NONDESTRUCTIVE INSPECTION SYSTEM AND NONDESTRUCTIVE INSPECTION METHOD

To provide a nondestructive inspection system and a nondestructive inspection method capable of accurately detecting an amount of a singular portion from positional information of the singular portion of an inspection object.SOLUTION: A nondestructive inspection system includes: a neutron irradiatio...

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Hauptverfasser: IMON KOJI, ISHIGURO SATORU, OTAKE TOSHIE, YOSHIMURA YUICHI, NAGANO SHIGENORI, SUNAGA HIDEYUKI
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creator IMON KOJI
ISHIGURO SATORU
OTAKE TOSHIE
YOSHIMURA YUICHI
NAGANO SHIGENORI
SUNAGA HIDEYUKI
description To provide a nondestructive inspection system and a nondestructive inspection method capable of accurately detecting an amount of a singular portion from positional information of the singular portion of an inspection object.SOLUTION: A nondestructive inspection system includes: a neutron irradiation unit 12 capable of emitting pulsed neutrons; a neutron detector 14 capable of detecting neutrons via an inspection object irradiated by the neutron irradiation unit 12; a storage unit for storing attenuation information showing a relationship between a material of the inspection object and attenuation of neutrons; and an arithmetic unit capable of calculating position information showing a position of a singular portion in the inspection object in accordance with time change information that is information on a time change of an amount of neutrons detected by the neutron detector 14. The arithmetic unit can generate information on an amount of the singular portion from information based on the amount of neutrons of the time change information by using the distance information and the attenuation information.SELECTED DRAWING: Figure 1 【課題】被検査物の特異部分の位置情報から特異部分の量を精度よく検出することができる非破壊検査システム、非破壊検査方法を提供する。【解決手段】パルス状の中性子を照射可能な中性子照射部12と、中性子照射部12から照射され被検査物を介した中性子を検出可能な中性子検出器14と、被検査物の材質と中性子の減衰の関係を示す減衰情報を記憶する記憶部と、中性子検出器14が検出する中性子量の時間変化の情報である時間変化情報に応じて被検査物内の特異部分の位置を示す距離情報を演算可能な演算部と、を備え、演算部は、距離情報と減衰情報を用いて時間変化情報の中性子量に基づく情報から特異部分の量に関する情報を生成可能。【選択図】図1
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title NONDESTRUCTIVE INSPECTION SYSTEM AND NONDESTRUCTIVE INSPECTION METHOD
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