FR834080A - Indicateur de dureté - Google Patents

Indicateur de dureté

Info

Publication number
FR834080A
FR834080A FR834080DA FR834080A FR 834080 A FR834080 A FR 834080A FR 834080D A FR834080D A FR 834080DA FR 834080 A FR834080 A FR 834080A
Authority
FR
France
Prior art keywords
hardness indicator
hardness
indicator
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR834080A publication Critical patent/FR834080A/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

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)
FR834080D 1937-02-22 1938-02-21 Indicateur de dureté Expired FR834080A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE834080X 1937-02-22

Publications (1)

Publication Number Publication Date
FR834080A true FR834080A (fr) 1938-11-10

Family

ID=6760567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834080D Expired FR834080A (fr) 1937-02-22 1938-02-21 Indicateur de dureté

Country Status (1)

Country Link
FR (1) FR834080A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564519A (en) * 1944-03-08 1951-08-14 Bergsman Enar Borje Micro-hardness tester
FR2570722A1 (fr) * 1984-09-21 1986-03-28 Cib Element prefabrique pour equipement de voirie du type dit avancee de trottoir

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564519A (en) * 1944-03-08 1951-08-14 Bergsman Enar Borje Micro-hardness tester
FR2570722A1 (fr) * 1984-09-21 1986-03-28 Cib Element prefabrique pour equipement de voirie du type dit avancee de trottoir

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