Hot Corrosion and High Temperature Oxidation of Al2O3 Scale-Forming Alloys

Abstract

This report summarizes research on two related ONR projects. Award number N00014-11-1-0605, supported roughly the first third of our ONR effort, and was mainly devoted to the effect of 5 at percent additions of Cr and/or Pt on the Type II hot corrosion behavior of beta Ni-36Al, an alumina scale-forming alloy, at 700 degrees C. Award number N00014-16-1-2405, a continuation of N00014-11-1-0605, was primarily devoted to the high temperature (1100 degrees C - 1400 degrees C) oxidation of / Ni-20Al-5 Cr bond coat alloys; this latter effort had been started on the -0605 program. The -2405 program focused primarily on the effect of small (0.05 at percent) additions of the so-called Reactive Elements, Y and Hf to the base / Ni20Al-5Cr alloy. The high temperature oxidation of the / alloys will be discussed first.

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Document Details

Document Type
Technical Report
Publication Date
May 25, 2018
Accession Number
AD1059880

Entities

People

  • A. H. Heuer

Organizations

  • Case Western Reserve University

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Band Structures
  • Corrosion Resistance
  • Diffraction
  • Electron Microscopes
  • Electron Microscopy
  • Grain Boundaries
  • Heat Of Activation
  • High Resolution
  • High Temperature
  • Mass Spectrometry
  • Microscopy
  • Oxidation Resistance
  • Polycrystals
  • Resistance
  • Spectra
  • Spectrometry
  • Spectroscopy

Fields of Study

  • Materials science

Readers

  • Nanoscale Plasmonic Nanotechnology
  • Surface Engineering/Surface Coating Technology.