Nanoporous surfaces via impact of molten metallic droplets

Meng Qu; Jose R. Colmenares; Alfredo Valarezo; Andrew Gouldstone

doi:10.1007/s00339-009-5192-4

Nanoporous surfaces via impact of molten metallic droplets

Meng Qu, Jose R. Colmenares, Alfredo Valarezo, Andrew Gouldstone

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

3 Citas (Scopus)

Resumen

Here we describe a new pathway for the production of nanoporous surfaces, by recourse to molten droplet impact and solidification. The nanopores in this case are frozen in bubbles that nucleate in the melt due to gas supersaturation within 100 nanoseconds of impact. Initial observations and previous analysis are presented, as well as ongoing work to control or pattern porosity via process variation and substrate pre-treatment. This method is presumably not limited in material, and has potential to create large area, functional surfaces.

Idioma original	Inglés
Páginas (desde-hasta)	391-397
Número de páginas	7
Publicación	Applied Physics A: Materials Science and Processing
Volumen	96
N.º	2
DOI	https://doi.org/10.1007/s00339-009-5192-4
Estado	Publicada - ago. 2009
Publicado de forma externa	Sí

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abstract = "Here we describe a new pathway for the production of nanoporous surfaces, by recourse to molten droplet impact and solidification. The nanopores in this case are frozen in bubbles that nucleate in the melt due to gas supersaturation within 100 nanoseconds of impact. Initial observations and previous analysis are presented, as well as ongoing work to control or pattern porosity via process variation and substrate pre-treatment. This method is presumably not limited in material, and has potential to create large area, functional surfaces.",

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AB - Here we describe a new pathway for the production of nanoporous surfaces, by recourse to molten droplet impact and solidification. The nanopores in this case are frozen in bubbles that nucleate in the melt due to gas supersaturation within 100 nanoseconds of impact. Initial observations and previous analysis are presented, as well as ongoing work to control or pattern porosity via process variation and substrate pre-treatment. This method is presumably not limited in material, and has potential to create large area, functional surfaces.

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Nanoporous surfaces via impact of molten metallic droplets

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