CA936236A - Method and apparatus for measuring stresses in ferromagnetic materials - Google Patents

Method and apparatus for measuring stresses in ferromagnetic materials

Info

Publication number
CA936236A
CA936236A CA100289A CA100289A CA936236A CA 936236 A CA936236 A CA 936236A CA 100289 A CA100289 A CA 100289A CA 100289 A CA100289 A CA 100289A CA 936236 A CA936236 A CA 936236A
Authority
CA
Canada
Prior art keywords
ferromagnetic materials
measuring stresses
stresses
measuring
ferromagnetic
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
CA100289A
Other languages
English (en)
Other versions
CA100289S (en
Inventor
R. Dahm John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jones and Laughlin Steel Corp
Original Assignee
Jones and Laughlin Steel Corp
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 Jones and Laughlin Steel Corp filed Critical Jones and Laughlin Steel Corp
Application granted granted Critical
Publication of CA936236A publication Critical patent/CA936236A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/045—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands for measuring the tension across the width of a band-shaped flexible member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
    • G01L1/125—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
    • G01L1/127—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using inductive means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA100289A 1969-12-10 1970-12-10 Method and apparatus for measuring stresses in ferromagnetic materials Expired CA936236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88397569A 1969-12-10 1969-12-10

Publications (1)

Publication Number Publication Date
CA936236A true CA936236A (en) 1973-10-30

Family

ID=25383699

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100289A Expired CA936236A (en) 1969-12-10 1970-12-10 Method and apparatus for measuring stresses in ferromagnetic materials

Country Status (8)

Country Link
US (1) US3798537A (xx)
JP (1) JPS5038344B1 (xx)
BE (1) BE760080A (xx)
CA (1) CA936236A (xx)
DE (1) DE2060725A1 (xx)
FR (1) FR2073752A5 (xx)
NL (1) NL7017876A (xx)
ZA (1) ZA708355B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE385406B (sv) * 1974-10-25 1976-06-28 Asea Ab Forfarande for framstellning av en magnetoelastisk givare
SE388481B (sv) * 1975-01-24 1976-10-04 Asea Ab Anordning for bandplanhetsmetning vid kallvalsning av magnetiskt material
DE2966744D1 (en) * 1979-05-07 1984-04-12 Magyar Tudomanyos Akademia Apparatus for the contactless measuring of elastic stress in a ferromagnetic material
HU182766B (en) * 1981-04-29 1984-03-28 Mta Mueszaki Fiz Kutato Inteze Measuring apparatus and system for measuring mechanical stress state of a ferromagnetic plate without touch
JPS58116392U (ja) * 1982-02-01 1983-08-09 日本マランツ株式会社 マイクロホン用残響アダプタ
JPS60243526A (ja) * 1984-05-18 1985-12-03 Japanese National Railways<Jnr> レ−ル軸力測定装置
US4566338A (en) * 1984-07-20 1986-01-28 Trw Inc. Noncontact torque sensor
WO1989001613A1 (en) * 1987-08-10 1989-02-23 Hutchinson Ian Nigel Non-destructive determination of stress characteristics in magnetic materials
EP0372112A1 (de) * 1988-12-07 1990-06-13 Siemens Aktiengesellschaft Verfahren und Einrichtung zur Messung mechanischer Eigenspannungen eines ferromagnetischen Körpers
DE19749907C1 (de) * 1997-11-11 1999-10-14 Suspa Spannbeton Gmbh Verfahren und Vorrichtung zur Bestimmung von Zug- oder Druckspannungen in einem ferromagnetischen Element, insbesondere einem Spann-, Zug- oder Druckglied für das Bauwesen
US7243557B2 (en) * 2003-12-30 2007-07-17 Nctengineering Gmbh Torque sensor
DE102011081869A1 (de) 2011-08-31 2013-02-28 Siemens Aktiengesellschaft Messkopf für einen magnetoelastischen Sensor
EP2789998B1 (en) * 2013-04-08 2015-06-10 Bayern Engineering GmbH & Co. KG Transport rail system with weighing means
US9429488B2 (en) * 2014-04-10 2016-08-30 General Electric Company System and method of magnetic shielding for sensors
US10094720B2 (en) 2014-04-10 2018-10-09 General Electric Company System and method of magnetic shielding for sensors
US10557758B2 (en) * 2017-05-17 2020-02-11 General Electric Company Non-contact magnetostrictive sensor with gap compensation field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2370545A (en) * 1943-09-03 1945-02-27 Singer Mfg Co Surgical stitching instrument for eye and plastic surgery
US3535625A (en) * 1968-04-22 1970-10-20 Garrett Corp Strain and flaw detector

Also Published As

Publication number Publication date
FR2073752A5 (xx) 1971-10-01
BE760080A (fr) 1971-05-17
JPS5038344B1 (xx) 1975-12-09
DE2060725A1 (de) 1971-06-16
ZA708355B (en) 1971-09-29
NL7017876A (xx) 1971-06-14
US3798537A (en) 1974-03-19

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