Solid-State Phase Equilibria in the ZnS-Ga2S3 System

Abstract

ZnS is commercially used as an infrared transmitting material because of its good optical transmission up to 12 microns and adequate mechanical strength. However, ceramics with improved fracture toughness, thermal-shock resistance and erosion resistance are absolutely essential for certain IR-window applications. There are several possible approaches to the engineering of ceramics with this combination of improved mechanical properties while retaining infrared transmittance comparable to that of ZnS. Our approach is to explore the possibilities of strengthening and toughening ZnS by the addition of dispersions of particles of a second-phase, with the dispersoids introduced into the microstructure by the appropriate heat-treatment of densified samples. (JES)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1989
Accession Number
ADA213944

Entities

People

  • Alan J. Ardell
  • Bruce Dunn
  • Jimin M. Zhang
  • William W. Chen

Organizations

  • University of California, Los Angeles

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Crystal Structure
  • Diagrams
  • Diffraction
  • Dispersion Hardening
  • Engineering
  • Equations
  • Heat Treatment
  • Materials
  • Materials Science
  • Mechanical Properties
  • Phase
  • Phase Diagrams
  • Physical Properties
  • Resistance
  • Solubility
  • X Rays
  • X-Ray Diffraction

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Powder metallurgy of Titanium alloys.
  • Thermal Physics or Thermal Science.