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Searching for Better Properties of ADI

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The results of study of austempered ductile iron using different methods of austempering are presented. Except changing time, temperature of austenitizing and isothermal quenching, direct quenching, two-step quenching followed solution heat treatment (austenitizing) was proposed. The goal of this paper is to discuss the results obtained for ductile cast iron subjected two step austempering. Ultimate tensile strength, elongation, hardness, and fracture toughness, thermal stability were compared. Two-step quenching method of hardening seems to be promising.
Rocznik
Strony
91--96
Opis fizyczny
Bibliogr. 28 poz., rys., wykr.
Twórcy
autor
  • Institute of Technology, Faculty of Production Engineering, Warsaw University of Technology, ul. Narbutta 85, 02-524 Warszawa, Poland
Bibliografia
  • [1] Janowiak, J. F. & Gundlach R .B. (1983). Development of Ductile Iron for Commercial Austempering. AFS Transactions. 86, 377.
  • [2] Röhrig, K. (1983). Zwischenstufenvergütetes Gusseisen mit Kugelgraphit. Giesserei-Praxis. 1/2, 1-13.
  • [3] Gundalach, R. B. & Janowak J. F. (1983). Development of a ductile iron for commercial austempering. AFS Trans. 94, 377-388.
  • [4] Harding, R. A. & Gilbert, G. N. J. (1986). Why the properties of ductile irons should interest engineers. Br Foundryman. 79, 489-496.
  • [5] Johansson, M. (1977). Austenitic bainitic ductile iron. AFS Trans. 85, 117-122.
  • [6] Putatunda, S. K. & Bartosiewicz, L., Alberts, F. A. & Singh, I. (1993). Influence of microstructure on high cycle fatigue behavior of austempered ductile cast iron. Mater Charact. 30, 221-234.
  • [7] Shanmugam, P., Rao, P. P., Udupa, K. R. & Venkataraman, N. (1994). Effect of microstructure on the fatigue strength of an austempered ductile iron. J Mater Sci. 29, 4933-4940.
  • [8] Bartosiewicz, L., Duraiswamy, S., Sengupta, A., Putatunda, S. K. (1991). Near-threshold fatigue crack growth behavior of austempered ductile cast iron. Morris Fine Symposium. Detroit: TMS, 135-138.
  • [9] Bartosiewicz, L., Krause, A. R., Duraiswamy, S., Sengupta, A., Putatunda, S. K. (1990). Relationship between fatigue threshold and fatigue strength in austempered ductile cast iron. International Symposium for Testing and Failure Analysis, vol. 16.ISTFA, ASM, (pp. 323-336).
  • [10] Rao PP, Putatunda SK. Influence of microstructure on fracture toughness of austempered ductile cast iron. Metal Mater Trans A 1997; 28:1457–1470.
  • [11] Putatunda SK, Singh I. Fracture toughness of unalloyed austempered ductile cast iron. J Test Eval 1995; 23(5):325–332.
  • [12] Rao, P. P. & Putatunda, S. K. (1998). Dependence of fracture toughness of austempered ductile cast iron on austempering temperature. Metal Mater Trans. A(29), 3005-3016.
  • [13] Doong, J. L. & Chen, C. (1989). Fracture toughness of bainitic-nodular cast iron. Fatigue Fract Eng Mater Struct. 12, 155-165.
  • [14] Dorazil, E., Holzman, M. (1991). Fracture behavior of austempered ductile iron. Proceedings of the World Conference on Austempered Ductile Iron, Bloomingdale, IL, March 1991, (pp. 32-66).
  • [15] Schmidt, I. & Schuchert, A. (1987). Unlubricated wear of austempered ductile cast iron. Z Metall. 78, 871-875.
  • [16] The Solrelmetal Book of Ductile Iron, RIO TINTO&Titanium INC., Montreal (Quebec) Canada, 2004.
  • [17] Kaczorowski, M., Kozubowski, J. A. (1996). The structure and properties of austempered ductile iron (ADI). Proc. IX Conference on Electron Microscopy of Solid, (pp. 499). 6–9 May 1996, Kraków-Zakopane, Poland.
  • [18] Kaczorowski, M. & Myszka, D. (2003). Badania strukturalne żeliwa ADI w transmisyjnym mikroskopie elektronowym. Archiwum Odlewnictwa. 3(4), 266.
  • [19] Kaczorowski, M. & Krzyńska, A. (2007). Mechanical properties and structure of austempered ductile iron – ADI. Archiwum Odlewnictwa. 7(1), 161.
  • [20] Kaczorowski, M., Krzyńska, A.: The mystery of ADI; Archiwum Odlewnictwa PAN, vol.7, Nr 4 (2007) s. 111.
  • [21] Krzyńska, A. & Kaczorowski, M. (2008). The studies of nodular graphite cast iron early stages austemperin., Archives of Foundry Engineering. 8(4), 87.
  • [22] Putatunda, S. K. (2001). Development of austempered ductile cast iron (ADI) with simultaneous high yield strength and fracture toughness by a novel two-step austempering process. Materials Science and Engineering. A315, 70-80.
  • [23] Yang, J. & Putatunda, S. K. (2004). Improvement in strength and toughness of austempered ductile cast iron by a novel two-step austempering process. Materials and Design. 25, 219-230.
  • [24] Kaczorowski, M. & Krzyńska, A. (2005). Badania żeliwa sferoidalnego po dwustopniowym hartowaniu izotermicznym – cz. I. Archiwum Odlewnictwa. 5(17), 123.
  • [25] Kaczorowski, M. & Krzyńska, A. (2005). Badania żeliwa sferoidalnego po dwustopniowym hartowaniu izotermicznym – cz. II. Archiwum Odlewnictwa. 5(17), 131.
  • [26] Kaczorowski, M., Myszka, D., Pytel, A., Kowalski, A., Tybulczuk, J. (2002). The structural investigations on direct austempering of the ductile iron. Proc Int. Conf. Science and Processing of Cast Iron SPCI7’, Hiszpania.
  • [27] Kaczorowski, M. & Myszka, D. (2005). On the differences between mechanical properties and structure of ductile iron castings austempered using conventional and direct method. Int. Journal for Manufacturing Science & Technology. 7(1), 33.
  • [28] Krzyńska, A. & Kaczorowski, M. (2010). The changes of ADI structure during high temperature annealing. Archives of Foundry Engineering. 10(spec. 1), 87-92.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-903e3618-1632-4ea9-97c4-0e6f0563818f
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