WO2015129215A1 - アルコール環境での応力腐食割れ試験方法 - Google Patents
アルコール環境での応力腐食割れ試験方法 Download PDFInfo
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- WO2015129215A1 WO2015129215A1 PCT/JP2015/000801 JP2015000801W WO2015129215A1 WO 2015129215 A1 WO2015129215 A1 WO 2015129215A1 JP 2015000801 W JP2015000801 W JP 2015000801W WO 2015129215 A1 WO2015129215 A1 WO 2015129215A1
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- stress
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- alcohol
- corrosion cracking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/04—Corrosion probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/0242—With circulation of a fluid
Abstract
Description
○ :クラックあり(クラック長さ20μm以上)
△ :微小クラックあり(クラック長さ20μm未満)
× :クラックなし
図2は試験後の試験片の断面のクラックの発生状況を示す顕微鏡観察による図である。クラックの発生後、それが進展することで、図2中央に見えるような長さ20μm以上のクラックが観察できる。一方、発生後の進展が十分に行われない場合、図2右に見えるような長さ20μm未満の微小クラックに留まる。
Claims (5)
- 鋼材のアルコール中での応力腐食割れ感受性を評価する試験であって、前記鋼材の単軸引張試験片を覆うセル中に、カルボン酸:0.1mmol/L以上40mmol/L未満、塩化物イオン:0.05mg/L以上300mg/L未満及び水:0.1vol.%以上5vol.%未満を含むアルコール溶液を充填し、前記単軸引張試験片の引張軸方向に、最大応力を試験溶液温度での降伏強度以上引張強さ未満、最小応力を前記降伏強度の0%以上90%以下とする変動応力を、2.0×10-5~2.0×10-2Hzの周波数で、前記単軸引張試験片に負荷することを特徴とするアルコール環境での応力腐食割れ試験方法。
- 前記試験溶液温度を0℃以上50℃未満とすることを特徴とする請求項1に記載のアルコール環境での応力腐食割れ試験方法。
- 前記試験溶液中の溶存酸素濃度が、1mg/L以上であることを特徴とする請求項1または2に記載のアルコール環境での応力腐食割れ試験方法。
- 前記変動応力が前記最大応力に到達後、前記最大応力を30秒以上保持することを特徴とする請求項1乃至3の何れかに記載のアルコール環境での応力腐食割れ試験方法。
- 前記単軸引張試験片にあって、平行部に切り欠き加工部を具備することを特徴とする請求項1乃至4の何れかに記載のアルコール環境での応力腐食割れ試験方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/121,501 US10024781B2 (en) | 2014-02-25 | 2015-02-19 | Stress corrosion crack test method in alcohol environment |
JP2016505050A JP6160764B2 (ja) | 2014-02-25 | 2015-02-19 | アルコール環境での応力腐食割れ試験方法 |
BR112016019375-0A BR112016019375B1 (pt) | 2014-02-25 | 2015-02-19 | Método de teste de rachadura por corrosão sob tensão para ambientes de álcool |
CN201580010002.1A CN106030281B (zh) | 2014-02-25 | 2015-02-19 | 醇环境下的应力腐蚀开裂试验方法 |
KR1020167026119A KR101821083B1 (ko) | 2014-02-25 | 2015-02-19 | 알코올 환경에서의 응력 부식 균열 시험 방법 |
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JP2014033852 | 2014-02-25 | ||
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JP2014216851 | 2014-10-24 | ||
JP2014-216851 | 2014-10-24 |
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WO2015129215A1 true WO2015129215A1 (ja) | 2015-09-03 |
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PCT/JP2015/000801 WO2015129215A1 (ja) | 2014-02-25 | 2015-02-19 | アルコール環境での応力腐食割れ試験方法 |
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US (1) | US10024781B2 (ja) |
JP (1) | JP6160764B2 (ja) |
KR (1) | KR101821083B1 (ja) |
CN (1) | CN106030281B (ja) |
BR (1) | BR112016019375B1 (ja) |
WO (1) | WO2015129215A1 (ja) |
Cited By (1)
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JP2019174444A (ja) * | 2018-03-29 | 2019-10-10 | 日本製鉄株式会社 | 試験片および応力腐食割れ試験方法 |
