[A microstructural approach to fatigue crack processes in poly crystalline BCC materials]. Progress report
Objective was to study fatigue where a combination of low temperature and cyclic loading produced cyclic cleavage in bcc Fe-base systems. Both dislocation dynamics and quasi-statics of crack growth were probed. This document reviews progress over the past 6 years: hydrogen embrittlement and cleavage, computations (stress near crack tip), dislocation emission from grain boundaries, fracture process zones, and understanding brittle fracture at the atomistic/dislocation scales and at the microscopic/macroscopic scale.
- Research Organization:
- Minnesota Univ., Minneapolis, MN (United States). Dept. of Chemical Engineering and Materials Science
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-84ER45141
- OSTI ID:
- 10164544
- Report Number(s):
- DOE/ER/45141-9; ON: DE93016666
- Resource Relation:
- Other Information: PBD: [1992]
- Country of Publication:
- United States
- Language:
- English
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