| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 148243000 |
Liquid reactive coating composition utilized
| 107 |
| 148284000 |
Coating composition applied forms oxide coating
| 32 |
| 148241000 |
Testing or electrical or wave energy utilized
| 25 |
| 148281000 |
Metal substrate contains elemental Ti, Zr, Nb, Ag, Ta, or W or alloy thereof
| 14 |
| 148276000 |
Coating during or after metal oxide formation
| 12 |
| 148278000 |
Carbide formation, decarburization or carbonizing
| 7 |
| 148242000 |
Molten bath or molten surface utilized during reaction
| 6 |
| 148277000 |
Metal oxide formed after applied coating
| 6 |
| 148279000 |
Contains an atom of boron or silicon that reacts with metal substrate | 5 |
| 20090293993 | Boronization Process and Composition with Improved Surface Characteristics of Metals - Embodiments of the disclosed technology provide methods of boronizing titanium and other metals and metal alloys. The method proceeds, in an embodiment of the disclosed technology, by using a boron source, and placing it in a heated environment, followed by a reduced pressure environment, as is described in the disclosure. In a solid phase embodiment of the disclosure, boronized stainless steel alloys are produced having zero galling at 17,000 psi. | 12-03-2009 |
| 20110073217 | WEAR RESISTANT DEVICE AND PROCESS THEREFOR - A wear resistant device includes a substrate of a first metallic material and a wear resistant layer disposed on a substrate. The wear resistant layer includes a matrix of a second, different metallic material, particulates dispersed throughout the matrix, and a boron material dispersed within a portion of the matrix. | 03-31-2011 |
| 20120205012 | Boronization Process and Composition with Improved Surface Characteristics of Metals - Embodiments of the disclosed technology provide methods of boronizing titanium and other metals and metal alloys. The method proceeds, in an embodiment of the disclosed technology, by using a boron source, and placing it in a heated environment, followed by a reduced pressure environment, as is described in the disclosure. In a solid phase embodiment of the disclosure, boronized stainless steel alloys are produced having zero galling at 17,000 psi. | 08-16-2012 |
| 20140190592 | CHEMICAL CONVERSION TREATMENT AGENT FOR SURFACE TREATMENT OF METAL SUBSTRATE, AND SURFACE TREATMENT METHOD OF METAL SUBSTRATE USING SAME - A chemical conversion treatment agent for surface treatment of a metal substrate, comprising:
| 07-10-2014 |
| 20160145733 | INWARD DIFFUSION OF ALUMINUM-SILICON INTO A STEEL SHEET - The invention relates to a device and to a method to diffuse Al—Si into a surface of an Al—Si-coated steel sheet. First of all, a steel sheet is fed into a furnace that can be heated up to the diffusion temperature and subsequently, it is conveyed contactlessly through the furnace that has been heated up to the diffusion temperature. In this process, the steel sheet is heated up to the diffusion temperature, whereby the Al—Si diffuses into a surface of the steel sheet. Subsequently, the steel sheet with the Al—Si that has diffused into a surface is cooled off at a rate of less than approximately 25K/sec. | 05-26-2016 |
| 148283000 |
Contains an atom of halogen, organic material or gaseous sulfur | 4 |
| 20090078340 | Method of chemical treatment and chemically treated member - A chemical treatment method in which an object to be treated is treated with a chemical treating agent to form a chemical conversion coating, in which the object to be treated has at least one aluminum-plated steel sheet and at least one member selected from the group consisting of cold-rolled steel sheets, zinc-plated steel sheets, and aluminum sheets and the chemical treating agent is one which has zirconium, fluorine, and an aminated silane coupling agent and in which the zirconium content is 100-700 ppm in terms of metal amount and the fluorine/zirconium ratio is 3.5-7.0 by mole. A sufficient coating amount can be ensured on the surface of a zinc deposit, cold-rolled steel sheet, zinc-plated steel sheet, aluminum-plated steel sheet, or the like and a chemical conversion coating having sufficient base-hiding properties and sufficient adhesion can be formed. | 03-26-2009 |
| 20120267011 | SULFUR TREATMENT FOR COPPER ZINC ALLOYS - Brass components exhibiting excellent resistance to dezincification corrosion and stress corrosion cracking are prepared without, or with a reduced need for, corrosion inhibiting additives by developing a metal-sulfide rich barrier layer at the surfaces of the component. Brass components treated as disclosed exhibit corrosion resistance as determined by standardized testing that yields dezincification penetration less than 200 microns in depth and exhibits no stress corrosion cracking. | 10-25-2012 |
