Investigation of wetting of alkrline metal fluorides (LiF, NaF) metal melts

  

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Krzhizhanovsky str., 3, Kyiv, 03142, Ukraine
Adhesion of Melts and Brazing of Materials - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2012, #45
http://www.materials.kiev.ua/article/795

Abstract

Wetting of monocrystals alkaline metals fluorides LiF, NaF by melts of pure metals Ga, In, Sn, Pb, Al in an interval of temperatures 473––973 K in vacuum is investigated by a sessile drop method. It is determined, that the given crystals are not wetted with researched pure metals. Values of adhesion work on a basis, experimentally received contact angles are designed. They make tens-hundreds in mJ/m2 that is typical of systems with physical type of interaction. It proves to be true also a theoretical assessment of adhesion works for the investigated contact pairs.


CONTACT INTERACTION, MONOCRYSTAL OF ALKALINE METAL FLUORIDES, WETTABILITY, WORK OF ADHESION