Effect of Temperature and Steam Environment on Fatigue Behavior of an Oxide-Oxide Continuous Fiber Ceramic Composite

Abstract

There is an ever-increasing need for materials that maintain high strength and fracture toughness at elevated temperatures and in complex environments. Advanced aerospace applications are motivating the development of composite materials that can meet demanding requirements. This research effort investigates mechanical behavior of an oxide-oxide continuous fiber ceramic composite (CFCC) consisting of a porous alumina matrix reinforced with mullite/alumina Nextel 720 fibers developed specifically for advanced aerospace applications. Tension-tension fatigue behavior of this CFCC was studied at 1200 and 1330 C in laboratory air and 100% steam environments. Fatigue resistance and retained strength properties were determined. Effects of environmental degradation was addressed in detail.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2005
Accession Number
ADA435235

Entities

People

  • Chalene A. Eber

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Ceramic Materials
  • Ceramic Matrix Composites
  • Composite Materials
  • Engineering
  • Environment
  • Failure Mode And Effect Analysis
  • Materials
  • Materials Laboratories
  • Mechanical Properties
  • Mechanical Working
  • Modulus Of Elasticity
  • Resistance
  • Silicon Carbide
  • Tensile Strength
  • Turbine Components
  • Turbines

Fields of Study

  • Materials science

Readers

  • Reinforced Composite Materials
  • Systems Analysis and Design

Technology Areas

  • Space