Structure and Corrosion Resistance of Ti-Nb Layers Obtained by Non-Vacuum Electron-Beam Cladding on CP Titanium Substrates.

Autor: Polyakov, Igor A., Krivezhenko, Dina S., Samoylenko, Vitaliy V., Lenivtseva, Olga G., Ivanchik, Ilya S., Chuchkova, Lubov V.
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Zdroj: AIP Conference Proceedings; 2016, Vol. 1785 Issue 1, p1-4, 4p, 1 Color Photograph, 2 Graphs
Abstrakt: Structural investigations and estimation of the properties of Ti-Nb layers fabricated by non-vacuum electronbeam cladding on the surfaces of cp-titanium substrates are carried out. It is found that the structure of the clad layers has mainly a dendritic morphology. At high magnification, the structure is characterized by a lamellar morphology. Defects, such as cracks, pores and undissolved niobium particles, are not observed. The microhardness of the alloyed surface layers is 3.5 GPa, the titanium substrate microhardness is 1.3 GPa. Electron-beam cladding of Ti-Nb layers contributes to a 35 times increase in corrosion resistance in a boiling nitric acid solution. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index