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JPS57125803A - Method for measuring strain of sample surface - Google Patents

Method for measuring strain of sample surface

Info

Publication number
JPS57125803A
JPS57125803A JP1217181A JP1217181A JPS57125803A JP S57125803 A JPS57125803 A JP S57125803A JP 1217181 A JP1217181 A JP 1217181A JP 1217181 A JP1217181 A JP 1217181A JP S57125803 A JPS57125803 A JP S57125803A
Authority
JP
Japan
Prior art keywords
grid
sample
negative plate
sample surface
vapor
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.)
Pending
Application number
JP1217181A
Other languages
Japanese (ja)
Inventor
Shoichi Nakane
Tatsuya Murachi
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.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co Ltd
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 Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Priority to JP1217181A priority Critical patent/JPS57125803A/en
Publication of JPS57125803A publication Critical patent/JPS57125803A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE:To measure a strain precisely, by forming a transparent coating film, which adheres well to a sample surface and follows well it, on the surface of a grid pattern which is formed on the sample surface by a thin metallic film. CONSTITUTION:A metallic screen sheet is cut to a proper size to prepare a grid negative plate 1. In this case, a screen sheet which is made from nickel and has a grid interval L0=0.1mm. (250 mesh) is used. The grid negative plate 1 is put on the surface of a sample 2 closely, and the peripheral part of the grid negative plate 1 is fixed by an adhesive tape or the like, and metals such as Al and Au are vapor-deposited in vacuum to form a vapor-deposited film 5. The grid negative plate 1 is exfoliated to form a negative grid pattern, where the vapor- deposited film 5 is stuck to parts other than grid parts 3, on the sample surface. A transparent coating film 6 which adheres well to the sample surface and follows well it is formed on the surface of this grid pattern. An external force (tension or compression) is applied to the sample with the grid pattern formed to deform the sample, and grid intervals (l0) and (l) before deformation and after deformation are measured through photography by a plant microscope or the like, thus obtaining the strain.
JP1217181A 1981-01-29 1981-01-29 Method for measuring strain of sample surface Pending JPS57125803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1217181A JPS57125803A (en) 1981-01-29 1981-01-29 Method for measuring strain of sample surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1217181A JPS57125803A (en) 1981-01-29 1981-01-29 Method for measuring strain of sample surface

Publications (1)

Publication Number Publication Date
JPS57125803A true JPS57125803A (en) 1982-08-05

Family

ID=11797982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1217181A Pending JPS57125803A (en) 1981-01-29 1981-01-29 Method for measuring strain of sample surface

Country Status (1)

Country Link
JP (1) JPS57125803A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298606A (en) * 1988-10-05 1990-04-11 Shimizu Corp How to measure cracks in concrete parts
JPH02198306A (en) * 1989-01-28 1990-08-06 Shimizu Corp Method for measuring in-plane displacement of concrete members
WO2000042382A1 (en) * 1999-01-15 2000-07-20 N.V. Kema Method and apparatus for measuring of displacements within a plane
JP2000301657A (en) * 1999-04-23 2000-10-31 Yokohama Rubber Co Ltd:The Rubber laminate
WO2004018965A1 (en) * 2002-08-20 2004-03-04 Reginald Vachon Compressed symbology strain gauge
JP2004317316A (en) * 2003-04-16 2004-11-11 Yokohama Rubber Co Ltd:The Sheet for measuring surface strain of rubber product, method of measuring surface strain of rubber product, sheet for measuring surface strain of rubber tire, and method of measuring surface strain of rubber tire
US6874370B1 (en) 2004-07-15 2005-04-05 Reginald I. Vachon Finite element analysis fatigue gage
US7533818B2 (en) 2005-06-28 2009-05-19 Direct Measurements Inc. Binary code symbol for non-linear strain measurement and apparatus and method for analyzing and measuring strain therewith
JP2013076684A (en) * 2011-09-30 2013-04-25 Fujitsu Ltd Squeegee observation device and squeegee observation method
JP2015199281A (en) * 2014-04-09 2015-11-12 横浜ゴム株式会社 Extrusion molding apparatus and extrusion molding method
JP2015199282A (en) * 2014-04-09 2015-11-12 横浜ゴム株式会社 Apparatus and method for processing rubber sheet
JP2015202623A (en) * 2014-04-14 2015-11-16 横浜ゴム株式会社 Method for measuring strain of extruded product
CN105403135A (en) * 2015-11-18 2016-03-16 重庆市彭洲混凝土有限公司 Simple detection apparatus of deformation of concrete slope construction

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298606A (en) * 1988-10-05 1990-04-11 Shimizu Corp How to measure cracks in concrete parts
JPH02198306A (en) * 1989-01-28 1990-08-06 Shimizu Corp Method for measuring in-plane displacement of concrete members
WO2000042382A1 (en) * 1999-01-15 2000-07-20 N.V. Kema Method and apparatus for measuring of displacements within a plane
JP2000301657A (en) * 1999-04-23 2000-10-31 Yokohama Rubber Co Ltd:The Rubber laminate
JP2005536739A (en) * 2002-08-20 2005-12-02 レジナルド ヴァーション Compression symbol strain gauge
WO2004018965A1 (en) * 2002-08-20 2004-03-04 Reginald Vachon Compressed symbology strain gauge
US6934013B2 (en) 2002-08-20 2005-08-23 Reginald Vachon Compressed symbology strain gage
JP2004317316A (en) * 2003-04-16 2004-11-11 Yokohama Rubber Co Ltd:The Sheet for measuring surface strain of rubber product, method of measuring surface strain of rubber product, sheet for measuring surface strain of rubber tire, and method of measuring surface strain of rubber tire
US6874370B1 (en) 2004-07-15 2005-04-05 Reginald I. Vachon Finite element analysis fatigue gage
US7533818B2 (en) 2005-06-28 2009-05-19 Direct Measurements Inc. Binary code symbol for non-linear strain measurement and apparatus and method for analyzing and measuring strain therewith
JP2013076684A (en) * 2011-09-30 2013-04-25 Fujitsu Ltd Squeegee observation device and squeegee observation method
JP2015199281A (en) * 2014-04-09 2015-11-12 横浜ゴム株式会社 Extrusion molding apparatus and extrusion molding method
JP2015199282A (en) * 2014-04-09 2015-11-12 横浜ゴム株式会社 Apparatus and method for processing rubber sheet
JP2015202623A (en) * 2014-04-14 2015-11-16 横浜ゴム株式会社 Method for measuring strain of extruded product
CN105403135A (en) * 2015-11-18 2016-03-16 重庆市彭洲混凝土有限公司 Simple detection apparatus of deformation of concrete slope construction

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