Study of the surface properties of nickel-based melts by the constrained drop method: I. Surface tension |
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| Authors: | S. N. Ahuchkin V. T. Burtsev M. V. Zagumennikov V. V. Sidorov V. E. Rigin |
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| Affiliation: | 1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia
2. FGUP GNTs All-Russia Scientific Research Institute of Aviation Materials, ul. Radio 17, Moscow, 105005, Russia
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| Abstract: | The constrained drop method is used to study the surface tension σ of the following melts at 1773–1923 K and p Ar = 0.1 MPa: nickel of various grades (with various oxygen contents), binary Ni-Al (Re) alloys, and a complex Ni-Re-(W, Mo, Co) alloy. The value of σ of liquid nickel is shown to decrease with increasing oxygen content in it. The additions of aluminum (6%) and rhenium (3–7%) to nickel in binary alloys weakly change its surface tension. Alloying elements (W, Mo, Co) in Ni-Re-(W, Mo, Co) alloys insignificantly affect σ of their melts. |
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