Mechanism of grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes

Takuya Hara, Ryuzi Uemori, Hiroshi Tamehiro, Chuichi Kato

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)

抄録

The effect of the sulfides on corrosion and the observation of the microstructure of the inclusions especially, the sulfides, were investigated to elucidate the mechanism of the grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes. Main conclusions are as follows. (1) The constitution of the sulfides changes from MnS to CuxS+MnS and Ti2S by the addition of Cu and Ti and the relative small sulfides less than 0.1 μm increase. (2) MnS overall covered with CuxS precipitates in Cu-Ti added steel. CuxS in Cu-Ti added steel more precipitates than that in Cu-Ti free steel because of the difference in Cu content. (3) CuxS+MnS and Ti2S are not corroded in 3% sodium chloride solution (NaCl) from the in-situ observation. Therefore, it was supposed that the grooving corrosion of the welded portion because the constitution and the morphology of the sulfides varied by the addition of Cu and Ti. That is, it is caused by preventing MnS itself from dissolving for the environment by the formation of CuxS.

元の言語英語
ページ(範囲)150-158
ページ数9
ジャーナルZairyo to Kankyo/ Corrosion Engineering
49
発行部数3
DOI
出版物ステータス出版済み - 1 1 2000
外部発表Yes

Fingerprint

Steel pipe
Sulfides
Corrosion resistance
Steel
Precipitates
Corrosion
Sodium chloride
Sodium Chloride
Microstructure

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrochemistry
  • Materials Chemistry

これを引用

Mechanism of grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes. / Hara, Takuya; Uemori, Ryuzi; Tamehiro, Hiroshi; Kato, Chuichi.

:: Zairyo to Kankyo/ Corrosion Engineering, 巻 49, 番号 3, 01.01.2000, p. 150-158.

研究成果: ジャーナルへの寄稿記事

@article{cb3a9a015d084fe194d52bb45bb2f446,
title = "Mechanism of grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes",
abstract = "The effect of the sulfides on corrosion and the observation of the microstructure of the inclusions especially, the sulfides, were investigated to elucidate the mechanism of the grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes. Main conclusions are as follows. (1) The constitution of the sulfides changes from MnS to CuxS+MnS and Ti2S by the addition of Cu and Ti and the relative small sulfides less than 0.1 μm increase. (2) MnS overall covered with CuxS precipitates in Cu-Ti added steel. CuxS in Cu-Ti added steel more precipitates than that in Cu-Ti free steel because of the difference in Cu content. (3) CuxS+MnS and Ti2S are not corroded in 3{\%} sodium chloride solution (NaCl) from the in-situ observation. Therefore, it was supposed that the grooving corrosion of the welded portion because the constitution and the morphology of the sulfides varied by the addition of Cu and Ti. That is, it is caused by preventing MnS itself from dissolving for the environment by the formation of CuxS.",
author = "Takuya Hara and Ryuzi Uemori and Hiroshi Tamehiro and Chuichi Kato",
year = "2000",
month = "1",
day = "1",
doi = "10.3323/jcorr1991.49.150",
language = "English",
volume = "49",
pages = "150--158",
journal = "Corrosion Engineering",
issn = "0917-0480",
publisher = "Japan Society of Corrosion Engineering",
number = "3",

}

TY - JOUR

T1 - Mechanism of grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes

AU - Hara, Takuya

AU - Uemori, Ryuzi

AU - Tamehiro, Hiroshi

AU - Kato, Chuichi

PY - 2000/1/1

Y1 - 2000/1/1

N2 - The effect of the sulfides on corrosion and the observation of the microstructure of the inclusions especially, the sulfides, were investigated to elucidate the mechanism of the grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes. Main conclusions are as follows. (1) The constitution of the sulfides changes from MnS to CuxS+MnS and Ti2S by the addition of Cu and Ti and the relative small sulfides less than 0.1 μm increase. (2) MnS overall covered with CuxS precipitates in Cu-Ti added steel. CuxS in Cu-Ti added steel more precipitates than that in Cu-Ti free steel because of the difference in Cu content. (3) CuxS+MnS and Ti2S are not corroded in 3% sodium chloride solution (NaCl) from the in-situ observation. Therefore, it was supposed that the grooving corrosion of the welded portion because the constitution and the morphology of the sulfides varied by the addition of Cu and Ti. That is, it is caused by preventing MnS itself from dissolving for the environment by the formation of CuxS.

AB - The effect of the sulfides on corrosion and the observation of the microstructure of the inclusions especially, the sulfides, were investigated to elucidate the mechanism of the grooving corrosion resistance in Cu-Ti added high frequency electric resistance welded steel pipes. Main conclusions are as follows. (1) The constitution of the sulfides changes from MnS to CuxS+MnS and Ti2S by the addition of Cu and Ti and the relative small sulfides less than 0.1 μm increase. (2) MnS overall covered with CuxS precipitates in Cu-Ti added steel. CuxS in Cu-Ti added steel more precipitates than that in Cu-Ti free steel because of the difference in Cu content. (3) CuxS+MnS and Ti2S are not corroded in 3% sodium chloride solution (NaCl) from the in-situ observation. Therefore, it was supposed that the grooving corrosion of the welded portion because the constitution and the morphology of the sulfides varied by the addition of Cu and Ti. That is, it is caused by preventing MnS itself from dissolving for the environment by the formation of CuxS.

UR - http://www.scopus.com/inward/record.url?scp=0033878886&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033878886&partnerID=8YFLogxK

U2 - 10.3323/jcorr1991.49.150

DO - 10.3323/jcorr1991.49.150

M3 - Article

AN - SCOPUS:0033878886

VL - 49

SP - 150

EP - 158

JO - Corrosion Engineering

JF - Corrosion Engineering

SN - 0917-0480

IS - 3

ER -