FR1132219A - Method and device for measuring hardness, especially of non-metallic materials - Google Patents

Method and device for measuring hardness, especially of non-metallic materials

Info

Publication number
FR1132219A
FR1132219A FR1132219DA FR1132219A FR 1132219 A FR1132219 A FR 1132219A FR 1132219D A FR1132219D A FR 1132219DA FR 1132219 A FR1132219 A FR 1132219A
Authority
FR
France
Prior art keywords
metallic materials
measuring hardness
hardness
measuring
metallic
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
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 FR1132219A publication Critical patent/FR1132219A/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)
FR1132219D 1954-10-12 1955-10-10 Method and device for measuring hardness, especially of non-metallic materials Expired FR1132219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1132219X 1954-10-12

Publications (1)

Publication Number Publication Date
FR1132219A true FR1132219A (en) 1957-03-06

Family

ID=11431615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1132219D Expired FR1132219A (en) 1954-10-12 1955-10-10 Method and device for measuring hardness, especially of non-metallic materials

Country Status (1)

Country Link
FR (1) FR1132219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270383A (en) * 1978-11-15 1981-06-02 National Research Development Corporation Method and apparatus for measuring strength characteristics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270383A (en) * 1978-11-15 1981-06-02 National Research Development Corporation Method and apparatus for measuring strength characteristics

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