hexafluorosilicic acid Chemical compound 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 229910004337 Ti-Ni Inorganic materials 0.000 abstract 1
- 229910011209 Ti—Ni Inorganic materials 0.000 abstract 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 229910009972 Ti2Ni Inorganic materials 0.000 description 4
- 229910010381 TiNi3 Inorganic materials 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 150000002815 nickel Chemical class 0.000 description 2
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/60—After-treatment
Definitions
- the invention relates to a method for producing wear protection layers on surfaces of components made of titanium or titanium-based alloys.
- the object of the present invention is to provide a method with which a wear protection layer can be produced, which has a particularly high resistance to friction and erosion and which maintains its intimate connection with the titanium material even under extreme operating conditions.
- this object is achieved in that a metallic nickel layer is adhered to the component surface, after which the component is subjected to a heat treatment in air or in a vacuum such that diffusion layers made of Ti 2 Ni and TiNi 3 are present between the titanium base material on the one hand and the nickel layer on the other train and then the remaining nickel layer is removed.
- the essential idea of the invention is therefore that the nickel coating is only used to form diffusion layers with the titanium base material and is then worked off again, so that the problem of the adhesive strength of the nickel layer no longer plays a role. This is a considerable advantage of the process compared to conventional coating processes, since the wear protection layers, namely the intermetallic phases Ti 2 Ni and TiNi 3, are homogeneous with the titanium base are connected.
- the TiNi 3 layer which forms the top layer after removal of the residual nickel layer, has extremely high wear resistance, since it reaches hardness levels in the range of 1000 HV. Because of the brittleness involved, a component with a TiNi 3 top layer is particularly suitable for static operation.
- the TiNi 3 layer should also be removed in addition to the residual nickel layer, so that the Ti 2 Ni layer remains as the top layer.
- the hardness of this layer is still remarkable and is about 600 HV; however, it is more ductile than the TiNi 3 layer.
- the metallic nickel is to be applied in a layer thickness of 5 to 50 ⁇ m.
- the nickel layer can be deposited electrolytically or chemically on the titanium component. The electrolytic deposition is preferably carried out from a galvanic bath with nickel sulfamate.
- Chemical deposition of the nickel layer is preferably carried out by reacting the titanium surface with a bath of nickel salt, a complexing agent and a chemically reductive agent such as hypophosphite.
- the heat treatment to bring about the diffusion layers is preferably carried out at temperatures of 400 to 950 ° C. and for a period of 30 minutes to 300 hours, high temperatures being used for a short time and vice versa. Temperature and time determine the layer thickness of the diffusion zones that form.
- the nickel cover layer or the nickel cover layer and the TiNi 3 layer are removed chemically by the action of HNO 3 or by a nitroaromatic solution (cyanide) at temperatures between 10 and 60 ° C.
- the stripping times are between 15 minutes and 2 hours depending on the remaining layer thickness of the nickel, the concentration of the stripping bath and the bath temperature.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Electroplating Methods And Accessories (AREA)
- Chemically Coating (AREA)
Abstract
Verfahren zur Herstellung von Verschleißschutzschichten auf Oberflächen von Bauteilen aus Titan oder Titanbasislegierungen durch Bildung einer Diffusionszone aus intermetallischen Ti-Ni-Phasen.Process for the production of wear protection layers on surfaces of components made of titanium or titanium-based alloys by forming a diffusion zone from intermetallic Ti-Ni phases.
Description
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung von Verschleißschutzschichten auf Oberflächen von Bauteilen aus Titan oder Titanbasislegierungen.The invention relates to a method for producing wear protection layers on surfaces of components made of titanium or titanium-based alloys.
