Energy efficiency in rock cutting

Materials Research Innovations

Volumn 15, Issue SUPPL. 1, 2011, Pages

  Mostafavi, S S ^a   Bao, R H ^a   Zhang, L C ^a   Lunn, J ^b   Melmeth, C ^b  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

^b NONE   (Australia)

Author keywords

Cavity model; Energy efficiency; Indentation; Rock cutting pick

Indexed keywords

ANALYTICAL MODEL; APEX ANGLES; CAVITY MODEL; CUTTING CONDITIONS; CUTTING TIP; ELASTIC STRAIN ENERGY; OPTIMAL GEOMETRY; ROCK CUTTING; ROCK CUTTING PICK; TIP GEOMETRY; TOTAL ENERGY; TOTAL ENERGY CONSUMPTION;

ENERGY UTILIZATION; MATHEMATICAL MODELS; STRAIN ENERGY;

ENERGY EFFICIENCY;

EID: 79953112983     PISSN: 14328917     EISSN: None     Source Type: Journal    
DOI: 10.1179/143307511X12858958235559     Document Type: Conference Paper

References (12)

1. R. M. Goktan: 'A theoretical comparison of the performance of drag picks in relation to coal-strength parameters', J. S. Afr. Inst. Min. Metall., 1992, 92, (4), 85-87.
2. O. Z. Hekimoglu: 'Investigation into performance of point-attack and radial-type rock and coal-cutting picks', Trans. Inst. Min. Metall. Sect. A, 1998, 107A, 55-59.
3. K. G. Hurt and K. M. MacAndrew: 'Life of rock cutting picks', Min. Sci. Technol., 1985, 2, 139-151.
4. M. Swain and B. R. Lawn: 'Indentation fracture in brittle rocks and glasses', Int. J. Rock Mech. Min. Sci. Geomech. Abstr., 1976, 13, 311-319.
5. L. Mishnaevsky: 'Physical mechanics of hard rock fragmentation under mechanical loading: a review', Int. J. Rock. Mech. Min. Sci. Geomech. Abstr., 1995, 32, (8), 763-766.
6. P. A. Linqvist: 'Fragmentation by indentation and disk cutting', PhD thesis, University of Luleå , Luleå , Sweden, 1982.
7. R. H. Bao, L. C. Zhang, Q. Y. Yao and J. Lunn: 'A mechanics model for estimating the rock cutting forces using point-attack bits', Rock Mech. Rock Eng., submitted.
8. S. S. Mostafavi, L. C. Zhang and J. Lunn: 'Chipping brittle materials: a finite element analysis', Key Eng. Mater., 2010, 443, 443-438.
9. B. R. Lawn and D. B. Marshall: 'Elastic/plastic indentation damage in ceramics: the median/radial crack system', J. Am. Ceram. Soc., 1980, 63, 9-10.
10. H. Alehossein, E. Detournay and H. Huang: 'An analytical model for the indentation of rocks by blunt tools', Rock Mech. Rock Eng., 2000, 33, (4), 267-284. (Pubitemid 32068018)
11. R. Hill: 'The mathematical theory of plasticity'; 1998, Oxford, Oxford University Press.
12. K. Johnson: 'The correlation of indentation experiments', J. Mech. Phys. Solids, 1970, 18, (2), 115-126.