Polytherms of the Wetting Angles of Pb-Ni (0.3 at %) Melt on Nickel Substrates

被引：0

作者：

Elekoeva K.M. ^{[1
]}

Korotkov P.K. ^{[1
,2
]}

Kutuev R.A. ^{[3
]}

Manukyants A.R. ^{[2
]}

Ponegev M.K. ^{[1
]}

Sozaev V.A. ^{[1
,2
]}

Shermetov A.K. ^{[2
]}

机构：

[1] North-Caucasian Mining and Metallurgical Institute (State Technological University), Vladikavkaz

[2] Berbekov Kabardino-Balkarian State University, Nalchik

[3] Chechen State University, Grozny

来源：

Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques | 2017年 / 11卷 / 6期

关键词：

intermetallides; nickel substrates; Pb-Ni melts; polytherms of wetting angles;

D O I：

10.1134/S1027451017060064

中图分类号：

学科分类号：

摘要：

Polytherms of the wetting angle of Pb-Ni (0.3 at %) melt on pressed nickel substrates and substrates cut from a plate of nickel of grade NP-2 are studied in the temperature range from the melting point to 850°C by the sessile drop method in a vacuum chamber with a residual pressure of 10-2 Pa. The wettability thresholds are found. The wetting of both pressed substrates and NP-2 nickel begins at a temperature of 500°C or higher. After crystallization, the morphology of the droplet surface and the zones near it is studied using scanning electron microscopy. PbnNim intermetallides of pyramidal form are detected, and zones where the melt spreads along the grain boundaries followed by the crystallization and formation of fibrous structures are found. © 2017, Pleiades Publishing, Ltd.

引用

页码：1173 / 1176

页数：3

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