| 20150107722 | METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODUCING MOLDED ARTICLE OF BLACK-PLATED STEEL SHEET - The present invention pertains to a method for producing a black-plated steel sheet capable of being blackened in a short amount of time, and exhibiting an excellent ability to maintain a black appearance after processing. As an original sheet, the sheet used is a Zn-plating steel sheet which contains molten Al and Mg and has a Zn-plating layer containing molten Al and Mg, containing Al in the amount of 0.1-22.0 mass %, inclusive, and containing Mg in the amount of 0.1-1.5 mass %, inclusive. The plating layer is blackened by causing the molten-plating steel sheet to contact water vapor inside a tightly sealed container. When doing so, the concentration of oxygen inside the tightly sealed container is 13% or less. | 04-23-2015 |
| 20160122555 | SLIP AND PROCESS FOR PRODUCING AN OXIDATION- AND CORROSION-RESISTANT DIFFUSION LAYER - The present invention relates to a process for producing a diffusion layer for protecting temperature-stressed components, in particular of turbomachines, against oxidation and corrosion. The process comprises application of at least one slip to a component surface on which the diffusion layer is to be produced, and drying and/or hardening of the at least one slip by a heat treatment at a first temperature and diffusion heat treatment at a second temperature. The slip comprises Al-containing powder, Si-containing powder and a binder and also a Cr-containing powder which does not comprise any hexavalent chromium. In addition, the invention provides a corresponding slip. | 05-05-2016 |
| 148280000 |
Reactive material applied nonuniformly or reacted selectively | 3 |
| 20080202637 | Method for improving adhesion between a shape memory alloy and a polymer - Methods for improving adhesion between a shape memory alloy and a polymeric material include functionalizing a surface of the shape memory polymer with a phosphorous containing compound or an organosilane coupling agent. Other methods include surface texturing the shape memory alloy surface, independently or in combination with the functionalization. | 08-28-2008 |
| 20080283155 | Stabilized lithium metal powder for Li-ion application, composition and process - The present invention provides a method for stabilizing lithium metal powder. The method comprises the steps of heating the lithium metal powder to above its melting point to provide molten lithium metal, dispersing the molten lithium metal, and contacting the dispersed molten lithium metal with a phosphorous-containing compound to provide a substantially continuous protective layer of lithium phosphate on the lithium metal powder. | 11-20-2008 |
| 20090139610 | Method for hardening groove walls of the ring groove of a steel piston - A method for hardening groove walls of the ring groove of a steel piston by a laser beam consists of conducting process gas that contains oxygen onto a groove wall of the steel piston, and putting the steel piston into rotation. The groove wall is irradiated with the laser beam until an oxide layer has formed on the groove wall. Subsequently, the feed of the process gas is turned off, and the groove wall is heated and hardened, in tracks. The degree of heat conductivity of the groove wall is improved by the oxide layer on the groove wall, thereby bringing about faster heating and hardening of the groove wall. The reflectivity of the groove wall is also reduced in this way, so that only little light is reflected by the groove wall onto other regions of the groove, so that these regions are not unintentionally heated and hardened. | 06-04-2009 |
| 148282000 |
Metal substrate contains elemental copper or alloy thereof | 2 |
| 20140216607 | BIOCOMPATIBLE COPPER-BASED SINGLE-CRYSTAL SHAPE MEMORY ALLOYS - We describe herein biocompatible single crystal Cu-based shape memory alloys (SMAs). In particular, we show biocompatibility based on MEM elution cell cytotoxicity, ISO intramuscular implant, and hemo-compatibility tests producing negative cytotoxic results. This biocompatibility may be attributed to the formation of a durable oxide surface layer analogous to the titanium oxide layer that inhibits body fluid reaction to titanium nickel alloys, and/or the non-existence of crystal domain boundaries may inhibit corrosive chemical attack. Methods for controlling the formation of the protective aluminum oxide layer are also described, as are devices including such biocompatible single crystal copper-based SMAs. | 08-07-2014 |
