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FI812358A7 - Method for testing the hardness of a material and implementing the mandrel method. - Google Patents

Method for testing the hardness of a material and implementing the mandrel method. Download PDF

Info

Publication number
FI812358A7
FI812358A7 FI812358A FI812358A FI812358A7 FI 812358 A7 FI812358 A7 FI 812358A7 FI 812358 A FI812358 A FI 812358A FI 812358 A FI812358 A FI 812358A FI 812358 A7 FI812358 A7 FI 812358A7
Authority
FI
Finland
Prior art keywords
hardness
implementing
testing
mandrel
mandrel method
Prior art date
Application number
FI812358A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI812358L (en
Inventor
Illar Toomingas
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI812358A7 publication Critical patent/FI812358A7/en
Publication of FI812358L publication Critical patent/FI812358L/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)
FI812358A 1979-12-05 1980-12-03 SAETT ATT PROVA MATERIALHAORDHET OCH PROVKROPP FOER UTFOERANDE AV SAETTET FI812358L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7910034A SE7910034L (en) 1979-12-05 1979-12-05 SET TO TEST MATERIAL HARDNESS AND TEST BODY TO EXECUTE SET
PCT/SE1980/000313 WO1981001614A1 (en) 1979-12-05 1980-12-03 A method of testing material hardness and an indentor for carrying out the method

Publications (2)

Publication Number Publication Date
FI812358A7 true FI812358A7 (en) 1981-07-28
FI812358L FI812358L (en) 1981-07-28

Family

ID=20339479

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812358A FI812358L (en) 1979-12-05 1980-12-03 SAETT ATT PROVA MATERIALHAORDHET OCH PROVKROPP FOER UTFOERANDE AV SAETTET

Country Status (7)

Country Link
EP (1) EP0041969A1 (en)
JP (1) JPS56501691A (en)
BE (1) BE886489A (en)
FI (1) FI812358L (en)
NO (1) NO812550L (en)
SE (1) SE7910034L (en)
WO (1) WO1981001614A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789681A (en) * 1997-02-07 1998-08-04 Datron Inc. Arresting material test apparatus and methods
RU2488806C1 (en) * 2012-02-24 2013-07-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Method of material specimen plastic strength determination
CN103196764A (en) * 2013-04-07 2013-07-10 山西太钢不锈钢股份有限公司 Rockwell hardness judging method of thin-specification Cr-Ni system austenite stainless steel plate
CN116929973B (en) * 2023-09-18 2023-11-21 江苏润鼎智能装备科技有限公司 Aerated concrete body hardness detection device

Also Published As

Publication number Publication date
SE7910034L (en) 1981-06-06
FI812358L (en) 1981-07-28
EP0041969A1 (en) 1981-12-23
NO812550L (en) 1981-07-24
BE886489A (en) 1981-04-01
WO1981001614A1 (en) 1981-06-11
JPS56501691A (en) 1981-11-19

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Legal Events

Date Code Title Description
FA Application withdrawn [patent]

Owner name: OY L M ERICSSON AB