FR2405482A1 - METHOD AND APPARATUS FOR EVALUATING THE CORROSION SPEED OF A METAL - Google Patents

METHOD AND APPARATUS FOR EVALUATING THE CORROSION SPEED OF A METAL

Info

Publication number
FR2405482A1
FR2405482A1 FR7828778A FR7828778A FR2405482A1 FR 2405482 A1 FR2405482 A1 FR 2405482A1 FR 7828778 A FR7828778 A FR 7828778A FR 7828778 A FR7828778 A FR 7828778A FR 2405482 A1 FR2405482 A1 FR 2405482A1
Authority
FR
France
Prior art keywords
evaluating
metal
corrosion
corrosion speed
corrosion rate
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.)
Granted
Application number
FR7828778A
Other languages
French (fr)
Other versions
FR2405482B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP12077877A external-priority patent/JPS5814981B2/en
Priority claimed from JP52120779A external-priority patent/JPS5822697B2/en
Priority claimed from JP3913678A external-priority patent/JPS54131993A/en
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of FR2405482A1 publication Critical patent/FR2405482A1/en
Application granted granted Critical
Publication of FR2405482B1 publication Critical patent/FR2405482B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

L'invention concerne un procédé et un appareil d'évaluation de la vitesse de corrosion d'un métal. Trois charges électriques, de valeurs différentes, sont appliquées instantanément, dans trois opérations successives, à une ièce d'essai métallique plongée dans une solution corrosive Les variations du potentiel de polarisation, après l'application de chacune des charges, sont enregistrées et les courbes obtenues sont analysées, de manière à obtenir la résistance de polarisation et les pentes de Tafel anodique et cathodique Les valeurs ainsi obtenues permettent de calculer la vitesse de corrosion. Applications à l'étude de la corrosion des métaux.A method and apparatus for evaluating the corrosion rate of a metal is provided. Three electric charges, of different values, are applied instantaneously, in three successive operations, to a metallic test piece immersed in a corrosive solution The variations of the polarization potential, after the application of each of the charges, are recorded and the curves obtained are analyzed, so as to obtain the polarization resistance and the anodic and cathodic Tafel slopes. The values thus obtained make it possible to calculate the corrosion rate. Applications to the study of corrosion of metals.

FR7828778A 1977-10-07 1978-10-09 METHOD AND APPARATUS FOR EVALUATING THE CORROSION SPEED OF A METAL Granted FR2405482A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12077877A JPS5814981B2 (en) 1977-10-07 1977-10-07 Method for measuring rate factors of corrosion reactions
JP52120779A JPS5822697B2 (en) 1977-10-07 1977-10-07 Method for measuring rate factors of corrosion reactions
JP3913678A JPS54131993A (en) 1978-04-05 1978-04-05 Corrosion speed judging device

Publications (2)

Publication Number Publication Date
FR2405482A1 true FR2405482A1 (en) 1979-05-04
FR2405482B1 FR2405482B1 (en) 1982-08-27

Family

ID=27290048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828778A Granted FR2405482A1 (en) 1977-10-07 1978-10-09 METHOD AND APPARATUS FOR EVALUATING THE CORROSION SPEED OF A METAL

Country Status (3)

Country Link
DE (1) DE2844027C2 (en)
FR (1) FR2405482A1 (en)
GB (1) GB2006437B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504365A (en) * 1982-11-01 1985-03-12 The Kendall Company Non-destructive cathodic disbondment testing of pipewrap coatings
EP0199717B1 (en) * 1984-11-02 1989-08-23 Institutt For Energiteknikk Electrode system for the measurement of corrosion rate
IT1189159B (en) * 1986-06-11 1988-01-28 Eniricerche Spa ELECTROCHEMICAL SENSOR FOR MEASURING CORROSION OF METAL EQUIPMENT
FI103437B1 (en) * 1997-08-19 1999-06-30 Valtion Teknillinen Method and apparatus for conducting electrochemical measurements
GB2367630A (en) * 1998-12-07 2002-04-10 Integriti Invest Ltd Corrosion monitoring
CN107907477B (en) * 2017-12-31 2023-08-22 江苏科泰检测技术服务有限公司 Burn-out preventing condensing device for metal corrosiveness detection
CN113916767B (en) * 2021-09-30 2022-09-16 华中科技大学 Device and method for measuring atmospheric corrosion of nanoscale metallized film

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796583A (en) * 1953-12-28 1957-06-18 Pure Oil Co Automatic corrosion rate meter
GB1150416A (en) * 1966-07-29 1969-04-30 Nat Res Dev A Method for the Determination of Corrosion Rates by A.C. Polarisation Resistance Measurement
US4056445A (en) * 1975-10-10 1977-11-01 Gauntt Wayne M Determination of corrosion rates by an electrochemical method
GB1493695A (en) * 1975-10-11 1977-11-30 Texaco Belgium Nv Sa Measurement of corrosion protection
US4130464A (en) * 1976-05-18 1978-12-19 Tokyo Shibaura Electric Co., Ltd. Method of evaluating the corrosion rates of metals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796583A (en) * 1953-12-28 1957-06-18 Pure Oil Co Automatic corrosion rate meter
GB1150416A (en) * 1966-07-29 1969-04-30 Nat Res Dev A Method for the Determination of Corrosion Rates by A.C. Polarisation Resistance Measurement
US4056445A (en) * 1975-10-10 1977-11-01 Gauntt Wayne M Determination of corrosion rates by an electrochemical method
GB1493695A (en) * 1975-10-11 1977-11-30 Texaco Belgium Nv Sa Measurement of corrosion protection
US4130464A (en) * 1976-05-18 1978-12-19 Tokyo Shibaura Electric Co., Ltd. Method of evaluating the corrosion rates of metals

Also Published As

Publication number Publication date
FR2405482B1 (en) 1982-08-27
DE2844027A1 (en) 1979-04-19
DE2844027C2 (en) 1985-02-28
GB2006437A (en) 1979-05-02
GB2006437B (en) 1982-03-10

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