FR1224464A - Instrument for measuring hardness, especially for metals - Google Patents

Instrument for measuring hardness, especially for metals

Info

Publication number
FR1224464A
FR1224464A FR794596A FR794596A FR1224464A FR 1224464 A FR1224464 A FR 1224464A FR 794596 A FR794596 A FR 794596A FR 794596 A FR794596 A FR 794596A FR 1224464 A FR1224464 A FR 1224464A
Authority
FR
France
Prior art keywords
metals
instrument
measuring hardness
hardness
measuring
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
FR794596A
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
Application granted granted Critical
Publication of FR1224464A publication Critical patent/FR1224464A/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

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)
FR794596A 1958-05-13 1959-05-13 Instrument for measuring hardness, especially for metals Expired FR1224464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1224464X 1958-05-13

Publications (1)

Publication Number Publication Date
FR1224464A true FR1224464A (en) 1960-06-24

Family

ID=11433717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794596A Expired FR1224464A (en) 1958-05-13 1959-05-13 Instrument for measuring hardness, especially for metals

Country Status (1)

Country Link
FR (1) FR1224464A (en)

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