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2013•Unpublished venueRequires access

Defect estimation of a crack in underground pipelines by CMFL type NDT system

Hui Min Kim, Yong Woo Rho, Hui Ryong Yoo, Sung Ho Cho, Dong‐Kyu Kim, Sung Ja Koo, Gwan Soo Park

Open publisher page 5 citations

Abstract

A defect which is axially oriented with small size is hard to detect in conventional system. CMFL (Circumferential Magnetic Flux Leakage) type PIG (Pipelines Inspection Gauge) in the NDT (Nondestructive Testing), is operated to detect this defect called axially oriented cracks in the pipe. It is necessary to decompose the size and shapes of cracks for the maintenance of underground pipelines. This article is focused on the decomposing method of the size and shape of the axially oriented cracks by using inspection signal data for defect.

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What this paper is about

A defect which is axially oriented with small size is hard to detect in conventional system. CMFL (Circumferential Magnetic Flux Leakage) type PIG (Pipelines Inspection Gauge) in the NDT (Nondestructive Testing), is operated to detect this defect called axially oriented cracks in the pipe. It is necessary to decompose the size and shapes of cracks for the maintenance of underground pipelines. This article is focused on the decomposing method of the size and shape of the axially oriented cracks by using inspection signal data for defect.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A defect which is axially oriented with small size is hard to detect in conventional system. CMFL (Circumferential Magnetic Flux Leakage) type PIG (Pipelines Inspection Gauge) in the NDT (Nondestructive Testing), is operated to detect this defect called axially oriented cracks in the pipe. It is necessary to decompose the size and shapes of cracks for the maintenance of underground pipelines. This article is focused on the decomposing method of the size and shape of the axially oriented cracks by using inspection signal data for defect.

Key concepts: Nondestructive testing, Axial symmetry, Magnetic flux leakage, Pipeline transport, Structural engineering, Materials science, Engineering, Mechanical engineering

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