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The paper discusses the effect of the casting wall thickness on the segregation of alloying elements in two-phase (F-A) 22Cr-6Ni-2Mo-1,5Cu cast steel. The values of the distribution coefficient k0 for Cr, Mo, Si, and Ni, Mn, Cu in the cast stepped test piece walls of three different thicknesses were determined. After solutioning, the values of Rm, R0,2, A5 and Z were measured in the wall of 45 mm thickness and were compared with the results obtained for austenitic cast steel of 18Cr-9Ni grade. In the examined cast steel also the content of [delta] ferrite and the value of PRE_N were determined.
Czasopismo
Rocznik
Tom
Strony
61--64
Opis fizyczny
Bibliogr. 9 poz., rys., tab.
Twórcy
autor
- AGH, Faculty of Foundry Engineering, Department of Cast Alloys and Composites Engineering, Reymonta St. 23, 30-059 Cracow, Poland, bk@agh.edu.pl
Bibliografia
- [1] R.N. Gunn, Duplex Stainless Steels. Abington Publ. Cambrigde, England 1999.
- [2] J. O. Nilsson, Mat. Sc. A. Techn., vol.8, (1992), nr 8, 685.
- [3] K. Lorenz, G. Medawar, Thyssen Forschung, (1969), t. 1, nr 3, 97.
- [4] Uhlig's Corrosion Handbook, Second Edited by R. Winston Revie, (2000).
- [5] M. Pohl, O. Storz, Sigma - phase in duplex - stainless steels, Z/ Metallkunde, vol 95, No. 7, (2004), 631-638.
- [6] J. Banaś, J. Głownia, B. Kalandyk, B.Stypuła, Corrosion and passivity behaviour of duplex stainless steels with high nitrogen content: KSCS 2000 3rd Schwabe Corrosion Symposium "Novel Materials and Methods for Improvement of Corrosion Resistance, Zakopane 2000, 235-240.
- [7] A.J. Sedriks, Corrosion of stainless steels, J.A Wiley& Sons Canada, 1996.
- [8] Z. Stradomski, M.S. Soiński, J. Stradomska, D. Dyja, Significance of the σ phase for the erosive wear process of the duplex cast steel, Archives of Foundry Engineering Vol. 8, No. 2 (2008) 231-235.
- [9] Z. Stradomski, S. Stachura, D. Dyja, Ferritic - austenitic cast steel - perspective and problems, Hutnik - Wiadomości Hutnicze, (2006), nr 6, 275-279 (in Polish).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ3-0046-0012