Aufgrund der relativ geringen Verschleißbeständigkeit von Titanwerkstoffen ist es seit geraumer Zeit bekannt, diese mit Oberflächenschutzschichten zu versehen. Es sind chemische und elektrochemische Verfahren zur Beschichtung von Titanwerkstoffen bekannt geworden. So ist es z. B. aus der Druckschrift MTU-Berichte 83/37 der MTU MOTOREN- UND TURBINEN-UNION MÜNCHEN GMBH durch einen Aufsatz von M. Thoma mit dem Titel "Oberflächentechnik von Titan" bekannt, Beschichtungswerkstoffe aus galvanischen Bädern auf der Oberfläche von Titanwerkstoffen abzuscheiden. Es hat sich gezeigt, daß mit diesen Verfahren im allgemeinen haftfeste Schutzschichten erzielt werden können, daß aber bei erhöhter mechanischer oder thermischer Beanspruchung der so beschichteten Bauteile noch größere Haftfestigkeit der Verschleißschutzschichten wünschenswert wäre.Due to the relatively low wear resistance of titanium materials, it has been known for some time to provide them with surface protective layers. Chemical and electrochemical processes for coating titanium materials have become known. So it is z. B. from the publication MTU reports 83/37 of MTU MOTOREN- UND TURBINEN-UNION MÜNCHEN GMBH through an article by M. Thoma entitled "Surface technology of titanium" known to deposit coating materials from galvanic baths on the surface of titanium materials. It has been shown that, in general, adhesive protective layers can be achieved with these methods, but that with increased mechanical or thermal stress on the components coated in this way, even greater adhesive strength of the wear protective layers would be desirable.
Aus der Zeitschrift "12th Annual Airlines Plating Forum* 1976, Seite 5, wird in einem Beitrag von dem Autor Jennings ein Verfahren beschrieben, bei dem eine Nickelbeschichtung auf einem Titanbauteil aufgebracht wird und die Haftfestigkeit dieser Nickelbeschichtung durch eine Diffusionswärmebehandlung bei 480 °C erhöht wird. Abgesehen davon, daß Nickel als Verschleißschutzschicht weniger geeignet ist, zeigt sich, daß die Haftfestigkeit unter manchen Betriebsbedingungen noch nicht ausreichend ist und die Nickelschicht sich ganz oder teilweise löst.From the magazine "12th Annual Airlines Plating Forum * 1976, page 5, an article by the author Jennings describes a process in which a nickel coating is applied to a titanium component and the adhesive strength of this nickel coating is increased by a diffusion heat treatment at 480 ° C Apart from the fact that nickel is less suitable as a wear protection layer, it can be seen that the adhesive strength is still insufficient under some operating conditions and that the nickel layer is completely or partially detached.
Aufgabe der vorliegenden Erfindung ist es, ein Verfahren anzugeben, mit dem eine Verschleißschutzschicht erzeugbar ist, die besonders hohe Widerstandsfähigkeit gegen Reibung und Erosion aufweist und die auch unter extremen Betriebsbedingungen ihre innige Verbindung mit dem Titanwerkstoff beibehält.The object of the present invention is to provide a method with which a wear protection layer can be produced, which has a particularly high resistance to friction and erosion and which maintains its intimate connection with the titanium material even under extreme operating conditions.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß auf der Bauteiloberfläche haftfest eine metallische Nickelschicht aufgebracht wird, danach das Bauteil in Luft oder im Vakuum einer solchen Wärmebehandlung unterzogen wird, daß sich zwischen dem Titangrundwerkstoff einerseits und der Nickelschicht andererseits Diffusionsschichten aus Ti2Ni und TiNi 3 ausbilden und danach die noch vorhandene Nickelschicht entfernt wird. Der wesentliche Gedanke der Erfindung besteht also darin, daß die Nickelbeschichtung nur dazu benutzt wird, Diffusionsschichten mit dem Titangrundwerkstoff zu bilden und danach selbst wieder abgearbeitet wird, so daß das Problem der Haftfestigkeit