| 20150129088 | GASEOUS SULFUR TREATMENT METHODS FOR COPPER ZINC ALLOYS - A method of making a corrosion resistant brass component that includes the steps: forming a gaseous atmosphere containing labile sulfur by combustion of potassium bisulfate or hydrogen sulfide; and contacting surfaces of a finished brass component with the gaseous atmosphere containing labile sulfur. The surfaces of the brass component are contacted with the gaseous atmosphere at an elevated temperature for a time sufficient to form a metal-sulfide rich layer of at least 5 microns in thickness. Further, the brass component is corrosion resistant after the contacting step as determined by standardized testing that yields dezincification penetration of less than 200 microns in depth. | 05-14-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20080245443 | COATINGS FOR IMPROVED WEAR PROPERTIES - Lubricated surfaces and methods for improving wear performance of gears and bearings are described. The lubricated surfaces include a manganese phosphate film on the surfaces having a film layer density ranging from about 0.1 to about 0.5 milligrams per square centimeter. A lubricating oil containing a phosphorus anti-wear agent is used to provide lubrication of the surfaces. | 10-09-2008 |
| 20080264523 | Method for Applying a Phosphate Coating on a Steel or Iron Part, and Corresponding Steel or Iron Part - Method for applying a phosphate coating on an iron or steel part, and corresponding iron or steel part. The method according to the invention consists in a first coating step with a first phosphating, through which a first crystalline layer of iron and manganese phosphates is obtained, an intermediate step of partial pickling of said first crystalline layer of phosphates, leaving the base metal partially uncovered, and a second coating step comprising a second phosphating through which a second crystalline layer of iron and manganese phosphates is obtained, covering the partially pickled first layer of phosphates and the base metal. The method provides a coating with a lower thickness, a finer crystallisation and a lower rugosity Rk than the one that can be obtained by a simple phosphating. | 10-30-2008 |
| 20080283154 | HOT DIP GALVANIZED HIGH STRENGTH STEEL SHEET EXCELLENT IN PLATING ADHESION AND HOLE EXPANDABILITY AND METHOD OF PRODUCTION OF SAME - The present invention provides hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and a method of production of the same, that is, hot dip galvanization steel sheet excellent in plating adhesion and hole expandability containing, by mass %, C: 0.08 to 0.35%, Si: 1.0% or less, Mn: 0.8 to 3.5%, P: 0.03% or less, S: 0.03% or less, Al: 0.25 to 1.8%, Mo: 0.05 to 0.35%, and N: 0.010% or less and having a balance of Fe and unavoidable impurities, said hot dip galvanized high strength steel characterized in that the steel sheet has a metal structure having ferrite, bainite, by area percent, 0.5% to 10% of tempered martensite, and, by volume percent, 5% or more of residual austenite, and a method of production comprising annealing by a continuous annealing process at 680 to 930° C. in temperature, then cooling to the martensite transformation point or less, then hot dip galvanizing the steel during which heating the steel to 250 to 600° C., then hot dip galvanizing it. | 11-20-2008 |
| 20090065099 | CHEMICAL CONVERSION TREATING AGENT AND SURFACE TREATED METAL - It is an object of the invention to provide a chemical conversion treating agent containing no chromium and exhibiting high corrosion resistance and excellent stability. | 03-12-2009 |
| 20090101241 | ACTUATION VIA SURFACE CHEMISTRY INDUCED SURFACE STRESS - A method of controlling macroscopic strain of a porous structure includes contacting a porous structure with a modifying agent which chemically adsorbs to a surface of the porous structure and modifies an existing surface stress of the porous structure. A device in one embodiment includes a porous metal structure, which when contacted with a modifying agent which chemically adsorbs to a surface of the porous metal structure, exhibits a volumetric change due to modification of an existing surface stress of the porous metal structure; and a mechanism for detecting the volumetric change. Additional methods and systems are also presented. | 04-23-2009 |
| 20100108197 | HIGH-STRENGTH PC STEEL STRANDED WIRE, PROCESS FOR MANUFACTURING THE SAME, AND CONCRETE STRUCTURE UTILIZING THE WIRE - The present invention provides a prestressing strand that has higher strength and is more suitable for practical use than known prestressing strands, and a concrete construction using the prestressing strand. | 05-06-2010 |
