Abstract: This disclosure generally relates to coating compositions comprising chromium and aluminum and coatings formed using the same, and more particularly to bond coat compositions and coatings for use in various gas turbine applications. In one aspect, a material composition comprises M, Cr, and Al, wherein M is one or more of Ni, Co, and Fe. The material composition is configured to form a BCC ordered phase and a disordered metallic phase of either a BCC or FCC crystal structure.

Abstract: Disclosed herein are embodiments of nickel-based alloys. The nickel-based alloys can be used as feedstock for PTA and laser cladding hardfacing processes, and can be manufactured into cored wires used to form hardfacing layers. The nickel-based alloys can have high corrosion resistance and large numbers of hard phases such as isolated hypereutectic hard phases.

Abstract: The disclosure relates generally to tungsten carbide particles, and more particularly to textured spheroidal tungsten carbides, composites formed thereof, and methods of applying the composites. In one aspect, a powder blend comprises fused tungsten carbide particles. The fused tungsten carbide particles have a spheroidal or substantially spherical shape having ratio of a first length along a major axis to second length along a minor axis that is 1.20 or lower. The fused tungsten carbide particles have a surface that is textured to have a grain boundary area fraction greater than 5.0%.

Abstract: Disclosed herein are improved chromium carbide alloy which possess improved properties as related to previous developments. The utilization of aluminum in the alloy can enhance the high temperature oxidation resistance. Embodiments of alloys were designed to simultaneously possess 1) a low liquidus temperature which enables easy atomization on an industrial scale, and 2) a microstructure of a gamma matrix and Cr7C3 carbide precipitates which enables high temperature stability and retention of advantageous properties at high temperatures.

Abstract: Disclosed herein are embodiments of alloys configured to form a coating with two contrasting physical behaviors: 1) reduced hardness with the end result of an easily machinable coating and 2) high abrasion resistance. Generally low hardness will result in low abrasion resistance. However, embodiments of the alloys described herein are able to maintain a low hardness while exhibiting higher abrasion resistance.

Abstract: Embodiments of an iron-based coating configured to be thermally sprayed are disclosed. The iron-based coatings can be fully readable, thus allowing for thickness measurements to be performed on the coating with standard magnetic measuring equipment. Further, the iron-based coating can have advantageous properties, such as high hardness, high wear resistance, and high adhesion strength.

Abstract: Disclosed herein are embodiments of nickel-based alloys. The nickel-based alloys can be used as feedstock for PTA and laser cladding hardfacing processes, and can be manufactured into cored wires used to form hardfacing layers. The nickel-based alloys can have high corrosion resistance and large numbers of hard phases such as isolated hypereutectic hard phases.

Abstract: The disclosed technology relates to a method of selecting a material composition and/or designing an alloy. In one aspect, a method of selecting a composition of a material having a target property comprises receiving an input comprising thermodynamic phase data for a plurality of materials. The method additionally includes extracting from the thermodynamic phase data a plurality of thermodynamic quantities corresponding to each of the materials by a computing device. The extracted thermodynamic quantities are predetermined to have correlations to microstructures associated with physical properties of the material. The method additionally includes storing the extracted thermodynamic quantities in a computer-readable medium. The method further includes electronically mining the stored thermodynamic quantities using the computing device to rank at least a subset of the materials based on a comparison of at least a subset of the thermodynamic quantities that are correlated to the target property.

Abstract: Embodiments of an alloy that can be resistant to cracking. In some embodiments, the alloy can be advantageous for use as a hardfacing alloys, in both a diluted and undiluted state. Certain microstructural, thermodynamic, and performance criteria can be met by embodiments of the alloys that may make them advantageous for hardfacing.

Abstract: Disclosed herein are embodiments of a non-magnetic iron-based alloy. The alloy can contain high hard phase fractions providing for significant toughness and wear resistance. The alloy can have high austenite content and high toughness in some embodiments. Further, embodiments of the alloy can include a number of large or extremely hard particles.

