JP6223783B2 - 超音波探傷センサおよび超音波探傷方法 - Google Patents
超音波探傷センサおよび超音波探傷方法 Download PDFInfo
- Publication number
- JP6223783B2 JP6223783B2 JP2013231258A JP2013231258A JP6223783B2 JP 6223783 B2 JP6223783 B2 JP 6223783B2 JP 2013231258 A JP2013231258 A JP 2013231258A JP 2013231258 A JP2013231258 A JP 2013231258A JP 6223783 B2 JP6223783 B2 JP 6223783B2
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- flaw detection
- reception
- ultrasonic flaw
- ultrasonic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/221—Arrangements for directing or focusing the acoustical waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/102—Number of transducers one emitter, one receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Description
ここで、
d:素子ピッチ [mm]
n:整数
λ:超音波波長 [mm]
を表す。
d<λ÷2 (n=1) 数式(2)
図1〜図4及び数式(1)、数式(3)〜(4)を用いて、本発明の第1実施形態による超音波探傷センサおよび超音波探傷方法について説明する。
(i)超音波探傷により検査対象上におけるセンサの位置を測定する。
(ii)素子ピッチから数式(1)を用いてGL発生角を計算し、
(iii)GL入射方向における反射源の有無を評価(判断)し、
(iv)GL入射方向に反射源がある場合、反射波の受信位置を測定(評価)する。受信センサ1R上におけるMLの受信位置とGLの受信位置は異なるため、受信位置の測定結果に基づきMLとGLを識別する。
ここで、
W:検査対象幅(試験体幅)
Φmax:超音波走査角の最大値
Φmin:超音波走査角の最小値
L0:欠陥検出に必要なセンサの長さ
を表す。
このように、本実施形態においては反射波の受信位置に基づきMLとGLを識別するため、MLとGLの識別を行わない従来のUT方法のセンサよりも長い受信センサ1Rを用いる。これにより、受信センサ1Rで、検査範囲ΔWで反射したML走査時に生じるGLを受信可能とした。
図5〜図7及び数式(1)、数式(5)を用いて、本発明の第2の実施形態におけるUTセンサおよびUT方法について説明する。なお、図5〜図7において、図1〜図4と同一部分には、同一符号を付する。
(i)超音波探傷により検査対象上におけるセンサの位置を測定し、
(ii)数式(1)を用いてGL発生角を計算し、
(iii)GL入射方向における反射源の有無を評価する。
(iv)反射源がある場合にMLをGL発生方向に入射させ、GL入射時とML入射時の反射強度を比較することによりGLを識別する点である。
ここで、
h1:検査位置と最小走査角発信中心位置との距離
W1:送信センサ設置位置から検査対象位置までの距離
を表す。
2…検査対象
5…超音波素子
8…超音波探傷装置
9…制御PC
21…CPU(制御部)
22…ハードディスクドライブ(HDD)
23…ランダムアクセスメモリ(RAM)
24…リードオンリーメモリ(ROM)
25…I/Oポート
26…キーボード
27…記録メディア
28…モニタ
29…A/Dコンバータ
30…D/Aコンバータ
100…超音波探傷システム
101…試験体形状、試験体音速、超音波探傷位置、構成素子数、素子ピッチの制御PCへの入力ステップ
102…試験体上のセンサ位置測定ステップ
103…GL発生角の計算ステップ
104…GL発生方向の反射源有無の評価ステップ
105…GL受信位置の評価ステップ
201…試験体形状、試験体音速、超音波探傷位置、構成素子数、素子ピッチの制御PCへの入力ステップ
202…試験体上のセンサ位置測定ステップ
203…GL発生角の計算ステップステップ
204…GL発生方向の反射源有無の評価ステップ
205…GL入射方向のMLによる探傷ステップ
1…超音波探傷センサ
1T…送信センサ
1R…受信センサ
301…検査対象(試験体)
Claims (1)
- 送信センサと受信センサを検査対象を挟むように配置するステップと、
グレーティングローブの発生角Δφを計算するステップと、
検査対象の形状と前記検査対象に対する送信センサ及び受信センサの位置とに基づいて、グレーティングローブ発生方向の反射源の有無を評価するステップと、
前記受信センサにより反射波の受信位置を測定するステップと、
計算された発生角Δφに基づくグレーティングローブの受信位置と、測定された反射波の受信位置とを比較することにより、グレーティングローブの反射波か否かを評価するステップと、
を有することを特徴とする超音波探傷方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231258A JP6223783B2 (ja) | 2013-11-07 | 2013-11-07 | 超音波探傷センサおよび超音波探傷方法 |
US14/531,233 US9435769B2 (en) | 2013-11-07 | 2014-11-03 | Ultrasonic testing sensor and ultrasonic testing method |
IN3184DE2014 IN2014DE03184A (ja) | 2013-11-07 | 2014-11-04 | |