der Nickelschicht keine Rolle mehr spielt. Hierin liegt ein erheblicher Vorteil des Verfahrens gegenüber herkömmlichen Beschichtungsverfahren, da die Verschleißschutzschichten, nämlich die intermetallischen Phasen Ti2Ni und TiNi3 homogen mit dem Titangrundwerkstoff verbunden sind. Die TiNi3 -Schicht, die nach Abtragen der Nickelrestschicht die Deckschicht bildet, weist dabei extrem hohe Verschleißfestigkeit auf, da sie Härtegrade im Bereich von 1000 HV erreicht. Wegen der damit verbundenen Sprödigkeit eignet sich ein Bauteil mit einer TiNi3-Deckschicht besonders bei statischer Betriebsweise.According to the invention, this object is achieved in that a metallic nickel layer is adhered to the component surface, after which the component is subjected to a heat treatment in air or in a vacuum such that diffusion layers made of Ti 2 Ni and TiNi 3 are present between the titanium base material on the one hand and the nickel layer on the other train and then the remaining nickel layer is removed. The essential idea of the invention is therefore that the nickel coating is only used to form diffusion layers with the titanium base material and is then worked off again, so that the problem of the adhesive strength of the nickel layer no longer plays a role. This is a considerable advantage of the process compared to conventional coating processes, since the wear protection layers, namely the intermetallic phases Ti 2 Ni and TiNi 3, are homogeneous with the titanium base are connected. The TiNi 3 layer, which forms the top layer after removal of the residual nickel layer, has extremely high wear resistance, since it reaches hardness levels in the range of 1000 HV. Because of the brittleness involved, a component with a TiNi 3 top layer is particularly suitable for static operation.
Sollen Bauteile mit Verschleißschutzschichten versehen werden, die rotierend und/oder schwingend belastet sind, so soll gemäß weiterer Ausbildung der Erfindung zusätzlich zur Nickelrestschicht auch die TiNi3-Sehicht abgetragen werden, so daß als Deckschicht die Ti2Ni-Schicht verbleibt. Auch die Härte dieser Schicht ist noch beachtlich und beträgt etwa 600 HV; sie ist jedoch in höherem Maß duktil als die TiNi3-Schicht.If components are to be provided with wear protection layers which are subjected to rotating and / or vibrating loads, then according to a further embodiment of the invention, the TiNi 3 layer should also be removed in addition to the residual nickel layer, so that the Ti 2 Ni layer remains as the top layer. The hardness of this layer is still remarkable and is about 600 HV; however, it is more ductile than the TiNi 3 layer.
Weitere verfahrenstechnische Vorteile der Erfindung sind darin zu sehen, daß die Diffusionsgeschwindigkeit des Nickels in Titan außergewöhnlich hoch ist und demzufolge die Wärmebehandlung bei geringen Schichtdicken nur kurze Zeit in Anspruch nimmt. Ein weiterer Vorteil des erfindungs- gemäßen Verfahrens besteht schließlich darin, daß sich die Diffusionsschichten sehr einheitlich über die gesamte Oberfläche des Titanbauteils ausbilden und zwar sowohl bezüglich der Dickenverteilung als auch bezüglich der Zusammensetzung. Insoweit ist das erfindungsgemäße Verfahren für Serienproduktion geeignet, da in hohem Maß Reproduzierbarkeit gegeben ist.Further procedural advantages of the invention can be seen in the fact that the rate of diffusion of the nickel in titanium is exceptionally high and consequently the heat treatment takes only a short time in the case of small layer thicknesses. Another advantage of the Invention - method according finally consists in the fact that the diffusion layers to form very uniform over the entire surface of the titanium component, both with respect to the thickness distribution and also with respect to the composition. To this extent, the method according to the invention is suitable for series production, since there is a high degree of reproducibility.
