20240018057. METHOD FOR PRODUCING A CERAMIC MATRIX COMPOSITE PART simplified abstract (SAFRAN CERAMICS)

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METHOD FOR PRODUCING A CERAMIC MATRIX COMPOSITE PART

Organization Name

SAFRAN CERAMICS

Inventor(s)

Marc Singlard of CASTRES (FR)

Gautier Mecuson of MOISSY-CRAMAYEL (FR)

Anne Aimable of LIMOGES (FR)

Cécile Pagnoux of COUZEIX (FR)

Aude Paillassa of BORDEAUX (FR)

METHOD FOR PRODUCING A CERAMIC MATRIX COMPOSITE PART - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240018057 titled 'METHOD FOR PRODUCING A CERAMIC MATRIX COMPOSITE PART

Simplified Explanation

The abstract describes a method for producing a ceramic matrix composite part using core-shell particles and fiber preforms. The core-shell particles consist of a ceramic core and an adhesive shell that completely coats the core. These particles are then sintered in the fiber preform to form a ceramic matrix within its porosity.

  • The method involves forming a fiber preform from fibrous structures, including core-shell particles.
  • The core-shell particles have a ceramic core and an adhesive shell that coats the core.
  • The adhesive shell defines the outer surface of the core-shell particles.
  • The core-shell particles are completely coated with the adhesive, ensuring the core of ceramic material is fully covered.
  • The sintering process of the core-shell particles in the fiber preform results in the formation of a ceramic matrix within the porosity of the preform.

Potential Applications:

  • Aerospace industry: Ceramic matrix composites are lightweight and have high strength, making them suitable for aerospace applications such as aircraft components.
  • Automotive industry: The use of ceramic matrix composites can improve fuel efficiency and reduce emissions in vehicles.
  • Energy sector: Ceramic matrix composites can be used in high-temperature environments, making them suitable for applications in power generation and nuclear industries.

Problems Solved by this Technology:

  • Traditional ceramic matrix composites may have issues with poor interfacial bonding between the fibers and the matrix, leading to reduced mechanical properties. The use of core-shell particles with adhesive shells helps to improve the bonding and enhance the overall performance of the composite.
  • The method allows for the production of ceramic matrix composites with controlled porosity, which can be advantageous for specific applications that require a certain level of permeability or thermal insulation.

Benefits of this Technology:

  • Improved mechanical properties: The use of core-shell particles with adhesive shells enhances the interfacial bonding between the fibers and the matrix, resulting in improved mechanical properties such as strength and toughness.
  • Controlled porosity: The ability to control the porosity of the ceramic matrix composite allows for customization of the material's properties, making it suitable for a wide range of applications.
  • Lightweight: Ceramic matrix composites are known for their lightweight nature, which can contribute to weight reduction in various industries, leading to improved fuel efficiency and performance.


Original Abstract Submitted

a method for producing a ceramic matrix composite part, includes forming a fiber preform from a plurality of fibrous structures including core-shell particles, the core-shell particles including a core portion formed by a core of ceramic material and a shell formed by an adhesive layer, the adhesive defining an outer surface of the core-shell particles and completely coating the core of ceramic material, and sintering the core-shell particles in the fiber preform obtained in order to form the ceramic matrix in the porosity thereof.

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