EP14003720.1A EP2871475B1 (en) | 2013-11-07 | 2014-11-05 | Ultrasonic testing sensor and ultrasonic testing method |
CN201710563305.7A CN107271549B (zh) | 2013-11-07 | 2014-11-06 | 超声波探伤系统的控制装置以及超声波探伤系统 |
CN201410636366.8A CN104634880B (zh) | 2013-11-07 | 2014-11-06 | 超声波探伤传感器以及超声波探伤方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231258A JP6223783B2 (ja) | 2013-11-07 | 2013-11-07 | 超音波探傷センサおよび超音波探傷方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015090347A JP2015090347A (ja) | 2015-05-11 |
JP2015090347A5 JP2015090347A5 (ja) | 2016-11-10 |
JP6223783B2 true JP6223783B2 (ja) | 2017-11-01 |
Family
ID=51867983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013231258A Expired - Fee Related JP6223783B2 (ja) | 2013-11-07 | 2013-11-07 | 超音波探傷センサおよび超音波探傷方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9435769B2 (ja) |
EP (1) | EP2871475B1 (ja) |
JP (1) | JP6223783B2 (ja) |
CN (2) | CN107271549B (ja) |
IN (1) | IN2014DE03184A (ja) |
Families Citing this family (5)
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JP6557099B2 (ja) * | 2015-09-14 | 2019-08-07 | 三菱日立パワーシステムズ株式会社 | 超音波探傷方法及び超音波探傷装置 |
US9976925B2 (en) * | 2015-10-16 | 2018-05-22 | Kidde Technologies, Inc. | Apparatus and method for testing linear thermal sensors |
DE102016110044A1 (de) | 2016-05-31 | 2017-11-30 | Vallourec Deutschland Gmbh | Verfahren zur Ultraschallprüfung von langgestreckten Hohlprofilen |
DE102019106427B4 (de) | 2019-03-13 | 2022-04-28 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und –prüfung (BAM) | Wandler und Wandleranordnung für Ultraschall-Prüfkopfsysteme, Ultraschall-Prüfkopfsystem und Prüfverfahren |
CN113866263A (zh) * | 2021-09-26 | 2021-12-31 | 哈勃智能传感(深圳)有限公司 | 一种基于超声测量装置的尿素溶液浓度测量方法 |
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-
2013
- 2013-11-07 JP JP2013231258A patent/JP6223783B2/ja not_active Expired - Fee Related
-
2014
- 2014-11-03 US US14/531,233 patent/US9435769B2/en active Active
- 2014-11-04 IN IN3184DE2014 patent/IN2014DE03184A/en unknown
- 2014-11-05 EP EP14003720.1A patent/EP2871475B1/en not_active Not-in-force
- 2014-11-06 CN CN201710563305.7A patent/CN107271549B/zh not_active Expired - Fee Related
- 2014-11-06 CN CN201410636366.8A patent/CN104634880B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN107271549B (zh) | 2019-11-22 |
JP2015090347A (ja) | 2015-05-11 |
EP2871475B1 (en) | 2019-09-11 |
CN104634880A (zh) | 2015-05-20 |
US9435769B2 (en) | 2016-09-06 |
IN2014DE03184A (ja) | 2015-09-25 |
CN107271549A (zh) | 2017-10-20 |
CN104634880B (zh) | 2017-08-08 |
US20150122029A1 (en) | 2015-05-07 |
EP2871475A1 (en) | 2015-05-13 |
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