FI813161L - Saett att definiera utmattningshaollfasthet hos ferromagnetiskt material utan att bryta materialet - Google Patents

Saett att definiera utmattningshaollfasthet hos ferromagnetiskt material utan att bryta materialet

Info

Publication number
FI813161L
FI813161L FI813161A FI813161DA FI813161L FI 813161 L FI813161 L FI 813161L FI 813161 A FI813161 A FI 813161A FI 813161D A FI813161D A FI 813161DA FI 813161 L FI813161 L FI 813161L
Authority
FI
Finland
Prior art keywords
att
utmattningshaollfasthet
ferromagnetiskt
definiera
bryta
Prior art date
Application number
FI813161A
Other languages
English (en)
Inventor
Pekka Ruuskanen
Pentti Kettunen
Original Assignee
Pekka Ruuskanen
Pentti Kettunen
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.)
Publication date
Priority claimed from PCT/FI1981/000086 external-priority patent/WO1983001836A1/en
Publication of FI813161L publication Critical patent/FI813161L/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/725—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables by using magneto-acoustical effects or the Barkhausen effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02863—Electric or magnetic parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FI813161A 1981-11-18 Saett att definiera utmattningshaollfasthet hos ferromagnetiskt material utan att bryta materialet FI813161L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI1981/000086 WO1983001836A1 (en) 1980-05-20 1981-11-18 Method for measuring fatigue strength of ferromagnetic materials non-destructively

Publications (1)

Publication Number Publication Date
FI813161L true FI813161L (fi) 1981-11-21

Family

ID=8556297

Family Applications (1)

Application Number Title Priority Date Filing Date
FI813161A FI813161L (fi) 1981-11-18 Saett att definiera utmattningshaollfasthet hos ferromagnetiskt material utan att bryta materialet

Country Status (6)

Country Link
US (1) US4689558A (fi)
JP (1) JPS58501966A (fi)
CA (1) CA1185659A (fi)
DE (1) DE3153050T1 (fi)
FI (1) FI813161L (fi)
GB (1) GB2120385B (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109195A (en) * 1988-06-23 1992-04-28 Allison Sidney G Magneto acoustic emission method for testing materials for embrittlement
US4912411A (en) * 1988-06-23 1990-03-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Magneto acoustic emission apparatus for testing materials for embrittlement
US5008621A (en) * 1989-04-14 1991-04-16 Iowa State University Research Foundation, Inc. Multiparameter magnetic inspection system with magnetic field control and plural magnetic transducers
US5012189A (en) * 1989-05-22 1991-04-30 Iowa State University Research Foundation, Inc. Method for deriving information regarding stress from a stressed ferromagnetic material
US5164669A (en) * 1990-07-23 1992-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of characterizing residual stress in ferromagnetic materials using a pulse histogram of acoustic emission signals
US5166613A (en) * 1990-11-06 1992-11-24 Southwest Research Institute Method and apparatus for mapping stress within ferrromagnetic materials by analyzing Barkhausen noise formed by the introduction of magnetic fields
US5313405A (en) * 1991-09-04 1994-05-17 Iowa State University Research Foundation, Inc. System and method for non-destructive evaluation of surface characteristics of a magnetic material
US5698977A (en) * 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
US5565773A (en) * 1993-11-05 1996-10-15 Nippon Steel Corporation Arrangement of excitation and detection heads for detecting the magnetic properties of an object
US5619135A (en) * 1995-07-17 1997-04-08 American Iron And Steel Institute Steel characteristics measurement system using Barkhausen jump sum rate and magnetic field intensity and method of using same
US5767671A (en) * 1996-04-25 1998-06-16 Halliburton Company Method of testing the lifeline of coiled tubing
US6073493A (en) * 1997-01-10 2000-06-13 Nippon Steel Corporation Method of diagnosing fatigue life of structural steelwork and a member of steelwork having life diagnostic function
US6305229B1 (en) 1997-12-23 2001-10-23 Tanaka Systems Incorporated Detecting fatigue from magnetic characteristics
CN102928502B (zh) * 2012-10-22 2015-04-08 重庆交通大学 便携式磁性金属疲劳检测仪
CN112393987B (zh) * 2020-05-29 2024-08-09 中国人民解放军陆军装甲兵学院 一种脉冲磁场处理对传动齿轮疲劳性能影响的分析方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427872A (en) * 1966-10-05 1969-02-18 Southwest Res Inst Method and system for investigating the stress condition of magnetic materials
FI762986A (fi) * 1976-10-20 1978-04-21 Kajaani Oy Foerfarande foer maetning av fel i magnetiskt material

Also Published As

Publication number Publication date
CA1185659A (en) 1985-04-16
GB2120385B (en) 1985-07-31
US4689558A (en) 1987-08-25
GB8318424D0 (en) 1983-08-10
JPS58501966A (ja) 1983-11-17
DE3153050T1 (de) 1983-12-29
GB2120385A (en) 1983-11-30

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