CH436785A - Method and device for measuring changes in the diameter of a metal wire or in the wall thickness of a metal pipe caused by a corrosive medium - Google Patents

Method and device for measuring changes in the diameter of a metal wire or in the wall thickness of a metal pipe caused by a corrosive medium

Info

Publication number
CH436785A
CH436785A CH440965A CH440965A CH436785A CH 436785 A CH436785 A CH 436785A CH 440965 A CH440965 A CH 440965A CH 440965 A CH440965 A CH 440965A CH 436785 A CH436785 A CH 436785A
Authority
CH
Switzerland
Prior art keywords
diameter
wall thickness
measuring changes
corrosive medium
pipe caused
Prior art date
Application number
CH440965A
Other languages
German (de)
Inventor
Bosselaar Hendrik
Original Assignee
Shell Int Research
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
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of CH436785A publication Critical patent/CH436785A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CH440965A 1964-04-02 1965-03-31 Method and device for measuring changes in the diameter of a metal wire or in the wall thickness of a metal pipe caused by a corrosive medium CH436785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6403501A NL6403501A (en) 1964-04-02 1964-04-02

Publications (1)

Publication Number Publication Date
CH436785A true CH436785A (en) 1967-05-31

Family

ID=19789707

Family Applications (1)

Application Number Title Priority Date Filing Date
CH440965A CH436785A (en) 1964-04-02 1965-03-31 Method and device for measuring changes in the diameter of a metal wire or in the wall thickness of a metal pipe caused by a corrosive medium

Country Status (5)

Country Link
BE (1) BE661856A (en)
CH (1) CH436785A (en)
DE (1) DE1598989A1 (en)
GB (1) GB1070859A (en)
NL (1) NL6403501A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408116A1 (en) * 1977-11-04 1979-06-01 Snecma METHOD OF MEASURING THE THICKNESS OF HOLLOW ROOM WALLS AND THE VOLUME OF CELLARS
US4555665A (en) * 1982-08-04 1985-11-26 Pa Incorporated Magnetic flux method for measuring tubular wall thickness
NZ205098A (en) * 1982-08-06 1997-01-29 Australian Wire Ind Pty Wire, conductive coating on magnetic substrate: thickness determination
GB2140564B (en) * 1983-05-23 1986-10-22 Central Electr Generat Board Cable corrosion monitor
IT1163522B (en) * 1983-06-15 1987-04-08 Cise Spa METER BODY SURFACE AND SUB-SURFACE DEFECTS METER ABOVE CURIE TEMPERATURE
CN102808613B (en) * 2012-08-01 2015-04-29 中国海洋石油总公司 Calibration method of magnetoresistive angle sensor of caliper logging unit

Also Published As

Publication number Publication date
DE1598989A1 (en) 1970-10-29
GB1070859A (en) 1967-06-07
NL6403501A (en) 1965-10-04
BE661856A (en) 1965-09-30

Similar Documents

Publication Publication Date Title
CH538955A (en) Device for determining the passage of a metal object
CH491317A (en) Method for sealing a leaky metal pipe and device for carrying out the method
CH551629A (en) METHOD OF MEASURING THE DISTANCE FROM AND THE SPEED COMPONENT OF AN OBJECT PERPERTICALLY TO A REFERENCE PLANE.
CH532433A (en) Method and device for corrugating a pipe
DE1908881B2 (en) METHOD AND DEVICE FOR MEASURING THE DIMENSIONS OF A LIQUID OR THE CHANGING VOLUME OF A METALLIC INNER CONTAINER IN A METALLIC OUTER CONTAINER
AT280018B (en) Device for profiling the surface of a metallic workpiece by rolling
AT283844B (en) Method of controlling the thickness of a metal coating
CH523489A (en) Method for calibrating a coating thickness measuring device and device for carrying out this method
CH546390A (en) METHOD AND DEVICE FOR DETERMINING THE PASSAGE OF A FLOOR THROUGH A LIMITED SPACE.
CH479050A (en) Method and device for measuring or checking the dimensions of an elongate object
CH497684A (en) Method and device for measuring errors in the flank profile of workpieces
AT255225B (en) Method and device for vacuum coating objects by cathodic sputtering
CH506069A (en) Method and device for measuring the proportion or partial pressure of a component in a gas mixture
CH436785A (en) Method and device for measuring changes in the diameter of a metal wire or in the wall thickness of a metal pipe caused by a corrosive medium
AT295063B (en) Device for regulating the flow rate of a liquid metal
CH550381A (en) METHOD OF MEASURING A DIMENSION OF A WORKPIECE AND DEVICE FOR CARRYING OUT THIS METHOD.
CH397399A (en) Method and device for maintaining a predetermined ratio between the final value of the specific gravity of a liquid and the initial value of its specific gravity in systems with heating of the liquid by direct merging with water vapor
CH467459A (en) Method for evaluating the radioactivity of measuring probes and device for carrying out the method
AT328716B (en) DEVICE FOR CONTINUOUS APPLICATION OF AN INSULATING SLEEVE TO A BENDING METAL OR. STEEL PIPE
CH453032A (en) Process for preventing erosion corrosion on metallic surfaces
CH482195A (en) Measuring method for inductive measurement of the flow velocity of a medium and measuring arrangement for carrying out the method
AT260624B (en) Method for operating one or more pulsating combustion tubes and device for carrying out the method
CH464019A (en) Method for regulating the thickness of a liquid curtain, especially a lacquer curtain, and device for carrying out this method
DE2208480B2 (en) METHOD AND DEVICE FOR MEASURING THE LENGTH OF A LONG ELEVATED MAGNETIZABLE OBJECT
CH499108A (en) Method for potentiometric measurement of a liquid and device for carrying out the method