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^*

^*Corresponding author for this work

Massachusetts Institute of Technology
Stony Brook University
Northeastern University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

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.

Original language	English
Pages (from-to)	391-397
Number of pages	7
Journal	Applied Physics A: Materials Science and Processing
Volume	96
Issue number	2
DOIs	https://doi.org/10.1007/s00339-009-5192-4
State	Published - Aug 2009
Externally published	Yes

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title = "Nanoporous surfaces via impact of molten metallic droplets",

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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AU - Colmenares, Jose R.

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AU - Gouldstone, Andrew

PY - 2009/8

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N2 - 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.

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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DO - 10.1007/s00339-009-5192-4

M3 - Artículo

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ER -

Nanoporous surfaces via impact of molten metallic droplets

Abstract

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