Abstract
This paper reports on an investigation based on sharp-crack and blunt-notch toughness and microstructural measurements whereby toughness values are predicted from measuring the microstructural feature that dominates toughness. Three engineering alloys are investigated: pearlitic ductile iron, rail steel, and Zircodyne 7 (Zr-Nb). Examples of toughness prediction in engineering applications are presented in terms of specific microstructural measurements and phases dominating toughness and in terms of selecting and specifying alloys to meet service conditions.
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References
P.F. Timmins, “The Influence of Heat Treatment on the Fracture Toughness of Zr-2.5 wt% NB,” invited paper, Eighth European Conference on Fracture (Turin, Italy), Oct 1990
R.O. Ritchie, J.F. Knott, and J.R. Rice,J, Mech. Phys. Solids, Vol 21,1973, p 395
P. Bowen, S.G. Druce, and J.F. Knott,Acta Metall, Vol 35,1987, p l735
S.R. Holdsworth and G. Jolley,Source Book on Ductile Iron, American Society for Metals, 1977, p 305
D. Firrao, private communication, March 1989
D. Northwood and D. Lim,Can. Metall. Quart., Vol 18,1979,p 441
P.F. Timmins, “Executive Summary of the Clean Steel Program,” CN Rail Technical Research Center, June 1987
J.M. Svoboda, Research Report 94A, Steel Founder’s Society of America, Oct 1982
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Timmins, P. The prediction of fracture toughness from specific microstructural measurements in engineering alloys. JMEP 5, 632–636 (1996). https://doi.org/10.1007/BF02646093
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DOI: https://doi.org/10.1007/BF02646093