Fracture-toughness processes. Progress report, February 1981-October 1981
Technical Report
·
OSTI ID:5557539
Thermodynamic methods have been used to related material quantities to the crack driving force for material that is fracture toughened by a martensitic transformation. The material quantities are typically the coefficient of thermal expansion and the enthalpy for the martensitic phase transformation. A continuous dislocation distribution, with a dislocation free zone, at the tip of shielded Griffith crack was solved. Experimental comparison with the solution suggests that dislocation nucleation at the crack tip is important.
- Research Organization:
- Rochester Univ., NY (USA)
- DOE Contract Number:
- AC02-81ER10856
- OSTI ID:
- 5557539
- Report Number(s):
- DOE/ER/10856-03; ON: DE82008096
- Country of Publication:
- United States
- Language:
- English
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