| 20100170593 | OXIDATION RESISTANT ALLOY COATING FILM, METHOD OF PRODUCING AN OXIDATION RESISTANT ALLOY COATING FILM, AND HEAT RESISTANT METAL MEMBER - A metal substrate is embedded in a diffusion and penetration processing agent containing metal oxide, active metal and catalytic compound and heat treatment is carried out, so that an oxidation resistant alloy coating film containing the metal constituting the metal oxide and the active metal is produced. Al | 07-08-2010 |
| 20100175792 | CARBOXYLATE-CONTAINING POLYMERS FOR METAL SURFACE TREATMENT - The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface. | 07-15-2010 |
| 20100243108 | METHOD FOR TREATING AND/OR COATING A SUBSTRATE WITH NON-CHROME MATERIALS - The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner onto at least a portion of the substrate; (b) rinsing at least a portion of the substrate that was subjected to step (a) with water; (c) applying an acid cleaner onto at least a portion of the caustically cleaned substrate; (d) rinsing at least a portion of the substrate that was subjected to step (c) with water; and (e) applying a conversion coating comprising zirconium onto at least a portion of the acid cleaned substrate; and wherein at least one of the materials used in steps (c) and (e) is substantially chrome free. The present invention is also directed to a substrate, such as an aluminum substrate, that has been coated using the aforementioned method. | 09-30-2010 |
| 20110048583 | HARDENED MARTENSITIC STEEL, METHOD FOR PRODUCING A COMPONENT FROM THIS STEEL AND COMPONENT OBTAINED IN THIS MANNER - The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace−50 ppm, —Ni=10.5-15% with Ni≧7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace−500 ppm, —Rare earths=trace−500 ppm, —Ti=trace−500 ppm, −O=trace−200 ppm if the steel is obtained by means of powder metallurgy or trace−50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace−100 ppm, —S=trace−50 ppm, —Cu=trace−1%, and —P=trace−200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained. | 03-03-2011 |
| 20110100512 | Quaternary Ammonium Salts as a Conversion Coating or Coating Enhancement - Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings. | 05-05-2011 |
| 20110186181 | CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide an R—Fe—B based sintered magnet having on a surface thereof a chemical conversion film with higher corrosion resistance than a conventional chemical conversion film such as a phosphate film, and a method for producing the same. The corrosion-resistant magnet of the present invention as a means for achieving the object is characterized by comprising a chemical conversion film containing at least Zr, Nd, fluorine, and oxygen as constituent elements and not containing phosphorus directly on a surface of an R—Fe—B based sintered magnet, wherein R is a rare-earth element including at least Nd. | 08-04-2011 |
| 20110197999 | METHODS FOR MAKING HIGH-TEMPERATURE COATINGS HAVING PT METAL MODIFIED GAMMA-NI +GAMMA'-NI3AL ALLOY COMPOSITIONS AND A REACTIVE ELEMENT - A method for making an oxidation resistant article, including (a) depositing a layer of a Pt group metal on a substrate to form a platinized substrate; and (b) depositing on the platinized substrate layer of Pt group metal a layer of a reactive element selected from the group consisting of Hf, Y, La, Ce and Zr and combinations thereof to form a surface modified region thereon, wherein the surface modified region includes the Pt-group metal, Ni, Al and the reactive element in relative concentration to provide a γ-Ni+γ-Ni3Al phase constitution. | 08-18-2011 |
| 20110259476 | METHODS FOR CORROSION CONTROL OF STEEL IN AQUEOUS ENVIRONMENT USING PASSIVE IRON-SULPHUR LAYERS - A method is taught for protecting steel parts from corrosion due to exposure to a corrosive aqueous environment. The method comprises adding a first quantity of organic sulphur salts to the corrosive aqueous environment, wherein the first quantity of organic sulphur salts react with iron, formed from corrosion of the steel parts, to form a passive iron-sulphur barrier. A second quantity of organic sulphur salts is added to the aqueous medium over the life of the steel parts to maintain a predetermined sulphur concentration in the corrosive aqueous environment to maintain the passive barrier. Also taught is the use of organic sulphur salts in protecting steel parts from corrosion due to exposure to a corrosive aqueous environment. | 10-27-2011 |
