FR905993A - Appareil d'essai de dureté - Google Patents

Appareil d'essai de dureté

Info

Publication number
FR905993A
FR905993A FR905993DA FR905993A FR 905993 A FR905993 A FR 905993A FR 905993D A FR905993D A FR 905993DA FR 905993 A FR905993 A FR 905993A
Authority
FR
France
Prior art keywords
hardness tester
tester
hardness
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
English (en)
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.)
CE Johansson AB
Original Assignee
CE Johansson AB
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 CE Johansson AB filed Critical CE Johansson AB
Application granted granted Critical
Publication of FR905993A publication Critical patent/FR905993A/fr
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)
FR905993D 1942-10-07 1944-06-15 Appareil d'essai de dureté Expired FR905993A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE905993X 1942-10-07

Publications (1)

Publication Number Publication Date
FR905993A true FR905993A (fr) 1945-12-19

Family

ID=20381431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR905993D Expired FR905993A (fr) 1942-10-07 1944-06-15 Appareil d'essai de dureté

Country Status (1)

Country Link
FR (1) FR905993A (fr)

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