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FR844261A - Method and apparatus for measuring the degree of case-hardening in case-hardened steels - Google Patents

Method and apparatus for measuring the degree of case-hardening in case-hardened steels

Info

Publication number
FR844261A
FR844261A FR844261DA FR844261A FR 844261 A FR844261 A FR 844261A FR 844261D A FR844261D A FR 844261DA FR 844261 A FR844261 A FR 844261A
Authority
FR
France
Prior art keywords
case
hardening
measuring
degree
hardened steels
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.)
GUSTAV SCHLICK GmbH
Original Assignee
GUSTAV SCHLICK GmbH
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 GUSTAV SCHLICK GmbH filed Critical GUSTAV SCHLICK GmbH
Application granted granted Critical
Publication of FR844261A publication Critical patent/FR844261A/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
    • G01N27/80—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material

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)
FR844261D 1938-05-05 1938-10-03 Method and apparatus for measuring the degree of case-hardening in case-hardened steels Expired FR844261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE844261X 1938-05-05

Publications (1)

Publication Number Publication Date
FR844261A true FR844261A (en) 1939-07-21

Family

ID=6774433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844261D Expired FR844261A (en) 1938-05-05 1938-10-03 Method and apparatus for measuring the degree of case-hardening in case-hardened steels

Country Status (1)

Country Link
FR (1) FR844261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255405A (en) * 1961-04-07 1966-06-07 Trw Inc Apparatus for measuring the electrical conductivity of a sample

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255405A (en) * 1961-04-07 1966-06-07 Trw Inc Apparatus for measuring the electrical conductivity of a sample

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