| 20120160372 | SURFACE CONDITIONING COMPOSITION, METHOD FOR PRODUCING THE SAME, AND SURFACE CONDITIONING METHOD - A surface conditioning composition for use in surface conditioning of a metal prior to being subjected to a phosphate-based chemical conversion treatment, in which the surface conditioning composition has a pH of 3 to 12, and includes at least one kind of zinc compound particles selected from the group consisting of zinc oxide particles, zinc hydroxide particles, and basic zinc carbonate particles; phosphoric acid and/or condensed phosphoric acid; and an amine compound having a specific structure and in which the zinc compound particles are dispersed and stabilized by the phosphoric acid and/or condensed phosphoric acid, and the amine compound. | 06-28-2012 |
| 20130118643 | COATING METHOD FOR REACTIVE METAL - A coating method includes depositing substantially pure hafnium metal, that is free of other elements that are present in more than trace amounts as inadvertent impurities, onto a metallic substrate, and heat treating the metallic substrate to react the hafnium metal with at least one other element to form a protective coating on the metallic substrate. | 05-16-2013 |
| 20130248052 | BINDING AGENT, SURFACE TREATMENT METHODS USING THE BINDING AGENT AND ARTICLE MANUFACTURED BY THE SAME - A binding agent includes 3-glycidyloxypropyltrimethoxysilane, ethanol, isopropyl alcohol, alkylphenol ethoxylate, acetic acid and sodium dodecylbenzenesulfonate. The surface treatment method using the binding agent and articles manufactured by the method is also provided. | 09-26-2013 |
| 20140083568 | CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide an R—Fe—B based sintered magnet having on a surface thereof a chemical conversion film with higher corrosion resistance than a conventional chemical conversion film such as a phosphate film, and a method for producing the same. The corrosion-resistant magnet of the present invention as a means for achieving the object is characterized by comprising a chemical conversion film containing at least Zr, Nd, fluorine, and oxygen as constituent elements and not containing phosphorus directly on a surface of an R—Fe—B based sintered magnet, wherein R is a rare-earth element including at least Nd. | 03-27-2014 |
| 20140102594 | METHOD OF PLASMA PREPARATION OF METALLIC CONTACTS TO ENHANCE MECHANICAL AND ELECTRICAL INTEGRITY OF SUBSEQUENT INTERCONNECT BONDS - A method of removing oxidation from certain metallic contact surfaces utilizing a combination of relatively simple and inexpensive off-the-shelf equipment and specific chemistry. The method being a very rapid dry process which does not require a vacuum or containment chamber, or toxic gasses/chemicals, and does not damage sensitive electronic circuits or components. Additionally, the process creates a passivation layer on the surface of the metallic contact which inhibits further oxidation while allowing rapid and complete bonding, even many hours after surface treatment, without having to remove the passivation layer. The process utilizes a room-ambient plasma applicator with hydrogen, nitrogen, and inert gasses. | 04-17-2014 |
| 20150083276 | METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODUCING MOLDED ARTICLE OF BLACK-PLATED STEEL SHEET - The present invention pertains to a method for producing a black-plated steel sheet capable of being blackened in a short amount of time, and exhibiting an excellent ability to maintain a black appearance after processing. As an original sheet, the sheet used is a Zn-plating steel sheet which contains molten Al and Mg and has a Zn-plating layer containing molten Al and Mg, containing Al in the amount of 1.0-22.0 mass %, inclusive, and containing Mg in the amount of 1.5-10.0 mass %, inclusive. The plating layer is blackened by causing the molten-plating steel sheet to contact water vapor inside a tightly sealed container. When doing so, the concentration of oxygen inside the tightly sealed container is 13% or less. | 03-26-2015 |
| 20150353146 | METHOD FOR PRODUCING A MOTOR VEHICLE COMPONENT FROM ALUMINUM - A method for producing a motor vehicle component is disclosed having the steps of providing a strain-hardened blank composed of a 5000 grade aluminum alloy, partially heating the blank in a first region to a temperature higher than 350° C., in particular higher than 400° C., and in a second region to a temperature between 150° C. and 350° C., preferably to 300° C., in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s, and transferring the blank into a cooling tool, and performing cooling in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s. | 12-10-2015 |
