Procedure for estimating fracture energy from fracture surface roughness
Patent
·
OSTI ID:867087
- Kennewick, WA
The fracture energy of a material is determined by first measuring the length of a profile of a section through a fractured surface of the material taken on a plane perpendicular to the mean plane of that surface, then determining the fractal dimensionality of the surface. From this, the yield strength of the material, and the Young's Modulus of that material, the fracture energy is calculated.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- DOE Contract Number:
- F49620-87-C-0031
- Assignee:
- Battelle Memorial Institute (Richland, WA)
- Patent Number(s):
- US 4860589
- OSTI ID:
- 867087
- Country of Publication:
- United States
- Language:
- English
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