JP2008209358A - 管体の品質管理方法及び製造方法 - Google Patents
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
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- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
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- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T29/49764—Method of mechanical manufacture with testing or indicating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T29/49—Method of mechanical manufacture
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Abstract
【解決手段】管体1の溶接部2を少くとも管軸方向に超音波探傷し、管厚方向及び管軸方向の所定面積単位の測定値を用いて管体の品質を評価する。前記所定面積の一辺の長さは、超音波ビームサイズ以上、管厚以下とし、前記所定面積を管軸方向や管厚方向にずらしながら、前記所定面積内の測定値の平均値を用いて管体の品質を評価することができる。前記所定面積の一辺の長さは、超音波ビーム幅以上、管厚以下とすることができる。
【選択図】図13
Description
2…溶接部
3…欠陥
4…水
5…リニアアレイ探触子
6…送波用の振動子群
7…受波用の振動子群
8…送波ビーム
9…受波ビーム
10…探傷条件計算部
11…遅延時間設定部
12…パルサー
13…リニアアレイ探触子の振動子
14…受信アンプ
15…遅延時間設定部
16…合成処理部
17…ゲート評価部
30…被検体サイズ入力部
31…アレイ探触子記憶部
32…開口幅制御部
33…ゲート位置記憶部
34…アレイ送信則記憶部
35…アレイ受信則記憶部
36…アレイ送信部
37…アレイ受信部
38…ゲート部
39…判定しきい値入力部
40…欠陥判定部
Claims (12)
- 管体の溶接部を少くとも管軸方向に超音波探傷し、
管厚方向及び管軸方向の所定面積単位の測定値を用いて管体の品質を評価することを特徴とする管体の品質管理方法。 - 前記所定面積の一辺の長さが、超音波ビーム幅以上、管厚以下であることを特徴とする請求項1に記載の管体の品質管理方法。
- 前記所定面積を管軸方向にずらしながら、管体の品質を評価することを特徴とする請求項1又は2に記載の管体の品質管理方法。
- 前記所定面積を管厚方向にずらしながら、管体の品質を評価することを特徴とする請求項1乃至3のいずれかに記載の管体の品質管理方法。
- 前記所定面積内の測定値の平均値を用いて管体の品質を評価することを特徴とする請求項1乃至4のいずれかに記載の管体の品質管理方法。
- 管厚方向の所定面積のうち、管軸方向同一位置における最大平均値を求め、該最大平均値を用いて管体の品質を評価することを特徴とする請求項5に記載の管体の品質管理方法。
- 管厚方向の所定面積のうち、管軸方向同一位置の管厚方向所定範囲における最大平均値を求め、該最大平均値を用いて管体の品質を評価することを特徴とする請求項5に記載の管体の品質管理方法。
- 管軸方向位置毎の前記最大平均値をチャートに表示することを特徴とする請求項6又は7に記載の管体の品質管理方法。
- 前記超音波探傷を、
管体の管軸方向溶接部の溶接面に対し超音波を送波する送波部と、
前記溶接面における反射波の一部又は全部を受波する受波部とを有し、
前記送波部及び前記受波部が、管体周方向に配置された一又は二以上のアレイ探触子上の異なる振動子群からなる送受信部を備えた超音波探傷装置を用いて行なうことを特徴とする請求項1乃至8のいずれかに記載の管体の品質管理方法。 - 前記送波部が、管体の管軸方向溶接部の溶接面と前記管体の内面に対し、それぞれ33.2°から56.8°の範囲内の角度で入射するように超音波を送波し、
前記受波部が、溶接面における正反射方向に対して−12°から16°の範囲内の方向に反射した一部又は全部の反射波を受波するようにしたことを特徴とする請求項9に記載の管体の品質管理方法。 - 超音波の溶接面におけるビーム幅が0.5mmから2.5mmの範囲となるようにしたことを特徴とする請求項10に記載の管体の品質管理方法。
- 管体を製造する製造ステップと、
該製造ステップで製造された管体を、請求項1乃至11のいずれかに記載の品質管理方法を用いて品質管理する品質管理ステップと、
を有する管体の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2007048810A JP4910769B2 (ja) | 2007-02-28 | 2007-02-28 | 管体の品質管理方法及び製造方法 |
PCT/JP2007/060663 WO2008105112A1 (ja) | 2007-02-28 | 2007-05-18 | 管体の品質管理方法及び製造方法 |
KR1020097017925A KR101134521B1 (ko) | 2007-02-28 | 2007-05-18 | 관체의 품질 관리 방법 및 제조 방법 |
US12/449,746 US8578580B2 (en) | 2007-02-28 | 2007-05-18 | Quality control method and manufacturing method for pipe |
CA2679297A CA2679297C (en) | 2007-02-28 | 2007-05-18 | Quality control method and manufacturing method for pipe |
EP07744097.2A EP2124046B1 (en) | 2007-02-28 | 2007-05-18 | Method for controlling quality of tubular body and tubular body manufacturing method |
CN2007800518748A CN101617222B (zh) | 2007-02-28 | 2007-05-18 | 管体的品质管理方法和制造方法 |
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JP2007048810A JP4910769B2 (ja) | 2007-02-28 | 2007-02-28 | 管体の品質管理方法及び製造方法 |
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JP2008209358A true JP2008209358A (ja) | 2008-09-11 |
JP4910769B2 JP4910769B2 (ja) | 2012-04-04 |
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US (1) | US8578580B2 (ja) |
EP (1) | EP2124046B1 (ja) |
JP (1) | JP4910769B2 (ja) |
KR (1) | KR101134521B1 (ja) |
CN (1) | CN101617222B (ja) |
CA (1) | CA2679297C (ja) |
WO (1) | WO2008105112A1 (ja) |
Cited By (5)
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JP2012236214A (ja) * | 2011-05-12 | 2012-12-06 | Jfe Steel Corp | 電縫鋼管の溶接欠陥の検出システム及び電縫鋼管 |
JP2013007112A (ja) * | 2011-06-27 | 2013-01-10 | Jfe Steel Corp | 電縫溶接部の耐サワー特性に優れた高強度厚肉電縫鋼管 |
JP2015121489A (ja) * | 2013-12-24 | 2015-07-02 | 三菱日立パワーシステムズ株式会社 | 耐熱部材の溶接部の余寿命検査方法 |
JP2017026401A (ja) * | 2015-07-21 | 2017-02-02 | 新日鐵住金株式会社 | 管状体の内面検査方法 |
JP2019211215A (ja) * | 2018-05-31 | 2019-12-12 | Jfeスチール株式会社 | 超音波探傷方法、超音波探傷装置、鋼材の製造設備列、鋼材の製造方法、及び鋼材の品質保証方法 |
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JP2019211215A (ja) * | 2018-05-31 | 2019-12-12 | Jfeスチール株式会社 | 超音波探傷方法、超音波探傷装置、鋼材の製造設備列、鋼材の製造方法、及び鋼材の品質保証方法 |
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CA2679297A1 (en) | 2008-09-04 |
WO2008105112A1 (ja) | 2008-09-04 |
CA2679297C (en) | 2015-08-11 |
EP2124046B1 (en) | 2017-12-27 |
CN101617222A (zh) | 2009-12-30 |
CN101617222B (zh) | 2013-01-02 |
KR101134521B1 (ko) | 2012-04-16 |
EP2124046A4 (en) | 2014-12-03 |
KR20090115171A (ko) | 2009-11-04 |
US20100064495A1 (en) | 2010-03-18 |
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