Ultrasonic defect sizing with manual and semi-automatic system

Jorma Pitkänen, Pentti Kauppinen, Pauli Särkiniemi, Harri Jeskanen, Jesus Vazquez, Fernando Ojedo

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

1 Citation (Scopus)

Abstract

In the outages of nuclear power plants, conventional power stations and oil refineries the majority of defect sizing is carried out manually, because the installation time for mechanised inspection system is high and the result of inspection is not shown to be more accurate in general. This review discusses defects sizing and compares sizing performed manually and with a semi-automated system. With the help of the semi-automated system described here it is possible to collect the inspection data in a computer and to analyse it more accurately after inspection. The advantages and disadvantages of this system are discussed. The system can be used as a defect sizing tool in manual inspections as well as to complete mechanised ultrasonic inspection of objects which can be inspected with a mechanised system only partly or not at all.
Original languageEnglish
Title of host publicationPlant Life Management
Subtitle of host publicationProgress for structural integrity
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages51-61
ISBN (Electronic)951-38-6281-X
ISBN (Print)951-38-6280-1
Publication statusPublished - 2003
MoE publication typeB3 Non-refereed article in conference proceedings
EventPlant Life Management: Progress for structural integrity - Espoo, Finland
Duration: 1 Jan 20021 Jan 2002

Publication series

NameVTT Symposium
PublisherVTT
Number227
ISSN (Print)0357-9387
ISSN (Electronic)1455-0873

Seminar

SeminarPlant Life Management
CountryFinland
CityEspoo
Period1/01/021/01/02

Fingerprint

Inspection
Ultrasonics
Defects
Outages
Nuclear power plants

Cite this

Pitkänen, J., Kauppinen, P., Särkiniemi, P., Jeskanen, H., Vazquez, J., & Ojedo, F. (2003). Ultrasonic defect sizing with manual and semi-automatic system. In Plant Life Management: Progress for structural integrity (pp. 51-61). Espoo: VTT Technical Research Centre of Finland. VTT Symposium, No. 227
Pitkänen, Jorma ; Kauppinen, Pentti ; Särkiniemi, Pauli ; Jeskanen, Harri ; Vazquez, Jesus ; Ojedo, Fernando. / Ultrasonic defect sizing with manual and semi-automatic system. Plant Life Management: Progress for structural integrity. Espoo : VTT Technical Research Centre of Finland, 2003. pp. 51-61 (VTT Symposium; No. 227).
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Pitkänen, J, Kauppinen, P, Särkiniemi, P, Jeskanen, H, Vazquez, J & Ojedo, F 2003, Ultrasonic defect sizing with manual and semi-automatic system. in Plant Life Management: Progress for structural integrity. VTT Technical Research Centre of Finland, Espoo, VTT Symposium, no. 227, pp. 51-61, Plant Life Management, Espoo, Finland, 1/01/02.

Ultrasonic defect sizing with manual and semi-automatic system. / Pitkänen, Jorma; Kauppinen, Pentti; Särkiniemi, Pauli; Jeskanen, Harri; Vazquez, Jesus; Ojedo, Fernando.

Plant Life Management: Progress for structural integrity. Espoo : VTT Technical Research Centre of Finland, 2003. p. 51-61 (VTT Symposium; No. 227).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

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T1 - Ultrasonic defect sizing with manual and semi-automatic system

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AU - Vazquez, Jesus

AU - Ojedo, Fernando

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AB - In the outages of nuclear power plants, conventional power stations and oil refineries the majority of defect sizing is carried out manually, because the installation time for mechanised inspection system is high and the result of inspection is not shown to be more accurate in general. This review discusses defects sizing and compares sizing performed manually and with a semi-automated system. With the help of the semi-automated system described here it is possible to collect the inspection data in a computer and to analyse it more accurately after inspection. The advantages and disadvantages of this system are discussed. The system can be used as a defect sizing tool in manual inspections as well as to complete mechanised ultrasonic inspection of objects which can be inspected with a mechanised system only partly or not at all.

M3 - Conference article in proceedings

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Pitkänen J, Kauppinen P, Särkiniemi P, Jeskanen H, Vazquez J, Ojedo F. Ultrasonic defect sizing with manual and semi-automatic system. In Plant Life Management: Progress for structural integrity. Espoo: VTT Technical Research Centre of Finland. 2003. p. 51-61. (VTT Symposium; No. 227).