1. Berns, H., and Fischer, A. (1985). Abrasive wear resistance and microsructure of Fe-Cr-C-B hard surfacing weld deposits. Int.Conf. “Wear of Materials” 1985 (Proc. Conf.) Vancouver,B.C. Canada, April 14–18, ASM, 345 East 47 th Street, New York,N.Y. 10017, Pp.625–633
2. Brown, W.F., and Strawly. J.E. (1967). Plane strain crack toughness testing of high strength materials. ASTM-STP No. 410 Pp. 33–36
3. Fundamentals of fracture mechanics;Knott,1973
4. Increased fracture toughness of brittle materials by microcracks in an energy dissipative zone at the crack tip;Pompe;J. Mater. Sci.,1978
5. Die ternaere Phase Fe23C3B3 im Dreistoffsystem Fe-C-B;Stadelmeier;Metall,1963