Erosion of Schist due to Solid Particle Impingement

The erosion of schist due to impinging quartz and glass particles is investigated. The experimental set-up used to perform the erosion tests is briefly described. The erosion process is characterized by two failure modes, namely intercrystalline fracture and lateral cracking. The power exponent for...

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Bibliographic Details
Published in:Rock mechanics and rock engineering 2013-07, Vol.46 (4), p.849-857
Main Author: Momber, A. W.
Format: Article
Language:English
Subjects:
Applied sciences
Atoms & subatomic particles
Building failures (cracks, physical changes, etc.)
Buildings. Public works
Civil Engineering
Durability. Pathology. Repairing. Maintenance
Earth and Environmental Science
Earth Sciences
Erosion
Exact sciences and technology
Fracture mechanics
Geophysics/Geodesy
Glass
Heating
Materials
Mathematical models
Natural stones
Original Paper
Plastic deformation
Quartz
Rock
Schist
Soil erosion
Strength of materials (elasticity, plasticity, buckling, etc.)
Structural analysis. Stresses
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Summary:The erosion of schist due to impinging quartz and glass particles is investigated. The experimental set-up used to perform the erosion tests is briefly described. The erosion process is characterized by two failure modes, namely intercrystalline fracture and lateral cracking. The power exponent for particle velocity effects is 2.44. The schist shows the features of plastic deformation, and a model proposed by Ruff and Wiederhorn (Erosion. Academic Press, New York, pp 69–126, 1979 ) can be applied to the erosion process. The formation of glassy microfibers is noted, and it is attributed to localized heating due to the particle impact process.
ISSN:0723-2632
1434-453X
DOI:10.1007/s00603-012-0297-z