Abstract: Embodiments of an alloy that can be resistant to cracking. In some embodiments, the alloy can be advantageous for use as a hardfacing alloys, in both a diluted and undiluted state. Certain microstructural, thermodynamic, and performance criteria can be met by embodiments of the alloys that may make them advantageous for hardfacing.

Abstract: Compositions are provided that exhibit an austenitic nickel microstructure. The compositions comprise Ni, Cr, Mo and at least one element selected from the group consisting of Al, Si, and Ti. Feedstock having the composition may be in the form of a cored wire or wires, a solid wire or wires, or a powder.

Abstract: Disclosed herein are embodiments of a non-magnetic iron-based alloy. The alloy can contain high hard phase fractions providing for significant toughness and wear resistance. The alloy can have high austenite content and high toughness in some embodiments. Further, embodiments of the alloy can include a number of large or extremely hard particles.

Abstract: Disclosed herein are embodiments of copper-based alloys. The alloys can comprise hard phases of silicides and can be free or substantially free of Co, Mn, Mo, Ta, V, and W. The copper-based alloys can be used as feedstock for PTA and laser cladding hardfacing processes, and can be manufactured into cored wires used to form hardfacing layers.

Abstract: Disclosed herein are embodiments of alloys which can be particularly advantageous in twin wire arc spray methods for coating of a substrate. In some embodiments, a plurality of alloys can be used to form both hard and soft particles on a surface. In some embodiments, chromium can be minimized or eliminated.

Abstract: Disclosed herein are embodiments of non-magnetic, strong carbide forming alloys. In particular, the alloys can be advantageously used for powder manufacturing. Embodiments of the disclosure can have low FCC-BCC transition temperatures in combination with hard particles having a hardness of 1000 Vickers or greater. The alloys can be used in conjunction with, for example, drill pipe tool joints, drill collars, down hole stabilizers, or oilfield components, particularly as a hardbanding component.

Abstract: The disclosed technology relates to a method of selecting a material composition and/or designing an alloy. In one aspect, a method of selecting a composition of a material having a target property comprises receiving an input comprising thermodynamic phase data for a plurality of materials. The method additionally includes extracting from the thermodynamic phase data a plurality of thermodynamic quantities corresponding to each of the materials by a computing device. The extracted thermodynamic quantities are predetermined to have correlations to microstructures associated with physical properties of the material. The method additionally includes storing the extracted thermodynamic quantities in a computer-readable medium. The method further includes electronically mining the stored thermodynamic quantities using the computing device to rank at least a subset of the materials based on a comparison of at least a subset of the thermodynamic quantities that are correlated to the target property.

Abstract: The disclosed technology relates to a method of selecting a material composition and/or designing an alloy. In one aspect, a method of selecting a composition of a material having a target property comprises receiving an input comprising thermodynamic phase data for a plurality of materials. The method additionally includes extracting from the thermodynamic phase data a plurality of thermodynamic quantities corresponding to each of the materials by a computing device. The extracted thermodynamic quantities are predetermined to have correlations to microstructures associated with physical properties of the material. The method additionally includes storing the extracted thermodynamic quantities in a computer-readable medium. The method further includes electronically mining the stored thermodynamic quantities using the computing device to rank at least a subset of the materials based on a comparison of at least a subset of the thermodynamic quantities that are correlated to the target property.

Abstract: Disclosed herein are embodiments of hardfacing alloys which can be resistant to hot tearing and cracking. In doing so, the hardfacing alloys can meet certain thermodynamic, microstructural, and performance criteria. For example, embodiments of the alloy have a martensitic matrix embedded with isolated carbides and/or borides. Further, in some embodiments the hardfacing alloys can also have high levels of macro-hardness.

Abstract: Disclosed herein are embodiments of alloys which can be used for hardfacing applications, and hardfacing layers themselves. In particular, embodiments of the alloys can have high hardness as well as impact resistance. These advantageous properties can occur due to the inclusion of hardfacing particles, as well as other compositional, microstructural, thermodynamic, and performance criteria.