Lowe TC (2006) Metals and alloys nanostructured by severe plastic deformation: commercialization pathways. JOM, 58(4):28-32.
 Valiev RZ (1997) Structure and mechanical properties of ultrafine-grained metals. Materials Science and Engineering: A 234:59-66.
 Faraji G, Babaei A, Mosavi Mashhadi M, Abrinia K (2012) Parallel tubular channel angular pressing (PTCAP) as a new severe plastic deformation method for cylindrical tubes. Materials Letters 77:82-85.
 Bhattacharyya A (1984) Metal cutting: theory and practice. Jamini Kanta Sen of Central Book Publishers.
 Morehead M, Huang Y, Hartwig KT (2007) Machinability of ultrafine-grained copper using tungsten carbide and polycrystalline diamond tools. International Journal of Machine Tools and Manufacture 47(2):286-293 .
 Morehead M, Huang Y (2005) Machinability research and workpiece microstructure characterization in turning of ultrafine grained copper. ASME International Mechanical Engineering Congress and Exposition.
 Astakhov VP (2010) Geometry of single-point turning tools and drills: fundamentals and practical applications. Springer-Verlag London.
 Mills B (2012) Machinability of engineering materials. Springer-Verlag London.
 Rajemi M, Mativenga P, Aramcharoen A (2010) Sustainable machining: selection of optimum turning conditions based on minimum energy considerations. Journal of Cleaner Production 18(10-11):1059-1065.
 Tawakoli T, Hadad MJ, Sadeghi MH, Daneshi A, Stöckert S, Rasifard A (2009) An experimental investigation of the effects of workpiece and grinding parameters on minimum quantity lubrication-MQL
grinding. International Journal of Machine Tools & Manufacture 49:924-932.
 Huang Y (2002) Predictive modeling of tool wear rate with application to CBN hard turning. Georgia Institute of Technology.
 Astakhov VP (2004) The assessment of cutting tool wear. International Journal of Machine Tools and Manufacture 44(6):637-647.
 Sivaraman V, Sankaran S, Vijayaraghavan L (2012) The effect of cutting parameters on cutting force during turning multiphase microalloyed steel. Procedia CIRP 4: 157-160.
 Shaw M, Vyas A (1993) Chip formation in the machining of hardened steel. CIRP annals, 42(1):29-33.
 Azushima A, Aoki K (2002) Properties of ultrafine-grained steel by repeated shear deformation of side extrusion process. Materials Science and Engineering: A 337(1-2):45-49.
 Kuyucak S, Sahoo M (1996) A review of the machinability of copper-base alloys. Canadian Metallurgical Quarterly 35(1):1-15.