The Potential for a Novel Transformation-Toughened Composite

Abstract

Research was conducted to examine the possibility to design a novel transformation-toughened composite utilizing a phase transformation in beta-eucryptite. Specimens comprising zirconium oxide as the matrix and beta-eucryptite as the particulate phase were made with varying amounts of eucryptite particle size. Indentation fracture experiments were conducted and four-point bend notch bars were fabricated. The indentation experiments showed significant crack deflection, suggesting that toughening may occur. However, quantitative results (from the four-point bend bars) have not yet been achieved.

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Document Details

Document Type
Technical Report
Publication Date
Jul 24, 2007
Accession Number
ADA482589

Entities

People

  • Ivar E. Reimanis

Organizations

  • Colorado School of Mines

Tags

Communities of Interest

  • Human Systems

DTIC Thesaurus Topics

  • Abstracts
  • Agreements
  • Ceramic Matrix Composites
  • Colorado
  • Composite Materials
  • Department Of Defense
  • Engineering
  • Eucryptite
  • Governments
  • Materials
  • Materials Science
  • Mathematics
  • Mechanical Properties
  • Particle Size
  • Particles
  • Thermal Expansion
  • Toughness

Readers

  • Materials Science (Mechanical Engineering).
  • Reinforced Composite Materials