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CN112504954B (zh) * | 2020-11-24 | 2023-02-03 | 山东科技大学 | 一种加载应力-环境腐蚀耦合作用的实验装置及方法 |
Citations (1)
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JP2006029977A (ja) * | 2004-07-15 | 2006-02-02 | Jfe Steel Kk | 自動車構造部材用鋼材の耐遅れ破壊特性評価方法および耐遅れ破壊特性に優れた自動車構造部材用鋼材 |
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KR950006164B1 (ko) | 1991-12-30 | 1995-06-09 | 포항종합제철주식회사 | 내후성강재의 응력부식균열감수성의 측정방법 |
ES2281229B1 (es) * | 2002-04-26 | 2008-08-16 | Babcock-Hitachi K.K. | Metodo para hacer que se genere y crezca en una muestra el agrietamiento por corrosion intergranular bajo tension. |
KR100834290B1 (ko) | 2006-10-19 | 2008-05-30 | 한국원자력연구원 | 니켈보라이드를 포함하는 원자력발전소 증기발생기전열관의 2차측 납유기 응력부식균열 억제제 및 이의억제방법 |
US7387031B1 (en) * | 2006-12-22 | 2008-06-17 | Tetra Technologies, Inc. | Method for monitoring corrosion damage to a metal sample |
CA2779507C (en) * | 2009-12-08 | 2016-02-02 | National Oilwell Varco, L.P. | Corrosion testing apparatus and methods |
JP2012083115A (ja) | 2010-10-07 | 2012-04-26 | Hitachi-Ge Nuclear Energy Ltd | 応力腐食割れ試験方法 |
KR101447012B1 (ko) * | 2012-06-22 | 2014-10-07 | 한국원자력연구원 | 금속합금 구조재의 응력부식균열에 대한 비파괴적 평가방법 및 그 금속구조재의 잔여수명 평가방법 |
CN104792689B (zh) | 2014-01-21 | 2018-02-23 | 中国科学院金属研究所 | 一种湿硫化氢环境中的环境腐蚀开裂试验用装置 |
JP2015175790A (ja) | 2014-03-17 | 2015-10-05 | 株式会社神戸製鋼所 | ステンレス鋼の耐応力腐食割れ性の評価方法 |
CN104964911B (zh) * | 2015-06-10 | 2018-11-02 | 合肥通用机械研究院有限公司 | 一种湿硫化氢环境下的腐蚀疲劳试验装置及其试验方法 |
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- 2015-02-19 WO PCT/JP2015/000801 patent/WO2015129215A1/ja active Application Filing
- 2015-02-19 CN CN201580010002.1A patent/CN106030281B/zh active Active
- 2015-02-19 JP JP2016505050A patent/JP6160764B2/ja active Active
- 2015-02-19 US US15/121,501 patent/US10024781B2/en active Active
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JP2006029977A (ja) * | 2004-07-15 | 2006-02-02 | Jfe Steel Kk | 自動車構造部材用鋼材の耐遅れ破壊特性評価方法および耐遅れ破壊特性に優れた自動車構造部材用鋼材 |
Non-Patent Citations (1)
Title |
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J. TORKKELI ET AL.: "Mechanistic study of stress corrosion cracking of carbon steel in ethanol", MATERIALS AND CORROSION, vol. 64, no. Issue 10, October 2013 (2013-10-01), pages 866 - 875, XP001586275, ISSN: 0947-5117 * |
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JP2019174444A (ja) * | 2018-03-29 | 2019-10-10 | 日本製鉄株式会社 | 試験片および応力腐食割れ試験方法 |
JP7328495B2 (ja) | 2018-03-29 | 2023-08-17 | 日本製鉄株式会社 | 試験片および応力腐食割れ試験方法 |
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KR101821083B1 (ko) | 2018-01-22 |
BR112016019375B1 (pt) | 2021-08-24 |
CN106030281A (zh) | 2016-10-12 |
CN106030281B (zh) | 2019-03-05 |
US10024781B2 (en) | 2018-07-17 |
BR112016019375A2 (pt) | 2017-08-15 |
JPWO2015129215A1 (ja) | 2017-03-30 |
KR20160124875A (ko) | 2016-10-28 |
JP6160764B2 (ja) | 2017-07-12 |
US20160363526A1 (en) | 2016-12-15 |
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