Patent application number | Description | Published |
20090004440 | CUTTING INSERT WITH A WEAR-RESISTANT COATING SCHEME EXHIBITING WEAR INDICATION AND METHOD OF MAKING THE SAME - A coated cutting insert for use in a chip-forming material removal operation wherein the coated cutting insert includes a substrate that has a flank surface and a rake surface and the flank surface intersects the rake surface to form a cutting edge at the intersection. There is a wear-resistant coating scheme that adheres to at least a portion of the substrate. The wear-resistant coating scheme includes one or more coating layers of one or more of alumina, hafnia and zirconia. There is a wear indicating coating that adheres to at least a portion of the wear-resistant coating scheme. The wear indicating coating includes M(O | 01-01-2009 |
20090004449 | Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same - A coated cutting insert for use in a chip-forming material removal operation wherein the coated cutting insert includes a substrate that has a flank surface and a rake surface and the flank surface intersects the rake surface to form a cutting edge at the intersection. There is a wear-resistant coating scheme that adheres to at least a portion of the substrate. The wear-resistant coating scheme includes one or more coating layers of one or more of alumina, hafnia and zirconia. There is a wear indicating coating that adheres to at least a portion of the wear-resistant coating scheme. The wear indicating coating includes M(O | 01-01-2009 |
20090155559 | Coated article with nanolayered coating scheme - A coated article that includes a substrate and a wear-resistant coating scheme. The coated article may be a cutting insert shown to improve performance in chip-forming material removal operations or a wear-resistant component used in chipless forming operations. The wear-resistant coating scheme has an underlayer and top layer containing aluminum, chromium, and nitrogen. The coating scheme also includes a mediate multi-periodicity nanolayer coating scheme containing titanium, aluminum, chromium and nitrogen. The mediate multi-periodicity nanolayer coating scheme includes a plurality of sets of alternating layer arrangements. Each one of the alternating layer arrangements has a base layer comprising titanium, aluminum and nitrogen and a nanolayer region having a plurality of sets of alternating nanolayers. Each set of alternating nanolayers has one nanolayer having aluminum, chromium, titanium and nitrogen and another nanolayer having aluminum, chromium, titanium and nitrogen. The base layer has a base layer thickness and the nanolayer region has a nanolayer region thickness. The base layer thickness is smaller than the nanolayer region thickness. | 06-18-2009 |
20110081539 | Aluminum Titanium Nitride Coating and Method of Making Same - Hard coatings and methods of making the hard coatings comprising aluminum titanium nitride which are usable on cutting tools are disclosed. The coatings include at least one aluminum titanium nitride layer having between about 0 and about 15 weight percent hexagonal phase and a composition of (Al | 04-07-2011 |
20110107679 | COATED CUTTING INSERT AND METHOD FOR MAKING THE SAME - A coated cutting insert for removing material from a workpiece that includes a substrate is disclosed. A wear-resistant coating on the substrate that includes an α-alumina layer and a Zr— or Hf— carbonitride outer layer deposited on the α-alumina layer. The Zr— or Hf— carbonitride outer layer is subjected to a post-coat wet blasting treatment. The wet blasting changes the stress condition of the exposed alumina coating layer from an initial tensile stress condition to a compressive stress condition. | 05-12-2011 |
20110293909 | Multilayer Nitride Hard Coatings - A wear resistant multilayer nitride hard coating for substrates. The hard coating includes a first layer of titanium aluminum nitride and a second layer comprising a plurality of sublayer groups. Each sublayer group includes a first sublayer of titanium silicon nitride and a second sublayer of titanium aluminum nitride. The composition of the titanium aluminum nitride, both in the first layer and in the sublayer groups, is (Ti | 12-01-2011 |
20120128955 | COATED CUTTING INSERT AND METHOD FOR MAKING THE SAME - A coated cutting insert for removing material from a workpiece that includes a substrate is disclosed. A wear-resistant coating on the substrate that includes an alumina layer and a Zr- or Hf-carbonitride outer layer deposited on the alumina layer. The Zr- or Hf-carbonitride outer layer is subjected to a post-coat wet blasting treatment. The wet blasting changes the stress condition of the exposed alumina coating layer from an initial tensile stress condition to a compressive stress condition. | 05-24-2012 |
20120201615 | Cubic Aluminum Titanium Nitride Coating and Method of Making Same - Coated cutting tools are disclosed which have a hard coating that includes at least one aluminum titanium nitride layer having a single phase structure of B1 cubic phase and a composition of (Al | 08-09-2012 |
