Optimisation of Mechanical Properties of 18%Ni350 Grade Maraging Steel Using Novel Heat Treatment

• Autorzy: Marcisz J. , Adamczyk M. , Garbarz B.

Identyfikatory

DOI

10.1515/amm-2017-0010

• Języki publikacji: EN

Abstrakty

EN

The paper presents results of examinations of properties and microstructure of maraging steel grade MS350 (18Ni350) produced by a novel heat treatment method called „short-time ageing“. It has been found that maraging steel after application of the short-time ageing achieves unique properties, in particular good combination of strength and impact toughness. After short-time ageing for time of heating up to 600 seconds at temperature of 550°C hardness in the range from 48 to 56 HRC, tensile strength ranging from 2000 to 2250 MPa, yield strength from 1930 to 2170 MPa and total elongation in the range 7-8% as well as notch impact toughness of 20 J/cm² at temperature minus 40°C were obtained. Results of microstructure examination in transmission electron microscope (TEM) with application of high resolution technique (HRTEM) have shown presence of Ni₃Mo nano-precipitates of orthorhombic crystallographic structure. Precipitates were characterized by rod-like shape and were homogenously distributed in martensitic matrix of steel with high density of dislocations. The average size of cross-section of precipitates was ca. 4 nm while length reached several dozen of nm.

Słowa kluczowe

EN

maraging steel; short-time ageing; mechanical properties; microstructure; HRTEM

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 1
• Strony: 73--84
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Marcisz J.

• Instytut Metalurgii Żelaza im. Stanisława Staszica, 12-14 Karola Miarki Str., 44-100 Gliwice, Poland

autor

Adamczyk M.

• Instytut Metalurgii Żelaza im. Stanisława Staszica, 12-14 Karola Miarki Str., 44-100 Gliwice, Poland

autor

Garbarz B.

• Instytut Metalurgii Żelaza im. Stanisława Staszica, 12-14 Karola Miarki Str., 44-100 Gliwice, Poland

Bibliografia

• [1] J. Marcisz, W. Burian, M. Adamczyk, Prace Instytutu Metalurgii Żelaza (Transactions of the Instytut Metalurgii Żelaza), 65, no. 2, 2-7, (2013).
• [2] J. Marcisz, B. Garbarz, W. Burian, J. Stępień, L. Starczewski, 1834, 27th International Symposium on Ballistics, Freiburg, Germany, (2013).
• [3] S. Floreen, Transactions of the ASM. 57, 38 (1964).
• [4] G. R. Speich, Transactions of the metallurgical society of AIME 227, 1426 (1963).
• [5] A. Magnee, P. Viatour, J.M. Drapier, D. Coutsouradis, L. Habraken, Cobalt 1, 3 (1973).
• [6] A.J. Baker, P.R. Swann, Transactions of the ASM 57, 1008 (1964).
• [7] S. Saito, P.A. Beck, Transactions of the metallurgical society of AIME 215, 938 (1959).
• [8] K. Soeno, T. Kuroda, Transactions ISIJ 10, 369 (1970).
• [9] D.T. Peters, Transactions of the metallurgical society of AIME 239, 1981 (1967).
• [10] U.K. Viswanathan, G.K. Dey, M.K. Asundi, Metallurgical Transactions A 24A, 2429 (1993).
• [11] B. Garbarz, Zmiany struktury zachodzące podczas starzenia martenzytycznej stali N18K9M5T (Structural changes during ageing of N18K9M5T martensitic steel). Ph.D. thesis, AGH University of Technology, Kraków, (1978).
• [12] R. Tewari, S. Mazumder, I.S. Batra, G.K. Dey, S. Banerjee, Acta Materialia 48, 1187 (2000).
• [13] Z. Guo, W. Sha, D. Li, Materials Science and Engineering A 373 10 (2004).
• [14] J.M. Pardal, S.S.M. Tavares, V.F. Terra, M.R. Da Silva, D.R. Dos Santos, Journal of Alloys and Compounds 393, 109 (2005).
• [15] W. Sha, Scripta Materialia,42, 549 (2000).
• [16] X. Li, Z. Yin, Materials Letters 24, 235 (1995).
• [17] K.V. Rajkumara, S. Vaidyanathana, A. Kumara, T. Jayakumara, B. Raja, K.K. Ray, Journal of Magnetism and Magnetic Materials 312, 359 (2007).
• [18] E.V. Pereloma, A. Shekhter, M.K. Miller, S.P. Ringer, Acta Materialia 52, 5589 (2004).
• [19] A. Shekhter, H.I. Aaronson, M.K. Miller, S.P. Ringer, E.V. Pereloma, Metallurgical and Materials Transactions A 35A, 97, (2004).
• [20] J. Marcisz, B. Garbarz, J. Stępień, M. Adamczyk. Sposób krótkotrwałej obróbki cieplnej stali umacnianej wydzieleniowo (Method of short-time heat treatment of precipitation hardened steel). Zgłoszenie patentowe nr. P.401621. 2012 - patent application.
• [21] K. Shimazu, H. Okamoto, Trans. JIM 12, 273 (1971).

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).