High temperature corrosion of welded ferritic stainless steel in flowing CO2 gas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The high temperature corrosion of welded structure of Ferritic Stainless Steel (FSS) in flowing Ar-75%CO2 gas at 700°C has been investigated. The welded structure of FSS joint using ER 308L filler metal by GTAW. The soundness of welded joint has been clarified by X-Ray CT Scan. Prior the high temperature exposure, the welded FSS compulsory passed the standard of ASME. The welded structure of FSS was heated in flowing CO2 gas for 50 h at 1 atm. The morphology and microstructure of oxide formation on welded FSS alloy was characterized by using SEM. The result shows that the different oxide morphologies were observed on parent and fusion metal. The formation of different oxide and element properties at the interface were revealed by X-Ray Diffraction. The differences of the physical condition and morphology microstructure of welded and parent metal were observed to respond to different exposure times. This phenomenon perhaps explained due to the differences of the minor alloying elements on both parent and filler metals. The high temperature corrosion behaviour was discussed in details in this paper regarding on the physical properties, morphology and the microstructure.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages351-355
Number of pages5
Volume1528
DOIs
Publication statusPublished - 2013
Event2012 National Physics Conference, PERFIK 2012 - Bukit Tinggi, Pahang
Duration: 19 Nov 201221 Nov 2012

Other

Other2012 National Physics Conference, PERFIK 2012
CityBukit Tinggi, Pahang
Period19/11/1221/11/12

Fingerprint

ferritic stainless steels
welded structures
corrosion
gases
fillers
metals
microstructure
oxides
welded joints
alloying
x rays
physical properties
fusion
scanning electron microscopy
diffraction

Keywords

  • Corrosion
  • ferritic stainless steel
  • filler metal

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

High temperature corrosion of welded ferritic stainless steel in flowing CO2 gas. / Shariff, Nurul Atikah; Othman, Norinsan Kamil; Jalar @ Jalil, Azman; Abdul Hamid, Muhammad Azmi; Abdul Rahman, Irman.

AIP Conference Proceedings. Vol. 1528 2013. p. 351-355.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shariff, NA, Othman, NK, Jalar @ Jalil, A, Abdul Hamid, MA & Abdul Rahman, I 2013, High temperature corrosion of welded ferritic stainless steel in flowing CO2 gas. in AIP Conference Proceedings. vol. 1528, pp. 351-355, 2012 National Physics Conference, PERFIK 2012, Bukit Tinggi, Pahang, 19/11/12. https://doi.org/10.1063/1.4803623
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AU - Abdul Hamid, Muhammad Azmi

AU - Abdul Rahman, Irman

PY - 2013

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N2 - The high temperature corrosion of welded structure of Ferritic Stainless Steel (FSS) in flowing Ar-75%CO2 gas at 700°C has been investigated. The welded structure of FSS joint using ER 308L filler metal by GTAW. The soundness of welded joint has been clarified by X-Ray CT Scan. Prior the high temperature exposure, the welded FSS compulsory passed the standard of ASME. The welded structure of FSS was heated in flowing CO2 gas for 50 h at 1 atm. The morphology and microstructure of oxide formation on welded FSS alloy was characterized by using SEM. The result shows that the different oxide morphologies were observed on parent and fusion metal. The formation of different oxide and element properties at the interface were revealed by X-Ray Diffraction. The differences of the physical condition and morphology microstructure of welded and parent metal were observed to respond to different exposure times. This phenomenon perhaps explained due to the differences of the minor alloying elements on both parent and filler metals. The high temperature corrosion behaviour was discussed in details in this paper regarding on the physical properties, morphology and the microstructure.

AB - The high temperature corrosion of welded structure of Ferritic Stainless Steel (FSS) in flowing Ar-75%CO2 gas at 700°C has been investigated. The welded structure of FSS joint using ER 308L filler metal by GTAW. The soundness of welded joint has been clarified by X-Ray CT Scan. Prior the high temperature exposure, the welded FSS compulsory passed the standard of ASME. The welded structure of FSS was heated in flowing CO2 gas for 50 h at 1 atm. The morphology and microstructure of oxide formation on welded FSS alloy was characterized by using SEM. The result shows that the different oxide morphologies were observed on parent and fusion metal. The formation of different oxide and element properties at the interface were revealed by X-Ray Diffraction. The differences of the physical condition and morphology microstructure of welded and parent metal were observed to respond to different exposure times. This phenomenon perhaps explained due to the differences of the minor alloying elements on both parent and filler metals. The high temperature corrosion behaviour was discussed in details in this paper regarding on the physical properties, morphology and the microstructure.

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