FR570167A - Improvements to processes and apparatus for testing the hardness of metals and other materials - Google Patents

Improvements to processes and apparatus for testing the hardness of metals and other materials

Info

Publication number
FR570167A
FR570167A FR570167DA FR570167A FR 570167 A FR570167 A FR 570167A FR 570167D A FR570167D A FR 570167DA FR 570167 A FR570167 A FR 570167A
Authority
FR
France
Prior art keywords
hardness
metals
testing
processes
materials
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
Edward Geisler Herbert
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 FR570167A publication Critical patent/FR570167A/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
    • G01N3/50—Investigating hardness or rebound hardness by measuring rolling friction, e.g. by rocking pendulum
FR570167D 1922-09-07 1923-08-27 Improvements to processes and apparatus for testing the hardness of metals and other materials Expired FR570167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB570167X 1922-09-07

Publications (1)

Publication Number Publication Date
FR570167A true FR570167A (en) 1924-04-24

Family

ID=10478142

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570167D Expired FR570167A (en) 1922-09-07 1923-08-27 Improvements to processes and apparatus for testing the hardness of metals and other materials

Country Status (1)

Country Link
FR (1) FR570167A (en)

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