Affiliation:
1. Samara State Aerospace University (National Research University)
Abstract
The possibilities of forming submicroporous and nanoporous structures in metallic materials by laser thermocycling as eutecticis reached were determined. With the implementation of the selected modes of laser treatment on L62 brass samples with a thickness of 50 µm leads to the formation of wrinkled relief, which indicates an increment of alloy volume in this area, that is, a porosity increment in the metallic material. Submicroporous and nanoporous structures are formed in the copper-zinc L62 alloy sample, which appear on the surface of the sample. Nanopores have a shape similar to equiaxial. Submicropores are formed as a result of nanopores merger. A relief is formed on the surface consisting of depressions having a shape similar to that of a hemisphere and a linear structure, oriented along the direction of rolling process.
Publisher
Trans Tech Publications, Ltd.
Reference21 articles.
1. P.M. Adler, M.C. Campo, J. Caro, et al., Nanoporous materials: advanced techniques for characterization, modeling, and processing, in: N. Kanellopoulos, Boca Raton, US: CRC Press / Taylor & Francis Group, 2011, p.578.
2. J. Zhang, C. V Li., Nanoporous metals: fabrication strategies and advanced electrochemical applications in catalysis, sensing and energy systems, Chem. Soc. Rev. 41(21) (2012) 7016-7031.
3. J. Erlebacher, I. McCue, Geometric characterization of nanoporous metals, Acta. Mater. 60(17) (2012) 6164-6174.
4. H. Qiu, X. Dong, X. Huang, Design of nanoporous metals with bimodal pore size distributions for enhanced biosensing, Nanoscale. 4 (2012) 4492-4497.
5. M.F. Sarac, P. Shimpi, J.A. Mackey, D.S. Kim, P. -X. Gao, Surface dezincification and selective oxidation induced heterogeneous semiconductor nanowire/nanofilm network junctions, Cryst. Growth. Des. 10(9) (2010) 3942-3948.