FR503711A - Improvements to devices for testing the hardness of materials - Google Patents

Improvements to devices for testing the hardness of materials

Info

Publication number
FR503711A
FR503711A FR503711A FR503711DA FR503711A FR 503711 A FR503711 A FR 503711A FR 503711 A FR503711 A FR 503711A FR 503711D A FR503711D A FR 503711DA FR 503711 A FR503711 A FR 503711A
Authority
FR
France
Prior art keywords
hardness
testing
materials
devices
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
FR503711A
Other languages
French (fr)
Inventor
Lawrence Johnson
Harry Brearley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR503711A publication Critical patent/FR503711A/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)
FR503711A 1919-02-08 1919-09-11 Improvements to devices for testing the hardness of materials Expired FR503711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB503711X 1919-02-08

Publications (1)

Publication Number Publication Date
FR503711A true FR503711A (en) 1920-06-16

Family

ID=10455669

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503711A Expired FR503711A (en) 1919-02-08 1919-09-11 Improvements to devices for testing the hardness of materials

Country Status (1)

Country Link
FR (1) FR503711A (en)

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