20120225285 | Coated Substrates and Methods of Making Same - Coated substrates having high wear resistant coatings are disclosed. The coatings include at least one layer of either titanium oxycarbonitride or titanium aluminum oxycarbonitride, such that the layer has an oxygen to titanium atomic percent ratio in the range of about 0.01 to about 0.09 and an aluminum to titanium atomic percent ratio in the range of about 0 to about 0.1. The coatings have a hardness to Young's modulus ratio of at least 0.06. The substrate may be a cutting insert. Methods of making such coated substrates are also disclosed in which layers comprising titanium oxycarbonitride or titanium aluminum oxycarbonitride are deposited by medium temperature chemical vapor deposition (MT-CVD) on substrates in the temperature range of about 750 to about 950° C. using a mixture of gases wherein the ratio of the hydrogen gas to the nitrogen gas is greater than 5. | 09-06-2012 |
20120237794 | ALUMINUM OXYNITRIDE COATED ARTICLE AND METHOD OF MAKING THE SAME - A coated article such as a coated cutting tool or coated wear part, which includes a substrate and a coating scheme on the substrate. The coating scheme has a titanium-containing coating layer, and an aluminum oxynitride coating layer on the titanium-containing coating layer. The aluminum oxynitride includes a mixture of phases having a hexagonal aluminum nitride type structure (space group: P63mc), a cubic aluminum nitride type structure (space group: Fm-3m), and optionally amorphous structure. The aluminum oxynitride coating layer has a composition of aluminum in an amount between about 20 atomic percent and about 50 atomic percent, nitrogen in an amount between about 40 atomic percent and about 70 atomic percent, and oxygen in an amount between about 1 atomic percent and about 20 atomic percent. The method of making the coated article includes a step of providing a substrate and depositing an aluminum oxynitride coating layer from a gaseous mixture that includes nitrogen, aluminum tri-chloride, ammonia, carbon dioxide, hydrogen chloride, optionally carbon monoxide, optionally argon, and hydrogen. | 09-20-2012 |
20120244342 | CVD COATED POLYCRYSTALLINE c-BN CUTTING TOOLS - In one aspect, the present invention provides coated cutting tools comprising a PcBN substrate wherein a layer of single phase α-alumina is deposited by chemical vapor deposition directly on one or more surfaces of the substrate. | 09-27-2012 |
20130011692 | COATED ARTICLE HAVING YTTRIUM-CONTAINING COATINGS APPLIED BY PHYSICAL VAPOR DEPOSITION AND METHOD FOR MAKING THE SAME - A coated article has a substrate and a coating scheme, which has a PVD coating region. The PVD coating region contains aluminum, yttrium, nitrogen and at least one element selected from the group of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten and silicon. The sum of the aluminum and yttrium contents is between about 3 atomic percent and about 55 atomic percent of the sum of aluminum, yttrium and the other elements. The yttrium content is between about 0.5 atomic percent and about 5 atomic percent of the sum of aluminum, yttrium and the other elements. There is also a method of making the coated article that includes steps of providing the substrate and depositing the above coating scheme with the PVD coating region. | 01-10-2013 |
20130065081 | MULTILAYER COATED WEAR-RESISTANT MEMBER AND METHOD FOR MAKING THE SAME - A coated wear-resistant member, as well as a method for making the same, includes a substrate and a coating scheme. The coating scheme has a region of alternating coating sublayers. One coating sublayer is Ti | 03-14-2013 |
20130136941 | FUNCTIONALLY GRADED COATING - In one aspect, composite articles are described comprising multifunctional coatings. A composite article described herein, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer and an outer layer, the inner layer comprising a presintered metal or alloy and the outer layer comprising particles disposed in a metal or alloy matrix. | 05-30-2013 |
20130157023 | MULTILAYER NITRIDE HARD COATINGS - A wear resistant multilayer nitride hard coating for substrates. The hard coating includes a first layer of titanium aluminum nitride and a second layer comprising a plurality of sublayer groups. Each sublayer group includes a first sublayer of titanium silicon nitride and a second sublayer of titanium aluminum nitride. The composition of the titanium aluminum nitride, both in the first layer and in the sublayer groups, is (Ti | 06-20-2013 |
20130260035 | METHOD OF MAKING A COATED CERAMIC CUTTING INSERT - A coated ceramic cutting insert for removing material from a workpiece, as well as a method for making the same, that includes a ceramic substrate with a rake surface and at least one flank surface wherein a cutting edge is at the juncture therebetween. A wear-resistant coating scheme that includes an alumina-containing base coating layer region, which has at least one exposed alumina coating layer, deposited by chemical vapor deposition on the substantially all of the surfaces of the ceramic substrate that experience wear during removal of material from the workpiece. The exposed alumina coating layer exhibits a blasted stress condition ranging between about 50 MPa (tensile stress) and about −2 GPa (compressive) as measured by XRD using the Psi tilt method and the (024) reflection of alumina. The exposed alumina coating layer is the result of wet blasting a titanium-containing outer coating layer region from the surface of the alumina-containing base coating layer region. | 10-03-2013 |
