Patents by Inventor Ronald M. Penich
Ronald M. Penich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10253410Abstract: A coated cutting insert includes a substrate that is either a ceramic substrate or polycrystalline cubic boron nitride-containing substrate and has a substrate surface.Type: GrantFiled: April 13, 2017Date of Patent: April 9, 2019Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald M. Penich, Peter R. Leicht, Mark S. Greenfield, Yixiong Liu
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Publication number: 20170218511Abstract: A coated cutting insert includes a substrate that is either a ceramic substrate or polycrystalline cubic boron nitride-containing substrate and has a substrate surface.Type: ApplicationFiled: April 13, 2017Publication date: August 3, 2017Inventors: Vineet KUMAR, Ronald M. PENICH, Peter R. LEICHT, Mark S. GREENFIELD, Yixiong LIU
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Patent number: 9650713Abstract: A coated cutting insert includes a substrate that is either a ceramic substrate or polycrystalline cubic boron nitride-containing substrate and has a substrate surface.Type: GrantFiled: March 12, 2015Date of Patent: May 16, 2017Assignee: KENNAMTETAL INC.Inventors: Vineet Kumar, Ronald M. Penich, Peter R. Leicht, Mark S. Greenfield, Yixiong Liu
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Publication number: 20160265106Abstract: A coated cutting insert includes a substrate that is either a ceramic substrate or polycrystalline cubic boron nitride-containing substrate and has a substrate surface.Type: ApplicationFiled: March 12, 2015Publication date: September 15, 2016Inventors: Vineet Kumar, Ronald M. Penich, Peter R. Leicht, Mark S. Greenfield, Yixiong Liu
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Patent number: 8691374Abstract: 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 TixAlySi100-x-yN wherein 40 atomic percent?x?80 atomic percent; 15 atomic percent?y?55 atomic percent; 4 atomic percent?100?x?y?15 atomic percent. The other coating sublayer is TipAl100-pN wherein 45 atomic percent?p?100 atomic percent. The method for making a coated wear-resistant member includes the steps of providing the substrate, and depositing the region of alternating coating sublayers.Type: GrantFiled: September 14, 2011Date of Patent: April 8, 2014Assignee: Kennametal Inc.Inventors: Wangyang Ni, Ronald M. Penich, Yixiong Liu
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Patent number: 8568866Abstract: 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 (TixAl1-x)N, wherein 0.4?x?0.6. The composition of the titanium silicon nitride sublayers is (TiySi1-y)N, wherein 0.85?y?0.98, and all of the silicon is in solid solution in the titanium silicon nitride such that no silicon phase or silicon nitride phase exists in this sublayer. The combined amount of aluminum and silicon present in the sublayer groups being narrowly controlled such that the sum of x and y is in the range of 1.38 to 1.46.Type: GrantFiled: February 11, 2013Date of Patent: October 29, 2013Assignee: Kennametal Inc.Inventors: Wangyang Ni, Yixiong Liu, Mark S Greenfield, Ronald M Penich
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Patent number: 8500966Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.Type: GrantFiled: April 4, 2005Date of Patent: August 6, 2013Assignee: Kennametal Inc.Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
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Patent number: 8475943Abstract: 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.Type: GrantFiled: July 8, 2011Date of Patent: July 2, 2013Assignee: Kennametal Inc.Inventors: Wangyang Ni, Ronald M Penich, Yixiong Liu
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Patent number: 8409702Abstract: 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 (AlxTi1-x)N, where x is in the range of about 0.46 to about 0.52 moles. The hard coatings also have a residual stress in the range of from about ?0.4 to about ?3 GPa as measured by the XRD Sin2 ? method, and a crystallographic orientation characterized by an x-ray diffraction (200) to (111) peak intensity ratio in the range of about 1 to about 14. Preferably the aluminum titanium nitride layer has an average crystallite size in the range of about 15 to about 50 nanometers. Methods of making such coated cutting tools are also disclosed.Type: GrantFiled: February 7, 2011Date of Patent: April 2, 2013Assignee: Kennametal Inc.Inventors: Wangyang Ni, Zhigang Ban, Ronald M. Penich, Yixiong Liu
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Patent number: 8409695Abstract: 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 (TixAl1-x)N, wherein 0.4?x?0.6. The composition of the titanium silicon nitride sublayers is (TiySi1-y)N, wherein 0.85?y?0.98, and all of the silicon is in solid solution in the titanium silicon nitride such that no silicon phase or silicon nitride phase exists in this sublayer. The combined amount of aluminum and silicon present in the sublayer groups being narrowly controlled such that the sum of x and y is in the range of 1.38 to 1.46.Type: GrantFiled: May 28, 2010Date of Patent: April 2, 2013Assignee: Kennametal Inc.Inventors: Wangyang Ni, Yixiong Liu, Mark S. Greenfield, Ronald M. Penich
