Failure Investigation on Reheater Pendent Tubes Due to External Scale Exfoliation and Internal Scale Formation-Reference-Cited by-同舟云学术

Failure Investigation on Reheater Pendent Tubes Due to External Scale Exfoliation and Internal Scale Formation

Published:2011-10-31 Issue:6 Volume:133 Page:
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Ahmad J.¹,Purbolaksono J.²,Kadir A. K.³,Rahman M. M.³

Affiliation:

1. Kapar Energy Ventures Sdn Bhd, Jalan Tok Muda, Kapar 42200, Malaysia

2. Department of Engineering Design and Manufacture, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia; Centre of Advanced Manufacturing and Materials Processing, University of Malaya, Kuala Lumpur 50603, Malaysia

3. Department of Mechanical Engineering, Universiti Tenaga Nasional, Km 7 Jalan Kajang-Puchong, Kajang 43009, Selangor, Malaysia

Abstract

This paper presents failure investigation on reheater pendent SA213-T22 tubes through visual inspections, steam-side scale and tube wall thickness measurements, metallurgical examinations, and creep analysis. The investigations were carried out following subsequent tube failures of the reheater pendent region of a boiler unit. Interaction event of significant internal scale formation causing the higher metal temperature and external scale exfoliation as a result of high-temperature corrosion is identified to cause the failure of the reheater pendent tube. Prevention actions are recommended to avoid similar failures in the future.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/doi/10.1115/1.4004561/5555169/061402_1.pdf

Reference9 articles.

1. Creep Failures of Overheated Boiler, Superheater and Reformer Tubes;Jones;Eng. Failure Anal.

2. Evaluation on Reheater Tube Failure;Purbolaksono;Eng. Failure Anal.

3. Implications of Steam Oxidation for the Service Life of High-Strength Martensitic Steel Components in High-Temperature Plant;Ennis;Int. J. Pressure Vessels Piping

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