# US 11,898,227 B2 · Hard nickel-chromium-aluminum alloy for oilfield services apparatus and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,898,227 B2 - Document ID: US11898227B2 - Status: Granted - Kind: B2 - Application number: 16/599,144 - Filed: 2019-10-11 - Published: 2021-04-15 - Granted: 2024-02-13 - Earliest claimed: 2019-10-11 - Assignees: Schlumberger Technology Corporation - Applicants: Schlumberger Technology Corporation - Inventors: Manuel Marya - Web page: https://patentgrep.com/patent/US11898227B2 ## CPC - C22C 29/08: based on tungsten carbide - B33Y 70/00: Materials specially adapted for additive manufacturing - C22C 19/053: {with the maximum Cr content being at least 30% but less than 40%} - C22C 19/055: {with the maximum Cr content being at least 20% but less than 30%} - C22C 29/067: {comprising a particular metallic binder} - C22C: ALLOYS (treatment of alloys C21D, C22F) - B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ## Abstract An environmentally resistant alloy is disclosed having a transition metal that upon being included in the Ni Cr Al alloy causes no liquid phases below 1310° C., creates over 45% of a gamma phase above 900° C. up to 1310° C., creates over 30% comprised of a gamma prime phase between 450° C. and 600° C., and wherein the gamma prime phase is characterized by a formula (Ni,Co)x(Cr,Al,Mo)y wherein x and y are integers. ## Claims ### Claim 1 A cermet material, comprising: a ceramic material; and an alloy material comprising a transition metal included in a Ni Cr Al alloy that causes no liquid phase below 1310° C., creates over 45% of a gamma phase above 900° C. up to 1310° C., and creates over 30% comprised of a gamma prime phase between 450° C. and 600° C., and the gamma prime phase is characterized by a formula (Ni,Co)x(Cr,Al,Mo)y, wherein x and y are integers, wherein an amount of the Al in the alloy material is 3.1 weight percent to 5.1 weight percent, wherein the transition metal comprises at least one of Co, Mo, and W, wherein a weight percent of the alloy material in the cermet material is 40%, and wherein a ratio of an amount of the ceramic material to an amount of the alloy material is less than 1.5. ### Claim 2 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Mo, an amount of the Ni in the alloy material is greater than or equal to 55 weight percent, an amount of the Cr in the alloy material is greater than or equal to 28 weight percent and up to 36 weight percent, an amount of the Mo in the alloy material is up to 3.25 weight percent, and the alloy material is free of W. ### Claim 3 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Mo and W, an amount of the Ni in the alloy material is greater than or equal to 55 weight percent, an amount of the Cr in the alloy material is greater than or equal to 28 weight percent and up to 36 weight percent, an amount of the Mo in the alloy material is up to 2 weight percent, and an amount of the W in the alloy material is up to 2 weight percent. ### Claim 4 (depends on 1) The cermet material of claim 1, wherein the alloy material is 300 HVN in hardness before heat treatment, and wherein the alloy material is greater than 500 HVN in hardness after the heat treatment. ### Claim 5 A cermet material comprising: ceramic particulates; and an alloy binder placed within the ceramic particulates, the alloy binder comprising a transition metal included in a Ni Cr Al alloy causes no liquid phase below 1310° C., creates over 45% of a gamma phase above 900° C. up to 1310° C., and creates over 30% comprised of a gamma prime phase between 450° C. and 600° C., wherein the gamma prime phase is characterized by a formula (Ni,Co)x(Cr,Al,Mo)y wherein x and y are integers, wherein an amount of the Al in the alloy binder is 3.1 to 5.1 weight percent, wherein the transition metal comprises at least one of Co, Mo and W, wherein a weight percent of the alloy binder in the cermet material is 40%, and wherein a weight ratio of the ceramic particulates to the alloy binder is 1.5 or less. ### Claim 6 (depends on 5) The cermet material of claim 5, wherein: the transition metal comprises Mo, an amount of the Ni in the alloy binder is greater than or equal to 55 weight percent, an amount of the Cr in the alloy binder is greater than or equal to 28 weight percent and up to 36 weight percent, an amount of the Mo in the alloy binder is up to 3.25 weight percent, and the alloy binder is free of W. ### Claim 7 A cermet material, comprising: tungsten carbide particulates; and an alloy binder placed within the tungsten carbide particulates, the alloy binder comprising a transition metal included in a Ni Cr Al alloy that causes no liquid phase below 1310° C., creates over 45% of a gamma phase above 900° C. up to 1310° C., and creates over 30% comprised of a gamma prime phase between 450° C. and 600° C., wherein the gamma prime phase is characterized by a formula (Ni,Co)x(Cr,Al,Mo)y wherein x and y are integers, wherein an amount of the Al in the alloy binder is 3.1 to 5.1 weight percent, wherein the transition metal comprises at least one of Co, Mo, and W, wherein a weight percent of the alloy binder in the cermet material is 40%, and wherein a weight ratio of the tungsten carbide particulates to the alloy binder is 1.5 or less. ### Claim 8 (depends on 7) The cermet material of claim 7, wherein: the transition metal comprises Mo, an amount of the Ni in the alloy binder is greater than or equal to 55 weight percent, an amount of the Cr in the alloy binder is greater than or equal to 28 weight percent and up to 36 weight percent, an amount of the Mo is up to 3.25 weight percent, and the alloy binder is free of W. ### Claim 9 (depends on 1) The cermet material of claim 1, wherein an amount of the Ni in the alloy material is 61 weight percent to 63.65 weight percent. ### Claim 10 (depends on 1) The cermet material of claim 1, wherein an amount of the Cr in the alloy material is 32 weight percent to 36 weight percent. ### Claim 11 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Mo and W, an amount of the Mo in the alloy material is up to 2.25 weight percent, and an amount of the W in the alloy material is up to 2 weight percent. ### Claim 12 (depends on 1) The cermet material of claim 1, wherein: the alloy material is free of W, the transition metal comprises Mo, and an amount of the Mo in the alloy material is up to 3.25 weight percent. ### Claim 13 (depends on 1) The cermet material of claim 1, wherein: the alloy material is free of W, the transition metal comprises Mo, and an amount of the Mo in the alloy material is up to 3 weight percent. ### Claim 14 (depends on 1) The cermet material of claim 1, wherein: the alloy material is free of W, the transition metal comprises Mo, and an amount of the Mo in the alloy material is up to 2.5 weight percent. ### Claim 15 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Mo and optionally W, an amount of the Cr in the alloy material is 32 weight percent to 36 percent, an amount of the Mo in the alloy material is up to 2.5 weight percent, and if the W is present in the alloy material, an amount of the W in the alloy material is up to 2 weight percent. ### Claim 16 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Co and Mo, the alloy material is free of W, an amount of the Co in the alloy material is up to 2 weight percent, and an amount of the Mo in the alloy material is up to 3.25 weight percent. ### Claim 17 (depends on 1) The cermet material of claim 1, wherein: the transition metal comprises Co, Mo, and W, an amount of the Co in the alloy material is up to 2 weight percent, an amount of the Mo in the alloy material is up to 2.25 weight percent, and an amount of the W in the alloy material is up to 2 weight percent. ### Claim 18 (depends on 5) The cermet material of claim 5, wherein a weight percent of the ceramic particulates in the cermet material is 60% or less. ### Claim 19 (depends on 7) The cermet material of claim 7, wherein a weight percent of the tungsten carbide particulates in the cermet material is 60% or less. ### Claim 20 (depends on 1) The cermet material of claim 1, wherein a weight percent of the ceramic material is 60%.