FR46728E - Machine for testing the hardness of metals, especially hard metals or thin blades - Google Patents

Machine for testing the hardness of metals, especially hard metals or thin blades

Info

Publication number
FR46728E
FR46728E FR46728DA FR46728E FR 46728 E FR46728 E FR 46728E FR 46728D A FR46728D A FR 46728DA FR 46728 E FR46728 E FR 46728E
Authority
FR
France
Prior art keywords
metals
hardness
testing
machine
especially hard
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
Rene Georges Guillery
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 FR46728E publication Critical patent/FR46728E/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)
FR46728D 1935-04-12 1935-04-12 Machine for testing the hardness of metals, especially hard metals or thin blades Expired FR46728E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46728T 1935-04-12

Publications (1)

Publication Number Publication Date
FR46728E true FR46728E (en) 1936-08-10

Family

ID=8682312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46728D Expired FR46728E (en) 1935-04-12 1935-04-12 Machine for testing the hardness of metals, especially hard metals or thin blades

Country Status (1)

Country Link
FR (1) FR46728E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678824A (en) * 2020-07-10 2020-09-18 陕西航空电气有限责任公司 Metal sheet microhardness detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678824A (en) * 2020-07-10 2020-09-18 陕西航空电气有限责任公司 Metal sheet microhardness detection method

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