Vorteilhafte Ausgestaltungen der erfindungsgemäßen Ver- fahren nach den Patentansprüchen 1 und 2 und besonders günstige Verfahrensparameter sind in den Patentansprüchen 3 bis 9 aufgezeigt.Advantageous embodiments of the invention Ver - drive according to claims 1 and 2, and more convenient process parameters are shown in the patent Claims 3 to 9th
So ist es vorteilhaft, zur Erzielung der gewünschten Haftfestigkeit der metallischen Nickelschicht auf den Titangrundwerkstoff nach den Patentansprüchen 3 und 4 zu verfahren bzw. das in der DE-OS 31 33 189 beschriebene Aktivierungsverfahren anzuwenden. Je nach gewünschter Dicke der sich ausbildenden Verschleißschutzschichten auf der Oberfläche des Titanbauteils ist das metallische Nickel in einer Schichtdicke von 5 bis 50 µm aufzutragen. Die Nickelschicht kann elektrolytisch oder chemisch auf dem Titanbauteil abgeschieden werden. Die elektrolytische Abscheidung erfolgt dabei vorzugsweise aus einem galvanischen Bad mit Nickelsulfamat.So it is advantageous to achieve the desired adhesive strength of the metallic nickel layer on the titanium base material according to claims 3 and 4 or to use the activation method described in DE-OS 31 33 189. Depending on the desired thickness of the wear protection layers that form on the surface of the titanium component, the metallic nickel is to be applied in a layer thickness of 5 to 50 μm. The nickel layer can be deposited electrolytically or chemically on the titanium component. The electrolytic deposition is preferably carried out from a galvanic bath with nickel sulfamate.
Eine chemische Abscheidung der Nickelschicht erfolgt vorzugsweise durch Reaktion der Titanoberfläche mit einem Bad aus Nickelsalz, einem Komplexbildner und einem chemisch reduktiven Mittel, wie Hypophosphit.Chemical deposition of the nickel layer is preferably carried out by reacting the titanium surface with a bath of nickel salt, a complexing agent and a chemically reductive agent such as hypophosphite.
Die Wärmebehandlung zur Herbeiführung der Diffusionsschichten erfolgt vorzugsweise bei Temperaturen von 400 bis 950 °C und einer Dauer von 30 Minuten bis 300 Stunden, wobei hohe Temperaturen bei geringer Dauer und umgekehrt angewendet werden. Temperatur und Zeit bestimmen die Schichtdicke der sich ausbildenden Diffusionszonen.The heat treatment to bring about the diffusion layers is preferably carried out at temperatures of 400 to 950 ° C. and for a period of 30 minutes to 300 hours, high temperatures being used for a short time and vice versa. Temperature and time determine the layer thickness of the diffusion zones that form.
Die Schichtenfolge von außen nach innen ist dabei:
- Nickel, TiNi3, Ti2Ni, Titan bzw. Titanwerkstoff. Bei einer Wärmebehandlung von 600 °C und 8 Stunden Dauer bilden sich z. B. beide Diffusionszonen TiNi3 und Ti2Ni in einer Schichtdicke von je ca. 4 um aus. Die Härte der so erzeugten Diffusionsschichten unterscheidet sich sehr wesentlich von den Ausgangswerkstoffen Nickel einerseits und Titan andererseits, was sich aus folgender Härtetabelle ergibt: Nickel 140 HV TiNi3 1000 HV Ti2Ni 600 HV TiA16V4 240 HV.
- Nickel, TiNi 3 , Ti2Ni, titanium or titanium material. With a heat treatment of 600 ° C and 8 hours duration z. B. both diffusion zones TiNi 3 and Ti 2 Ni in a layer thickness of about 4 microns each. The hardness of the diffusion layers produced in this way differs significantly from the starting materials nickel on the one hand and titanium on the other hand, which results from the following hardness table: Nickel 140 HV TiNi 3 1000 HV Ti 2 Ni 600 HV TiA16V4 240 HV.
Vorteilhaft ist es, wenn das Entfernen der Nickeldeckschicht oder der Nickeldeckschicht und der TiNi3-Schicht chemisch durch Einwirkung von HNO3 oder durch eine Nitroaromatlösung (cyanidisch) bei Temperaturen zwischen 10 und 60 °C erfolgt. Dabei liegen die Abziehzeiten je nach der Restschichtdicke des Nickels der Konzentration des Abziehbades und der Badtemperatur zwischen 15 Minuten und 2 Stunden.It is advantageous if the nickel cover layer or the nickel cover layer and the TiNi 3 layer are removed chemically by the action of HNO 3 or by a nitroaromatic solution (cyanide) at temperatures between 10 and 60 ° C. The stripping times are between 15 minutes and 2 hours depending on the remaining layer thickness of the nickel, the concentration of the stripping bath and the bath temperature.
