Wetting Transition of Liquid Tin on the Surfaces of Initially Oxidized Steels

Author:

Aldawoudi K.,Varanasi D.,Baumli P.,Kaptay G.ORCID

Abstract

AbstractExperiments were carried out to investigate the wetting behaviour of liquid tin on two different steel substrates EN1.4301 stainless steel and 42CrMo4 low-alloyed steel. The experiments were carried out in a vacuum furnace at residual pressure (10−8 bar) with the temperature raised till 1233 K (960 °C). The transition of the liquid tin droplet from a non-wetting to a wetting state was achieved on the surface of both steels after the spontaneous oxide removal. The transition temperatures in the Sn/EN1.4301 and Sn/42CrMo4 systems were nearly identical, 1140 K and 1130 K, respectively. SEM images showed the formation of the Fe–Sn intermetallic compounds at the Sn/steel interfaces above the transition temperature. Tin penetration into the grain boundaries of EN1.4301 and 42CrMo4 steels was also observed. Graphical abstract

Funder

EU

University of Miskolc

Publisher

Springer Science and Business Media LLC

Subject

General Arts and Humanities

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