IT974181B - HARDNESS TESTING MACHINE - Google Patents

HARDNESS TESTING MACHINE

Info

Publication number
IT974181B
IT974181B IT54858/72A IT5485872A IT974181B IT 974181 B IT974181 B IT 974181B IT 54858/72 A IT54858/72 A IT 54858/72A IT 5485872 A IT5485872 A IT 5485872A IT 974181 B IT974181 B IT 974181B
Authority
IT
Italy
Prior art keywords
testing machine
hardness testing
hardness
machine
testing
Prior art date
Application number
IT54858/72A
Other languages
Italian (it)
Original Assignee
Skf Cie Applic Mecanique
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 Skf Cie Applic Mecanique filed Critical Skf Cie Applic Mecanique
Application granted granted Critical
Publication of IT974181B publication Critical patent/IT974181B/en

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
    • G01N3/44—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system

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)
IT54858/72A 1971-12-21 1972-12-19 HARDNESS TESTING MACHINE IT974181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7145860A FR2165164A5 (en) 1971-12-21 1971-12-21

Publications (1)

Publication Number Publication Date
IT974181B true IT974181B (en) 1974-06-20

Family

ID=9087767

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54858/72A IT974181B (en) 1971-12-21 1972-12-19 HARDNESS TESTING MACHINE

Country Status (5)

Country Link
US (1) US3855848A (en)
DE (1) DE2260614B2 (en)
FR (1) FR2165164A5 (en)
GB (1) GB1385940A (en)
IT (1) IT974181B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1561732A (en) * 1975-10-16 1980-02-27 Sidaway J Hardnesstesting machine
GB1524601A (en) * 1976-03-16 1978-09-13 Monsanto Ltd Hardness tester
CH612758A5 (en) * 1977-03-25 1979-08-15 Alfred Ernst
DE3737461C2 (en) * 1987-11-05 1997-06-19 Helmut Fischer Gmbh & Co Guide device for a test piece of a hardness measuring device
AT398850B (en) * 1989-12-07 1995-02-27 Emco Maier Gmbh PENETRATION HARDNESS TESTER
US5133210A (en) * 1990-02-06 1992-07-28 The University Of Maryland Thermal expansion driven indentation stress-strain system
US7454960B2 (en) * 2003-09-26 2008-11-25 Erik Ernst Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvil
US20130247645A1 (en) * 2012-03-26 2013-09-26 Matsuzawa Co., Ltd. Hardness tester and hardness testing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1141881A (en) * 1909-08-20 1915-06-01 Tinius Olsen Testing Mach Co Machine for testing hardness.
US1646195A (en) * 1926-05-29 1927-10-18 Howard M German Hardness-testing machine and method of testing hardness
US2333747A (en) * 1941-07-18 1943-11-09 Wilson Mechanical Instr Co Inc Hardness tester
DE919437C (en) * 1951-02-11 1954-10-21 Alex Geiger Maschinenfabrik Hardness testing device for carrying out the depth difference measurement method
US3416367A (en) * 1965-04-15 1968-12-17 Ernst Alfred Hardness measuring apparatus
US3443422A (en) * 1965-10-04 1969-05-13 Ametek Inc Testing machine

Also Published As

Publication number Publication date
DE2260614B2 (en) 1974-03-21
FR2165164A5 (en) 1973-08-03
DE2260614A1 (en) 1973-07-05
US3855848A (en) 1974-12-24
GB1385940A (en) 1975-03-05

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