DE312121C - - Google Patents

Info

Publication number
DE312121C
DE312121C DENDAT312121D DE312121DA DE312121C DE 312121 C DE312121 C DE 312121C DE NDAT312121 D DENDAT312121 D DE NDAT312121D DE 312121D A DE312121D A DE 312121DA DE 312121 C DE312121 C DE 312121C
Authority
DE
Germany
Prior art keywords
spring
ball pressure
testing apparatus
ball
pressure testing
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.)
Active
Application number
DENDAT312121D
Other languages
German (de)
English (en)
Publication of DE312121C publication Critical patent/DE312121C/de
Active 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)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
DENDAT312121D Active DE312121C (cs)

Publications (1)

Publication Number Publication Date
DE312121C true DE312121C (cs)

Family

ID=565072

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT312121D Active DE312121C (cs)

Country Status (1)

Country Link
DE (1) DE312121C (cs)

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