JP5898106B2 - 金属構造体中の水素量測定方法 - Google Patents
金属構造体中の水素量測定方法 Download PDFInfo
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- JP5898106B2 JP5898106B2 JP2013028717A JP2013028717A JP5898106B2 JP 5898106 B2 JP5898106 B2 JP 5898106B2 JP 2013028717 A JP2013028717 A JP 2013028717A JP 2013028717 A JP2013028717 A JP 2013028717A JP 5898106 B2 JP5898106 B2 JP 5898106B2
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- JP
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- Prior art keywords
- hydrogen
- metal structure
- amount
- measuring
- current value
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- 229910052739 hydrogen Inorganic materials 0.000 title claims description 109
- 239000001257 hydrogen Substances 0.000 title claims description 109
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 105
- 239000002184 metal Substances 0.000 title claims description 83
- 229910052751 metal Inorganic materials 0.000 title claims description 83
- 238000000034 method Methods 0.000 title claims description 18
- 239000008151 electrolyte solution Substances 0.000 claims description 25
- 230000003647 oxidation Effects 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 25
- 238000003795 desorption Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000006356 dehydrogenation reaction Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910021607 Silver chloride Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011158 quantitative evaluation Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Description
Claims (3)
- 金属構造体の表面に電解液を接触させる第1ステップと、
水素が電気化学的に酸化される範囲の電圧を前記金属構造体に印加して前記金属構造体表面の水素を酸化する第2ステップと、
電圧が印加されている前記金属構造体に流れる酸化電流値の減少変化が観測されなくなるまでの時間の間の前記酸化電流値の積算値に水素の原子量を乗じてファラデー定数で除することで、酸化された水素の質量を算出する第3ステップと
を少なくとも備え、
前記電解液は、前記金属構造体を構成する金属の腐食および前記電解液が接触している前記金属構造体の表面に還元生成物の析出が起こらない溶液から構成することを特徴とする金属構造体中の水素量測定方法。 - 請求項1記載の金属構造体中の水素量測定方法において、
電圧が印加されている前記金属構造体に流れる酸化電流値の減少変化が観測されなくなるまでの時間の間に自然放出される水素量で、算出した前記水素の質量を補正する第4ステップを備えることを特徴とする金属構造体中の水素量測定方法。 - 請求項1または2記載の金属構造体中の水素量測定方法において、
前記電解液中に前記金属構造体を浸漬することで、金属構造体の表面に電解液を接触させることを特徴とする金属構造体中の水素量測定方法。
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JP2013028717A JP5898106B2 (ja) | 2013-02-18 | 2013-02-18 | 金属構造体中の水素量測定方法 |
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JP2013028717A JP5898106B2 (ja) | 2013-02-18 | 2013-02-18 | 金属構造体中の水素量測定方法 |
Publications (2)
Publication Number | Publication Date |
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JP2014157104A JP2014157104A (ja) | 2014-08-28 |
JP5898106B2 true JP5898106B2 (ja) | 2016-04-06 |
Family
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JP2013028717A Expired - Fee Related JP5898106B2 (ja) | 2013-02-18 | 2013-02-18 | 金属構造体中の水素量測定方法 |
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JP (1) | JP5898106B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6342783B2 (ja) * | 2014-11-12 | 2018-06-13 | 日本電信電話株式会社 | 水素侵入評価方法 |
JP7349675B2 (ja) * | 2019-04-19 | 2023-09-25 | 陽吉 小川 | 測定方法、測定装置、プログラム、およびコンピュータ読み取り可能な記憶媒体 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065373A (en) * | 1976-04-26 | 1977-12-27 | Petrolite Corporation | Hydrogen patch cell |
JPS52131789A (en) * | 1976-04-27 | 1977-11-04 | Shirou Yoshizawa | Organic electrolyte for detecting hydrogen and detector |
JPS6056251A (ja) * | 1983-09-07 | 1985-04-01 | Nippon Paint Co Ltd | 被覆金属の腐食速度を測定する方法及びその装置 |
JP2645558B2 (ja) * | 1987-07-27 | 1997-08-25 | フィガロ技研株式会社 | 金属中水素の検出方法 |
JP4660995B2 (ja) * | 2001-07-26 | 2011-03-30 | 周 山口 | 水素吸蔵放出特性測定方法及びその装置 |
JP2011179893A (ja) * | 2010-02-26 | 2011-09-15 | Jfe Steel Corp | 金属内部への侵入水素量の測定方法および移動体の金属部位内部へ侵入する水素量のモニタリング方法 |
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