A Study of Adherent Oxide Formation

Abstract

The effects by which minor element additives (yttrium and hafnium) and laser surface melting and rapid solidification (laser-processing) improve oxide scale adherence to NiCrAl were investigated. Laser-processed materials were isothermally and cyclically oxidized and oxide scale structure and adherence were examined. Laser-processing promoted thin, dense oxide formation in yttrium doped samples. Results are discussed in terms of effects for improved oxide scale adherence.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1983
Accession Number
ADA139505

Entities

People

  • A. W. Funkenbusch
  • J. G. Smeggil

Organizations

  • United Technologies Corporation

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Aluminum Oxides
  • Chemical Synthesis
  • Chemistry
  • Crystal Structure
  • Electron Microscopy
  • Films
  • Materials
  • Microscopy
  • Oxidation
  • Oxide Films
  • Oxides
  • Scanning Electron Microscopy
  • Solid Solutions
  • Spectra
  • Spectroscopy
  • Surface Chemistry
  • Surface Properties

Fields of Study

  • Materials science

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Powder metallurgy of Titanium alloys.
  • Surface Engineering/Surface Coating Technology.

Technology Areas

  • Directed Energy
  • Directed Energy - Pulsed-Laser Deposition