Claims (9)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3321231 | 1983-06-11 | ||
| DE3321231A DE3321231C2 (en) | 1983-06-11 | 1983-06-11 | Process for the production of wear protection layers on the surfaces of components made of titanium or titanium-based alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0128383A1 true EP0128383A1 (en) | 1984-12-19 |
| EP0128383B1 EP0128383B1 (en) | 1988-11-09 |
Family
ID=6201312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84105503A Expired EP0128383B1 (en) | 1983-06-11 | 1984-05-15 | Process for producing wear-resistant layers on the surfaces of components made of titanium or alloys based on titanium |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4588480A (en) |
| EP (1) | EP0128383B1 (en) |
| DE (1) | DE3321231C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188942A (en) * | 1986-04-11 | 1987-10-14 | Rolls Royce Plc | Protective coating |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4683648A (en) * | 1984-12-21 | 1987-08-04 | Allied Corporation | Lead-titanium, bipolar electrode in a lead-acid battery |
| DE3716937C1 (en) * | 1987-05-20 | 1987-11-26 | Mtu Muenchen Gmbh | Process for the production of wear protection layers on surfaces of components made of titanium or titanium-based alloys |
| US5300159A (en) * | 1987-12-23 | 1994-04-05 | Mcdonnell Douglas Corporation | Method for manufacturing superplastic forming/diffusion bonding tools from titanium |
| US4970560A (en) * | 1988-12-22 | 1990-11-13 | Xerox Corporation | Lubricated metal cleaning blade for use in dry electrophotographic processes |
| DE3926151C1 (en) * | 1989-02-28 | 1990-05-10 | Mtu Muenchen Gmbh | |
| DE3906187C1 (en) * | 1989-02-28 | 1989-10-26 | Mtu Muenchen Gmbh | Titanium alloy component with a protective layer and process for its production |
| USRE33800E (en) * | 1989-07-03 | 1992-01-21 | United Technologies Corporation | Method for electroplating nickel onto titanium alloys |
| US4902388A (en) * | 1989-07-03 | 1990-02-20 | United Technologies Corporation | Method for electroplating nickel onto titanium alloys |
| JPH03162532A (en) * | 1989-11-20 | 1991-07-12 | Nippon Yakin Kogyo Co Ltd | Production method of NiTi intermetallic compound |
| CA2035970C (en) * | 1990-02-09 | 1999-06-01 | Eiji Hirai | Process for surface treating titanium-containing metallic material |
| US5258098A (en) * | 1991-06-17 | 1993-11-02 | Cycam, Inc. | Method of production of a surface adapted to promote adhesion |
| US5616432A (en) * | 1994-06-14 | 1997-04-01 | Ovonic Battery Company, Inc. | Electrochemical hydrogen storage alloys and batteries fabricated from Mg containing base alloys |
| US6800326B1 (en) * | 1997-01-14 | 2004-10-05 | Seiko Epson Corporation | Method of treating a surface of a surface of a substrate containing titanium for an ornament |
| US6463992B1 (en) | 2000-03-22 | 2002-10-15 | Pratt & Whitney Canada Corp. | Method of manufacturing seamless self-supporting aerodynamically contoured sheet metal aircraft engine parts using nickel vapor deposition |
| TW511180B (en) * | 2000-07-31 | 2002-11-21 | Mitsubishi Chem Corp | Mixed acid solution in etching process, process for producing the same, etching process using the same and process for producing semiconductor device |
| US6932897B2 (en) * | 2003-03-03 | 2005-08-23 | Com Dev Ltd. | Titanium-containing metals with adherent coatings and methods for producing same |
