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FR1541826A - Hardness meter - Google Patents

Hardness meter

Info

Publication number
FR1541826A
FR1541826A FR122942A FR122942A FR1541826A FR 1541826 A FR1541826 A FR 1541826A FR 122942 A FR122942 A FR 122942A FR 122942 A FR122942 A FR 122942A FR 1541826 A FR1541826 A FR 1541826A
Authority
FR
France
Prior art keywords
hardness meter
hardness
meter
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
FR122942A
Other languages
French (fr)
Inventor
Riccardo Affri
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 FR122942A priority Critical patent/FR1541826A/en
Application granted granted Critical
Publication of FR1541826A publication Critical patent/FR1541826A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40Investigating hardness or rebound hardness
    • G01N3/42Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G01N3/44Investigating 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)
FR122942A 1967-10-02 1967-10-02 Hardness meter Expired FR1541826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR122942A FR1541826A (en) 1967-10-02 1967-10-02 Hardness meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR122942A FR1541826A (en) 1967-10-02 1967-10-02 Hardness meter

Publications (1)

Publication Number Publication Date
FR1541826A true FR1541826A (en) 1968-10-11

Family

ID=8639342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR122942A Expired FR1541826A (en) 1967-10-02 1967-10-02 Hardness meter

Country Status (1)

Country Link
FR (1) FR1541826A (en)

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