DISPERSED PARTICLE BEHAVIOR IN TD-NICKEL ALLOY.
Abstract
The progress report describes substructural studies of nickel strengthened with two volume percent thorium oxide (TD-Nickel). Attention is directed to the value of electron transmission techniques for quantitative study of particle size, size distributions and volume fraction. Electron microscope dark field studies show that individual dispersed particles are single crystals. It is found that agglomeration increases with successive cycles of cold work, recovery and recrystallization, and the dispersion also begins to coarsen after long anneal periods at 1400C. Both these processes can lead to degradation of the mechanical properties. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1967
- Accession Number
- AD0660135
Entities
People
- M. C. Inman
Organizations
- Pennsylvania State University