Plasticity in High Strength Beta Titanium Alloys
Abstract
A detailed analysis is proposed for plasticity of high strength titanium alloys alloys as influenced by the scale and distribution of intragranular ?. Microstructure will be characterized based on completely quantitative analysis of ? dimensions, the statistics of variant distribution as a function of heat treatment employing EBSD analysis, and the development of a large data set of ? stereology and variant distribution across several ? grains for analysis for reduced order representations of microstructure (including microtexture).through principle component analysis. Transmission electron microscopy willbe used to examine the dependence of slip transfer across ? from the ?phase as dependent on the crystallography of ? variants within a ? matrix.The information derived from these studies will be used to examine therelationship between microstructural length scales, variant distributionstatistics and slip length. Then it will be examined whether slip length can beused as a simple predictor of yield. In addition, a more rigorous analysis maybe attempted using crystal plasticity techniques.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Sep 11, 2017
- Source ID
- FA23861714079
Entities
People
- Dipankar Banerjee
Organizations
- Air Force Office of Scientific Research
- Indian Institute of Science, Bengaluru
- United States Air Force