FR834256A - Device for the magnetic verification of building material using the direct current pulse method - Google Patents

Device for the magnetic verification of building material using the direct current pulse method

Info

Publication number
FR834256A
FR834256A FR834256DA FR834256A FR 834256 A FR834256 A FR 834256A FR 834256D A FR834256D A FR 834256DA FR 834256 A FR834256 A FR 834256A
Authority
FR
France
Prior art keywords
direct current
building material
current pulse
pulse method
magnetic verification
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.)
Expired
Application number
Other languages
French (fr)
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.)
FORDERUNG ZERSTORUNGSFREIER PR
Original Assignee
FORDERUNG ZERSTORUNGSFREIER PR
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 FORDERUNG ZERSTORUNGSFREIER PR filed Critical FORDERUNG ZERSTORUNGSFREIER PR
Application granted granted Critical
Publication of FR834256A publication Critical patent/FR834256A/en
Expired legal-status Critical Current

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
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR834256D 1937-05-04 1938-02-25 Device for the magnetic verification of building material using the direct current pulse method Expired FR834256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE834256X 1937-05-04

Publications (1)

Publication Number Publication Date
FR834256A true FR834256A (en) 1938-11-16

Family

ID=6760630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834256D Expired FR834256A (en) 1937-05-04 1938-02-25 Device for the magnetic verification of building material using the direct current pulse method

Country Status (1)

Country Link
FR (1) FR834256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961244A (en) * 1974-09-11 1976-06-01 Minchom Magnetic Systems Limited Magnetizing means for a magnetic flaw detector including a charging and discharging circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961244A (en) * 1974-09-11 1976-06-01 Minchom Magnetic Systems Limited Magnetizing means for a magnetic flaw detector including a charging and discharging circuit

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