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Abbreviations
- CAI:
-
Cerchar abrasivity index [–]
- CAR:
-
Cerchar abrasion ratio [–]
- d :
-
Wear flat on the stylus tip [mm]
- h :
-
Height reduction on the stylus tip [mm]
- V m :
-
Volume of removed material on the rock surface [mm3]
- V s :
-
Wear volume on the stylus tip [mm3]
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Acknowledgements
Many thanks to Dr. Thomas Fruehwirt, Mr. Gerd Muenzberger and Mrs. Beatrice Tauch from the rock mechanical laboratory at TU Bergakademie Freiberg for support in conducting the experiments. Special thanks to Dr. Patrick Gehre and Dr. Mathias Klinger for providing the useful testing apparatuses.
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Zhang, G., Konietzky, H. Cerchar Abrasion Ratio (CAR) as a New Indicator for Assessing Rock Abrasivity, Rock–Stylus Interaction and Cutting Efficiency. Rock Mech Rock Eng 53, 3363–3371 (2020). https://doi.org/10.1007/s00603-020-02112-4
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DOI: https://doi.org/10.1007/s00603-020-02112-4