Spontaneous pattern on the corroded surface of metal

Phenomenon and theory

J. J. Yang, Xiangyang Zhou

Research output: Contribution to journalArticle

Abstract

A spontaneous pattern was found on the corroded surface of 1Cr18Ni9Ti stainless steel which was subjected to a crude oil containing naphthenic acid at temperature about 330 °C. The high regularity, the periodicity, and SO 2 symmetry of the pattern imply that a spontaneous dissipative structure arose in this corrosion system. It was also found that the distribution of chemical elements on the corroded surface was in accordance with the morphologic pattern. A new theory, which is based on the linear perturbation method and in which the shift of boundary is considered, is proposed to characterize the formation of the large-scale spontaneous pattern, reveal the mechanism, and explain this phenomenon in the corrosion system.

Original languageEnglish
Pages (from-to)3625-3629
Number of pages5
JournalJournal of Applied Physics
Volume68
Issue number7
DOIs
StatePublished - Dec 1 1990
Externally publishedYes

Fingerprint

metals
corrosion
chemical elements
crude oil
regularity
periodic variations
stainless steels
perturbation
acids
shift
symmetry
temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Spontaneous pattern on the corroded surface of metal : Phenomenon and theory. / Yang, J. J.; Zhou, Xiangyang.

In: Journal of Applied Physics, Vol. 68, No. 7, 01.12.1990, p. 3625-3629.

Research output: Contribution to journalArticle

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