Abstract:
A process of forming a Si-containing ceramic comprises forming a Si-based polymeric composition. The process includes forming a Si-based polymeric composition; functionalizing said Si-based polymeric composition through covalent bond formation with an ionizable side group; and adding thermal energy under a controlled atmosphere to said Si-based polymeric composition. A turbine engine component (100) comprises an airfoil (120) and the airfoil comprises a Ceramic Matrix Composite (CMC) material.
Abstract:
An article (14) comprising a substrate (12) containing silicon, an environmental barrier layer (18) applied to the substrate (12), the environmental barrier layer (18) comprising an oxide matrix (24), an oxidant getter phase (26) interspersed throughout the oxide matrix (24), and a self-healing phase (28) interspersed throughout the oxide matrix (24).
Abstract:
A method of fabricating a ceramic component includes hot pressing a composite component with a glass powder / filler cover mixture to form a consolidated glass-based coating on the composite component.
Abstract:
A composite component includes a fiber array, a plurality of platelets bridging between fiber filaments of the fiber array and rigidizing the fiber array, and a resin-based phase disposed within voids of the fiber array. A method of making a composite component is also disclosed.
Abstract:
An article which includes a structure of a ceramic material that has a composition SiO x M z C y , where Si is silicon, O is oxygen, M is at least one metal and C is carbon and wherein x 0 and z
Abstract translation:一种制品,其包括具有SiO x M z C y组成的陶瓷材料的结构,其中Si是硅,O是氧,M是至少一种金属,C是碳,并且其中x <2,y> 0和 z <1,x和z不为零。
Abstract:
A method for manufacturing a component includes providing a metallic first powder having a plurality of first particles with a first mean particle diameter. A second powder added to the first powder has a plurality of second particles with a second mean particle diameter less than the first mean particle diameter. Energy is applied to at least the second powder so as to selectively heat the second particles. The first powder is combined with the heated second powder to form a modified powder including modified powder particles. Modified powder particles have an interior portion containing an interior composition, and an outer surface portion with an outer composition different from the interior composition.
Abstract:
A method of detecting conversion quality includes the steps of providing an article having a green material and a semiconductor material, processing the green material and the semiconductor material to produce a matrix composite, and detecting a matrix composite conversion quality with the semiconductor material.
Abstract:
An article includes a substrate and a coating on the substrate. The coating includes a compound of aluminum, boron and nitrogen in a continuous chemically bonded network having Al—N bonds and B—N bonds. Also disclosed is an article wherein the substrate is a plurality of fibers and the coating is a conformed coating of a compound of aluminum, boron and nitrogen having Al—N bonds and B—N bonds. The fibers are disposed in a matrix. Also disclosed is a method of protecting an article from environmental conditions. The method includes protecting a substrate that is susceptible to environmental chemical degradation using a coating that includes a compound of aluminum, boron and nitrogen having Al—N bonds and B—N bonds.
Abstract:
A method of producing a ceramic matrix composite material component is provided. The method includes that steps of: a) producing a preform (10) having one or more ceramic constituents, the preform (10) being porous with internal voids; and b) applying at least one layer (18) of a first material to the preform (10) using an atomic layer deposition (ALD) process to decrease a porosity of the preform (10).
Abstract:
A process for preparing a coating utilized for thermal and environmental barrier coating (10) on a substrate (12) is disclosed. The process comprises preparing a starter oxycarbide composition; and preloading a metal material in said starter oxycarbide composition.