Evaluation of Crack Growth in Advanced P/M Alloys.
Final rept. 1 Sep 77-30 Jun 79,
PRATT AND WHITNEY AIRCRAFT GROUP WEST PALM BEACH FL GOVERNMENT PRODUCTS DIV
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This program evaluates the crack growth characteristics of the advanced PM alloy AF2-1DA. An interpolative model, developed in an earlier program, is used to describe crack growth properties at various conditions. Results are presented, including applicability of linear elastic mechanics LEFM and the effects of frequency, stress ratio, and temperature on crack propagation rates. Author
- Metallurgy and Metallography