Exploratory Development to study Graphite Vaporization Kinetics and Thermodynamics using the Modulated Beam Mass Spectrometer

Abstract

Progress is reported in a program of mass spectrometric studies of graphite vaporization kinetics. Emphasis has been placed on measurement of reflection coefficients for the three major constituents of carbon vapor impinging on a heated graphite surface. Use of modulation techniques has been employed to detect a reflected beam interacting with the graphite surface to T(s) < or = 2600K. Development of a vapor source for an isotopically enriched carbon beam using graphite powder is described.

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Document Details

Document Type
Technical Report
Publication Date
Jul 31, 1971
Accession Number
AD0744493

Entities

People

  • Frederick N. Bourgelas
  • Warren C. Steele

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Air Force
  • Classification
  • Coefficients
  • Graphitic Materials
  • High Temperature
  • Kinetics
  • Mass Spectra
  • Mass Spectrometers
  • Materials
  • Measurement
  • Modulation
  • Reflection
  • Security
  • Spectrometers
  • Surface Temperature
  • Vaporization
  • Vapors

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Molecular Photonics/Laser Physics
  • Radar Systems Engineering.