20130302521 | METHOD OF MAKING ALUMINUM OXYNITRIDE COATED ARTICLE - A coated article such as a coated cutting tool or coated wear part, which includes a substrate and a coating scheme on the substrate. The coating scheme has a titanium-containing coating layer, and an aluminum oxynitride coating layer on the titanium-containing coating layer. The aluminum oxynitride includes a mixture of phases having a hexagonal aluminum nitride type structure (space group: P63mc), a cubic aluminum nitride type structure (space group: Fm-3m), and optionally amorphous structure. The aluminum oxynitride coating layer has a composition of aluminum in an amount between about 20 atomic percent and about 50 atomic percent, nitrogen in an amount between about 40 atomic percent and about 70 atomic percent, and oxygen in an amount between about 1 atomic percent and about 20 atomic percent. The method of making the coated article includes a step of providing a substrate and depositing an aluminum oxynitride coating layer from a gaseous mixture that includes nitrogen, aluminum tri-chloride, ammonia, carbon dioxide, hydrogen chloride, optionally carbon monoxide, optionally argon, and hydrogen. | 11-14-2013 |
20140208662 | GREEN COLORED REFRACTORY COATINGS FOR CUTTING TOOLS - In one aspect, coated cutting tools are described herein. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating comprising at least one composite layer deposited by chemical vapor deposition, the composite layer comprising an aluminum oxynitride phase, a metal oxide phase including zirconium oxide, a zirconium sulfur nitride phase and a metal oxynitride phase in addition to the aluminum oxynitride phase, the metal oxynitride phase comprising zirconium oxynitride. | 07-31-2014 |
20140271318 | METHODS OF MAKING METAL MATRIX COMPOSITE AND ALLOY ARTICLES - In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate. | 09-18-2014 |
20140271319 | CLADDED ARTICLES AND METHODS OF MAKING THE SAME - In one aspect, methods of making cladded articles are described herein. A method of making a cladded article, in some embodiments, comprises disposing over a surface of a metallic substrate a sheet comprising organic binder and powder metal or powder alloy having a solidus temperature at least 100° C. less than the metallic substrate and heating the powder metal or powder alloy to provide a sintered metal or sintered alloy cladding metallurgically bonded to the metallic substrate. | 09-18-2014 |
20140272391 | HARD COATINGS COMPRISING CUBIC PHASE FORMING COMPOSITIONS - Refractory coatings for cutting tool applications and methods of making the same are described herein which, in some embodiments, permit incorporation of increased levels of aluminum into nitride coatings while reducing or maintaining levels of hexagonal phase in such coatings. Coatings and methods described herein, for example, employ cubic phase forming compositions for limiting hexagonal phase in nitride coatings of high aluminum content. | 09-18-2014 |
20140272446 | WEAR-RESISTANT CLADDINGS - In one aspect, articles are described herein comprising wear-resistant claddings. An article described herein, in some embodiments, comprises a metallic substrate and a cladding adhered to the substrate, the cladding including a metal matrix composite layer comprising at least one hard particle tile having a pore structure infiltrated with matrix metal or matrix alloy. Infiltration of the pore structure of the hard particle tile by the matrix metal or alloy can render the tile fully dense or substantially fully dense. | 09-18-2014 |
20140287199 | COATINGS FOR CUTTING TOOLS - In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising a polycrystalline layer of TiZrAl | 09-25-2014 |
20140287228 | COATED BODY WHEREIN THE COATING SCHEME INCLUDES A COATING LAYER OF TiAl2O3 AND METHOD OF MAKING THE SAME - A coated cutting insert and a method for making the same. The coated cutting insert has a substrate with a substrate surface. There is a backing coating scheme on the substrate surface, and a TiAl | 09-25-2014 |
20140287229 | COATINGS FOR CUTTING TOOLS - In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising at least one Zr doped layer deposited by chemical vapor deposition comprising ZrAl | 09-25-2014 |
20140291036 | MULTILAYER STRUCTURED COATINGS FOR CUTTING TOOLS - In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating having a multilayer structure including a plurality of structural units each comprising a bonding layer and an adjacent alumina layer, the alumina layer having a thickness of less than 0.5 μm and the bonding layer having a thickness less than 1 μm, the bonding layer comprising TiCN and TiAlOC. | 10-02-2014 |
20140342173 | FUNCTIONALLY GRADED COATING - In one aspect, composite articles are described comprising multifunctional coatings. A composite article described herein, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer and an outer layer, the inner layer comprising a presintered metal or alloy and the outer layer comprising particles disposed in a metal or alloy matrix. | 11-20-2014 |
20150050489 | LOW STRESS HARD COATINGS AND APPLICATIONS THEREOF - In one aspect, coated cutting tools are described herein. In some embodiments, a coated cutting tool comprises a substrate and a refractory layer deposited by PVD adhered to the substrate, the refractory layer comprising M | 02-19-2015 |
20150050490 | Low Stress Hard Coatings And Applications Thereof - In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M | 02-19-2015 |
20150064431 | Refractory Coatings For Cutting Tools - In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating including a refractory layer comprising plurality of sublayer groups, a sublayer group comprising an aluminum oxynitride (AlON) sublayer or a composite AlON sublayer and an alumina (Al | 03-05-2015 |