Microstructure and Mechanical Characteristics of the Ternary SnZnAl Lead-Free Alloy

• Autorzy: Pietrzak K. , Klasik A. , Maj M. , Sobczak N.

Identyfikatory

DOI

10.24425/123597

• Języki publikacji: EN

Abstrakty

EN

The paper describes the studies of ternary SnZn9Al1.5 lead-free alloy from the viewpoint of its mechanical behavior as well as microstructure examined by the light and scanning electron microscopy. The authors focused their attention specifically on the fatigue parameters determined by the original modified low-cycle fatigue method (MLCF), which in a quick and economically justified way allows determination of a number of mechanical parameters based on the measurement data coming from one test sample only. The effect of the addition of 1.5% Al to the binary eutectic SnZn9 alloy on its microstructure and the obtained level of mechanical parameters was analyzed. The phases and intermetallic compounds occurring in the alloy were identified based on the chemical analysis carried out in micro-areas by the SEM/EDS technique. It was shown that the addition of 1.5% Al to the binary eutectic SnZn9 alloy resulted in a more favorable microstructure and consequently had a positive effect on the mechanical parameters of the alloy. Based on the conducted research, it was recommended to use a combinatorial method based on the phase quanta theory to quickly evaluate the microstructure and the original MLCF method to determine a number of mechanical parameters.

Słowa kluczowe

EN

lead free alloy; microstructure; mechanical properties; scanning electron microscopy

PL

stop bezołowiowy; mikrostruktura; właściwości mechaniczne; mikroskop skaningowy

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2018
• Tom: Vol. 18, iss. 3
• Strony: 31--36
• Opis fizyczny: Bibliogr. 12 poz., rys., tab., wykr.

Twórcy

autor

Pietrzak K.

• Institute of Precision Mechanics, Warsaw, Poland

autor

Klasik A.

• Motor Transport Institute, Warsaw, Poland

autor

Maj M.

• AGH University of Science and Technology, Faculty of Foundry Engineering, Cracow, Poland

autor

Sobczak N.

• Foundry Research Institute, Cracow, Poland

Bibliografia

• [1] Schmetterer, C., Ipser, H., Pearce, J. (2008). Lead-Free Solders: Handbook of Properties of SAC Solders and Joints. ELFNET COST 531+Lead-Free solders vol. 2. ISBN: 978-80-86292-27-4.
• [2] Kroupa, A. (2012). Handbook of High-Temperature Lead-Free Solders. Volume 3: Group Project Reports. COST MP0602. ISBN: 978-80-905363-3-3.
• [3] Kitajima, M. & Shono, T. (2005). Development of Sn-Zn-Al lead-free solder alloys. Fujitsu Scientific & Technical Journal. 41(2), 225-235.
• [4] Lin, K-L. & Hsu, H-M. (2001). Sn-Zn-Al Pb-free solder- An inherent barrier solder for Cu contact. Journal of Electronic Materials. 30, 1068-1072.
• [5] Sidorov, V., Drápala, J., Uporov, S., Sabirzyanov, A., Popel, P., Kurochkin, A. & Grushevskij, K. (2011). Some physical properties of Al–Sn–Zn melts. EPJ Web of Conferences. 15, 01022. DOI: 10.1051/epjconf/20111501022.
• [6] Drápala, J., Kostiuková, G. & Losertova, M. (2017). Contribution to the aluminum–tin–zinc ternary system. IOP Conference Series: Materials Science and Engineering. 266, 012002. DOI:10.1088/1757-899X/266/1/012002.
• [7] Pietrzak, K., Klasik, A., Maj, M., Wojciechowski, A. & Sobczak, N. (2017). Microstructural aspects of fatigue parameters of lead-free Sn-Zn solders with various Zn content. Archives of Foundry Engineering. 17(3), 131-136.
• [8] Pietrzak, K., Klasik, A., Maj, M. & Sobczak, N., Wojciechowski A. (2017). Comparative studies on microstructure and fatigue life of selected lead-free alloys. Archives of Foundry Engineering. 17(3), 111-116.
• [9] Kęsy, B.K. (1990). Microstructure as arrangement of unitary phase parts and stereological parameters. Proceedings of 3rd Int. Conference on Stereology In Materials Science, Szczyrk, 226 -231.
• [10] Maj, M., Klasik, A., Pietrzak, K. & Rudnik, D. (2015). Modified low-cycle fatigue (LCF) test. Metalurgija = Metallurgy. 54(1), 207-210. ISSN 0543-5846.
• [11] Kocańda, St., Kocańda, A. (1989). Low-cycle fatigue strength of metals. Warsaw: PWN.
• [12] Mroziński, S. & Szala, J. (2011). Problem of cyclic hardening or softening in materials under programmed loading. Acta Mechanica et Automatica. 5(3), 99-106.

Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).