FR503820A - Method and device for checking the hardness of metal parts - Google Patents

Method and device for checking the hardness of metal parts

Info

Publication number
FR503820A
FR503820A FR503820A FR503820DA FR503820A FR 503820 A FR503820 A FR 503820A FR 503820 A FR503820 A FR 503820A FR 503820D A FR503820D A FR 503820DA FR 503820 A FR503820 A FR 503820A
Authority
FR
France
Prior art keywords
hardness
checking
metal parts
metal
parts
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
FR503820A
Other languages
French (fr)
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.)
Schneider Electric SE
Original Assignee
Schneider et Cie
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 Schneider et Cie filed Critical Schneider et Cie
Application granted granted Critical
Publication of FR503820A publication Critical patent/FR503820A/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)
FR503820A 1917-11-07 1917-11-07 Method and device for checking the hardness of metal parts Expired FR503820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503820T 1917-11-07

Publications (1)

Publication Number Publication Date
FR503820A true FR503820A (en) 1920-06-18

Family

ID=8907376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503820A Expired FR503820A (en) 1917-11-07 1917-11-07 Method and device for checking the hardness of metal parts

Country Status (1)

Country Link
FR (1) FR503820A (en)

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