O18 tracer study of porous film growth on aluminum in phosphoric acid

A. Baron-Wiecheć; J. J. Ganem; S. J. Garcia-Vergara; P. Skeldon; G. E. Thompson; I. C. Vickridge

doi:10.1149/1.3490640

^O18 tracer study of porous film growth on aluminum in phosphoric acid

A. Baron-Wiecheć^*, J. J. Ganem, S. J. Garcia-Vergara, P. Skeldon, G. E. Thompson, I. C. Vickridge

^*Corresponding author for this work

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

41 Scopus citations

Abstract

^O18 tracer is used to investigate the development of porous anodic films at constant current in phosphoric acid on electropolished aluminum. A barrier layer and porous region form initially with the pore size related to the surface texture of the substrate. Subsequently, major pores emerge, with their sizes related to the anodizing voltage. The evolution of the film is accompanied by increases in growth rate and formation efficiency. The ^O ions of a preformed oxide are retained in the film during anodization in a nonenriched electrolyte, with ^O18 being partitioned among (i) the surface region of texture-dependent porosity, (ii) the walls of major pores, and, in diminishing amounts, (iii) the inner region of the barrier layer.

Original language	English
Pages (from-to)	C399-C407
Journal	Journal of the Electrochemical Society
Volume	157
Issue number	11
DOIs	https://doi.org/10.1149/1.3490640
State	Published - 2010
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/1.3490640

Cite this

@article{0630e0e5f26c4ae5a99af83a263af75c,

title = "O18 tracer study of porous film growth on aluminum in phosphoric acid",

abstract = "O18 tracer is used to investigate the development of porous anodic films at constant current in phosphoric acid on electropolished aluminum. A barrier layer and porous region form initially with the pore size related to the surface texture of the substrate. Subsequently, major pores emerge, with their sizes related to the anodizing voltage. The evolution of the film is accompanied by increases in growth rate and formation efficiency. The O ions of a preformed oxide are retained in the film during anodization in a nonenriched electrolyte, with O18 being partitioned among (i) the surface region of texture-dependent porosity, (ii) the walls of major pores, and, in diminishing amounts, (iii) the inner region of the barrier layer.",

author = "A. Baron-Wieche{\'c} and Ganem, {J. J.} and Garcia-Vergara, {S. J.} and P. Skeldon and Thompson, {G. E.} and Vickridge, {I. C.}",

year = "2010",

doi = "10.1149/1.3490640",

language = "英语",

volume = "157",

pages = "C399--C407",

journal = "Journal of the Electrochemical Society",

issn = "0013-4651",

publisher = "Electrochemical Society, Inc.",

number = "11",

}

TY - JOUR

T1 - O18 tracer study of porous film growth on aluminum in phosphoric acid

AU - Baron-Wiecheć, A.

AU - Ganem, J. J.

AU - Garcia-Vergara, S. J.

AU - Skeldon, P.

AU - Thompson, G. E.

AU - Vickridge, I. C.

PY - 2010

Y1 - 2010

N2 - O18 tracer is used to investigate the development of porous anodic films at constant current in phosphoric acid on electropolished aluminum. A barrier layer and porous region form initially with the pore size related to the surface texture of the substrate. Subsequently, major pores emerge, with their sizes related to the anodizing voltage. The evolution of the film is accompanied by increases in growth rate and formation efficiency. The O ions of a preformed oxide are retained in the film during anodization in a nonenriched electrolyte, with O18 being partitioned among (i) the surface region of texture-dependent porosity, (ii) the walls of major pores, and, in diminishing amounts, (iii) the inner region of the barrier layer.

AB - O18 tracer is used to investigate the development of porous anodic films at constant current in phosphoric acid on electropolished aluminum. A barrier layer and porous region form initially with the pore size related to the surface texture of the substrate. Subsequently, major pores emerge, with their sizes related to the anodizing voltage. The evolution of the film is accompanied by increases in growth rate and formation efficiency. The O ions of a preformed oxide are retained in the film during anodization in a nonenriched electrolyte, with O18 being partitioned among (i) the surface region of texture-dependent porosity, (ii) the walls of major pores, and, in diminishing amounts, (iii) the inner region of the barrier layer.

UR - http://www.scopus.com/inward/record.url?scp=77957699107&partnerID=8YFLogxK

U2 - 10.1149/1.3490640

DO - 10.1149/1.3490640

M3 - 文章

AN - SCOPUS:77957699107

SN - 0013-4651

VL - 157

SP - C399-C407

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 11

ER -

^O18 tracer study of porous film growth on aluminum in phosphoric acid

Abstract

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this