FR1472545A - Device for measuring the hardness of materials - Google Patents

Device for measuring the hardness of materials

Info

Publication number
FR1472545A
FR1472545A FR54871A FR54871A FR1472545A FR 1472545 A FR1472545 A FR 1472545A FR 54871 A FR54871 A FR 54871A FR 54871 A FR54871 A FR 54871A FR 1472545 A FR1472545 A FR 1472545A
Authority
FR
France
Prior art keywords
hardness
measuring
materials
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
FR54871A
Other languages
French (fr)
Inventor
Alfred Ernst
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 filed Critical
Priority to FR54871A priority Critical patent/FR1472545A/en
Application granted granted Critical
Publication of FR1472545A publication Critical patent/FR1472545A/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
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G01N3/44—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR54871A 1966-03-24 1966-03-24 Device for measuring the hardness of materials Expired FR1472545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR54871A FR1472545A (en) 1966-03-24 1966-03-24 Device for measuring the hardness of materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR54871A FR1472545A (en) 1966-03-24 1966-03-24 Device for measuring the hardness of materials

Publications (1)

Publication Number Publication Date
FR1472545A true FR1472545A (en) 1967-03-10

Family

ID=8604608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR54871A Expired FR1472545A (en) 1966-03-24 1966-03-24 Device for measuring the hardness of materials

Country Status (1)

Country Link
FR (1) FR1472545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385094A1 (en) * 1977-03-25 1978-10-20 Ernst Alfred SEAL INTENDED FOR SUSPENSION AND TRANSMISSION OF THE APPLIED LOAD IN HARDNESS MEASURES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385094A1 (en) * 1977-03-25 1978-10-20 Ernst Alfred SEAL INTENDED FOR SUSPENSION AND TRANSMISSION OF THE APPLIED LOAD IN HARDNESS MEASURES

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