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Publication number: 20130065081Abstract: 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 TixAlySi100-x-yN wherein 40 atomic percent?x?80 atomic percent; 15 atomic percent?y?55 atomic percent; 4 atomic percent?100-x-y?15 atomic percent. The other coating sublayer is TipAl100-pN wherein 45 atomic percent?p?100 atomic percent. The method for making a coated wear-resistant member includes the steps of providing the substrate, and depositing the region of alternating coating sublayers.Type: ApplicationFiled: September 14, 2011Publication date: March 14, 2013Applicant: Kennametal Inc.Inventors: Wangyang Ni, Ronald M. Penich, Yixiong Liu
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Publication number: 20130011692Abstract: 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.Type: ApplicationFiled: July 8, 2011Publication date: January 10, 2013Applicant: Kennametal Inc.Inventors: Wangyang Ni, Ronald M. Penich, Yixiong Liu
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Patent number: 8277958Abstract: 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 (AlxTi1-x)N, where x is in the range of about 0.53 to about 0.58 moles.Type: GrantFiled: October 2, 2009Date of Patent: October 2, 2012Assignee: Kennametal Inc.Inventors: Wangyang Ni, Ronald M. Penich, Yixiong Liu, Michael F. Beblo
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Publication number: 20120201615Abstract: 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 (AlxTi1-x)N, where x is in the range of about 0.46 to about 0.52 moles. The hard coatings also have a residual stress in the range of from about ?0.4 to about ?3 GPa as measured by the XRD Sin2 ? method, and a crystallographic orientation characterized by an x-ray diffraction (200) to (111) peak intensity ratio in the range of about 1 to about 14. Preferably the aluminum titanium nitride layer has an average crystallite size in the range of about 15 to about 50 nanometers. Methods of making such coated cutting tools are also disclosed.Type: ApplicationFiled: February 7, 2011Publication date: August 9, 2012Applicant: KENNAMETAL INC.Inventors: Wangyang Ni, Zhigang Ban, Ronald M. Penich, Yixiong Liu
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Publication number: 20110293909Abstract: 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 (TixAl1-x)N, wherein 0.4?x?0.6. The composition of the titanium silicon nitride sublayers is (TiySi1-y)N, wherein 0.85?y?0.98, and all of the silicon is in solid solution in the titanium silicon nitride such that no silicon phase or silicon nitride phase exists in this sublayer. The combined amount of aluminum and silicon present in the sublayer groups being narrowly controlled such that the sum of x and y is in the range of 1.38 to 1.46.Type: ApplicationFiled: May 28, 2010Publication date: December 1, 2011Applicant: KENNAMETAL, INC.Inventors: Wangyang Ni, Yixiong Liu, Mark S. Greenfield, Ronald M. Penich
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Patent number: 7947363Abstract: 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.Type: GrantFiled: December 14, 2007Date of Patent: May 24, 2011Assignees: Kennametal Inc., Oerlikon Trading Ltd.Inventors: Fengting Xu, Wangyang Ni, Ronald M. Penich, Yixiong Liu, Volker-Hermann Derflinger, Dennis T. Quinto, Charles E. Bauer, Qian Ding
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Publication number: 20110081539Abstract: 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 (AlxTi1-x)N, where x is in the range of about 0.53 to about 0.58 moles.Type: ApplicationFiled: October 2, 2009Publication date: April 7, 2011Applicant: Kennametal, Inc.Inventors: Wangyang Ni, Ronald M. Penich, Yixiong Liu, Michael F. Beblo
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Publication number: 20090155559Abstract: 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.Type: ApplicationFiled: December 14, 2007Publication date: June 18, 2009Inventors: Fengting Xu, Wangyang Ni, Ronald M. Penich, Yixiong Liu, Volker-Hermann Derflinger, Dennis T. Quinto, Charles E. Bauer, Qian Ding
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Patent number: 6884499Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.Type: GrantFiled: August 5, 2003Date of Patent: April 26, 2005Assignee: Kennametal Inc.Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
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Publication number: 20040026236Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.Type: ApplicationFiled: August 5, 2003Publication date: February 12, 2004Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor