SE464597B - Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper - Google Patents

Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper

Info

Publication number
SE464597B
SE464597B SE9001162A SE9001162A SE464597B SE 464597 B SE464597 B SE 464597B SE 9001162 A SE9001162 A SE 9001162A SE 9001162 A SE9001162 A SE 9001162A SE 464597 B SE464597 B SE 464597B
Authority
SE
Sweden
Prior art keywords
unit
excitation
local
detection unit
laser
Prior art date
Application number
SE9001162A
Other languages
English (en)
Swedish (sv)
Other versions
SE9001162A (ja
SE9001162D0 (sv
Inventor
Thorulf Pettersson
Original Assignee
Svenska Traeforskningsinst
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 Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst
Priority to SE9001162A priority Critical patent/SE464597B/sv
Publication of SE9001162D0 publication Critical patent/SE9001162D0/xx
Priority to DE69113950T priority patent/DE69113950T2/de
Priority to JP03507066A priority patent/JP3096304B2/ja
Priority to PCT/SE1991/000222 priority patent/WO1991015764A1/en
Priority to CA002056399A priority patent/CA2056399C/en
Priority to AT91907461T priority patent/ATE129344T1/de
Priority to EP91907461A priority patent/EP0479979B1/en
Publication of SE9001162A publication Critical patent/SE9001162A/xx
Publication of SE464597B publication Critical patent/SE464597B/sv
Priority to US08/150,259 priority patent/US5361638A/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
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G01N2203/0051—Piezoelectric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0055—Generation of the force using mechanical waves, e.g. acoustic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
    • 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
    • G01N2291/023—Solids
    • G01N2291/0237—Thin materials, e.g. paper, membranes, thin films
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
SE9001162A 1990-03-30 1990-03-30 Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper SE464597B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9001162A SE464597B (sv) 1990-03-30 1990-03-30 Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper
DE69113950T DE69113950T2 (de) 1990-03-30 1991-03-21 Vorrichtung zur messung mechanischer eigenschaften eines folienförmigen materials.
JP03507066A JP3096304B2 (ja) 1990-03-30 1991-03-21 フォイル材料の特性を測定するための構造
PCT/SE1991/000222 WO1991015764A1 (en) 1990-03-30 1991-03-21 Arrangement for measuring mechanical properties of a foil material
CA002056399A CA2056399C (en) 1990-03-30 1991-03-21 Arrangement for measuring mechanical properties of a foil material
AT91907461T ATE129344T1 (de) 1990-03-30 1991-03-21 Vorrichtung zur messung mechanischer eigenschaften eines folienförmigen materials.
EP91907461A EP0479979B1 (en) 1990-03-30 1991-03-21 Arrangement for measuring mechanical properties of a foil material
US08/150,259 US5361638A (en) 1990-03-30 1993-11-10 Arrangement for measuring mechanical properties of a foil material through use of an excitation unit that includes a laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9001162A SE464597B (sv) 1990-03-30 1990-03-30 Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper

Publications (3)

Publication Number Publication Date
SE9001162D0 SE9001162D0 (sv) 1990-03-30
SE9001162A SE9001162A (ja) 1991-05-13
SE464597B true SE464597B (sv) 1991-05-13

Family

ID=20379044

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9001162A SE464597B (sv) 1990-03-30 1990-03-30 Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper

Country Status (7)

Country Link
EP (1) EP0479979B1 (ja)
JP (1) JP3096304B2 (ja)
AT (1) ATE129344T1 (ja)
CA (1) CA2056399C (ja)
DE (1) DE69113950T2 (ja)
SE (1) SE464597B (ja)
WO (1) WO1991015764A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007010A1 (en) * 1998-07-31 2000-02-10 Stfi Method to predict and/or control the strength properties of a foil-like material

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10212057A1 (de) * 2002-03-19 2003-10-02 Tesa Ag Vorrichtung und Verfahren zur Bestimmung Inhomogenitäten in Materialbahnen
US8463560B2 (en) 2005-09-21 2013-06-11 Testing Machines, Inc. Method and apparatus for measuring properties of board products
JP5375476B2 (ja) * 2009-09-15 2013-12-25 新日鐵住金株式会社 圧縮応力値の推定方法、圧縮応力値推定装置およびレーザ加工装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709686C2 (de) * 1977-03-05 1982-09-09 Krautkrämer, GmbH, 5000 Köln Optisches interferometrisches Verfahren zur berührungslosen Messung der durch Ultraschallwellen verursachten Oberflächenauslenkung eines Prüflings
US4674332A (en) * 1986-02-20 1987-06-23 Union Camp Corporation Laser induced acoustic generation for sonic modulus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007010A1 (en) * 1998-07-31 2000-02-10 Stfi Method to predict and/or control the strength properties of a foil-like material

Also Published As

Publication number Publication date
WO1991015764A1 (en) 1991-10-17
DE69113950T2 (de) 1996-05-30
CA2056399A1 (en) 1991-10-01
JPH05500862A (ja) 1993-02-18
SE9001162A (ja) 1991-05-13
ATE129344T1 (de) 1995-11-15
EP0479979A1 (en) 1992-04-15
SE9001162D0 (sv) 1990-03-30
EP0479979B1 (en) 1995-10-18
JP3096304B2 (ja) 2000-10-10
DE69113950D1 (de) 1995-11-23
CA2056399C (en) 2001-07-17

Similar Documents

Publication Publication Date Title
EP0400770B1 (en) Measuring the strength of a material within a moving web
EP0165711B1 (en) Method and apparatus for detecting thermal waves
US5361638A (en) Arrangement for measuring mechanical properties of a foil material through use of an excitation unit that includes a laser
US20060290946A1 (en) System and method for measuring roundness
SE463051B (sv) Saett foer maetning av en spaenning i ett tunt, plant membran jaemte en anordning foer genomfoerande av saettet
JP5058109B2 (ja) レーザ超音波法による材料中の縦波と横波の音速の計測方法及び装置
JP5072789B2 (ja) レーザ超音波法による材料中の縦波と横波の音速の計測方法及び装置
SE464597B (sv) Anordning foer att maeta mekaniska egenskaper, saasom styrka och ytvikt, hos folieliknande material, t ex papper
KR100496826B1 (ko) 비접촉식 결정입경 측정장치 및 방법
Dewhurst et al. Polymer film thickness measurement using laser‐ultrasound techniques
SE527074C2 (sv) Icke-förstörande materialprovning
KR100994037B1 (ko) 레이저 초음파 측정장치 및 레이저 초음파 측정방법
Ke et al. Application of an adaptive two-wave mixing interferometer for detection of surface defects
JPH06167327A (ja) キャンバ測定方法
BA et al. A fibre-optic detection system for laser-ultrasound Lamb-wave examination of defects in thin materials
Dewhurst et al. A study of Lamb wave interaction with defects in sheet materials using a differential fibre-optic beam deflection technique
KR100951233B1 (ko) 결정립 형상비 측정장치 및 방법
Pettersson et al. On the verification of the applicability of the orthotropic plate wave theory to paper
RU1835048C (ru) Способ измерени рассто ни до объекта
JPH0572186A (ja) 超音波顕微鏡用超音波発生・検出装置
SU696306A1 (ru) Способ определени рассто ни дл бесконтактного измерени механических колебаний
SU968732A1 (ru) Вихретоковый дефектоскоп
JPS6459110A (en) Angle of rotation measuring apparatus
SU721677A1 (ru) Фотоэлектрическое устройство дл измерени пр молинейности изделий
Borissova et al. Laboratory Model of a Contactless Device for Measuring Diameter of Objects with Circular Cross-section Objects

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9001162-8

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 9001162-8

Format of ref document f/p: F