| US6913791B2 (en) * | 2003-03-03 | 2005-07-05 | Com Dev Ltd. | Method of surface treating titanium-containing metals followed by plating in the same electrolyte bath and parts made in accordance therewith |
| US8065898B2 (en) | 2008-07-29 | 2011-11-29 | Hamilton Sundstrand Corporation | Method and article for improved adhesion of fatigue-prone components |
| US9630275B2 (en) * | 2008-12-10 | 2017-04-25 | Boston Scientific Limited | Methods and designs for forming joints between metallic members |
| US10687956B2 (en) | 2014-06-17 | 2020-06-23 | Titan Spine, Inc. | Corpectomy implants with roughened bioactive lateral surfaces |
| TWI726940B (en) | 2015-11-20 | 2021-05-11 | 美商泰坦脊柱股份有限公司 | Processes for additively manufacturing orthopedic implants |
| JP2019527591A (en) | 2016-08-03 | 2019-10-03 | タイタン スパイン インコーポレイテッドＴｉｔａｎ Ｓｐｉｎｅ，Ｉｎｃ． | Implant surfaces that enhance osteoinduction |
| CN111748818B (en) * | 2020-06-30 | 2022-04-26 | 中国航发动力股份有限公司 | Solution and method for quickly removing nickel-cadmium diffusion layer on surface of structural steel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2946728A (en) * | 1955-06-23 | 1960-07-26 | Cleveland Pneumatic Ind Inc | Adherent electroplating on titanium |
| US3647647A (en) * | 1969-02-19 | 1972-03-07 | United Aircraft Corp | Process for plating titanium |
| US3560274A (en) * | 1969-10-10 | 1971-02-02 | Ibm | Wear-resistant titanium and titanium alloys and method for producing same |
| US4236940A (en) * | 1979-06-12 | 1980-12-02 | United Technologies Corporation | Wear resistant titanium alloy coating |
| DE3133189C2 (en) * | 1981-08-21 | 1984-02-09 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | "Process for activating titanium surfaces" |
| JPS5891165A (en) * | 1981-11-27 | 1983-05-31 | Fujitsu Ltd | Manufacture of hammer |
-
1983
- 1983-06-11 DE DE3321231A patent/DE3321231C2/en not_active Expired
-
1984
- 1984-05-15 EP EP84105503A patent/EP0128383B1/en not_active Expired
- 1984-05-22 US US06/612,793 patent/US4588480A/en not_active Expired - Fee Related
Non-Patent Citations (5)
| Title |
|---|
| CHEMICAL ABSTRACTS, Band 80, Nr. 14, 8. April 1974, Seite 163, Nr. 73254x, Columbus, Ohio, US; L. MILTON et al.: "Wear- and erosion-resistant coatings for titanium alloys" & TITANIUM SCI. TECHNOL., PROC. INT. CONF., 2ND 1972 (PUB. 1973). 4, 2487-99 * |
| J.K. DENNIS; T.E. SUCH: "Nickel and chromiun plating", 1972, Seiten 277-278, Butterworth & Co., London, GB; * |
| METAL FINISHING, 51ST GUIDEBOOK-DIRECTORY ISSUE 1983, Band 81, Nr. 1A, mitte Januar 1983, Seiten 280,282; G.A. DIBARI: "Nickel-plating" * |
| PATENTS ABSTRACTS OF JAPAN, Band 5, Nr. 148 (C-72)(820), 18. September 1981; & JP-A-56 081 665 (KAGAKU GIJIYUTSUCHIYOU KINZOKU ZAIRIYOU GIJUTSU KENKYUSHO) 03.07.1981 * |
| PATENTS ABSTRACTS OF JAPAN, Band 7, Nr. 185 (C-181)(1330), 13. August 1983; & JP-A-58 091 165 (FUJITSU K.K.) 31.05.1983 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188942A (en) * | 1986-04-11 | 1987-10-14 | Rolls Royce Plc | Protective coating |
| GB2188942B (en) * | 1986-04-11 | 1990-04-04 | Rolls Royce Plc | Protective coating |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0128383B1 (en) | 1988-11-09 |
| US4588480A (en) | 1986-05-13 |
| DE3321231A1 (en) | 1984-12-13 |
| DE3321231C2 (en) | 1985-10-31 |
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