ATE514077T1 - System und verfahren zur bestimmung der struktureigenschaften von holzteilen mit hilfe von ultraschall - Google Patents

System und verfahren zur bestimmung der struktureigenschaften von holzteilen mit hilfe von ultraschall

Info

Publication number
ATE514077T1
ATE514077T1 AT00963677T AT00963677T ATE514077T1 AT E514077 T1 ATE514077 T1 AT E514077T1 AT 00963677 T AT00963677 T AT 00963677T AT 00963677 T AT00963677 T AT 00963677T AT E514077 T1 ATE514077 T1 AT E514077T1
Authority
AT
Austria
Prior art keywords
ultrasonic
wooden member
wooden
ultrasonic waves
ultrasound
Prior art date
Application number
AT00963677T
Other languages
English (en)
Inventor
Mark Schafer
Robert Ross
John Erickson
Rodney Degroot
Original Assignee
Us Natural Resources
Us Agriculture
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 Us Natural Resources, Us Agriculture filed Critical Us Natural Resources
Application granted granted Critical
Publication of ATE514077T1 publication Critical patent/ATE514077T1/de

Links

Classifications

    • 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
    • G01N29/2493—Wheel shaped probes
    • 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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
    • G01N33/46—Wood
    • 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
    • G01N2291/0238—Wood
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
    • 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
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
    • 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
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/105—Number of transducers two or more emitters, two or more receivers
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays
    • 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
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT00963677T 1999-09-30 2000-09-21 System und verfahren zur bestimmung der struktureigenschaften von holzteilen mit hilfe von ultraschall ATE514077T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15718299P 1999-09-30 1999-09-30
US09/466,750 US6276209B1 (en) 1999-09-30 1999-12-17 System and method of assessing the structural properties of wooden members using ultrasound
PCT/US2000/025839 WO2001023878A1 (en) 1999-09-30 2000-09-21 System and method of assessing the structural properties of wooden members using ultrasound

Publications (1)

Publication Number Publication Date
ATE514077T1 true ATE514077T1 (de) 2011-07-15

Family

ID=26853883

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00963677T ATE514077T1 (de) 1999-09-30 2000-09-21 System und verfahren zur bestimmung der struktureigenschaften von holzteilen mit hilfe von ultraschall

Country Status (6)

Country Link
US (1) US6276209B1 (de)
EP (1) EP1228364B1 (de)
AT (1) ATE514077T1 (de)
AU (1) AU4024801A (de)
CA (1) CA2386173C (de)
WO (1) WO2001023878A1 (de)

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US6467352B2 (en) * 1998-04-16 2002-10-22 Percepton, Inc. Method and apparatus for on-line monitoring of log sawing
US6684705B1 (en) * 1999-05-07 2004-02-03 U.S. Natural Resources, Inc. Roller mechanism using an array of ultrasound elements to interrogate wood properties
NZ505896A (en) * 2000-07-21 2003-05-30 Ind Res Ltd Method and apparatus for assessing or predicting characteristics of wood or other materials by varying frequency of acoustic transmitter and sensing a response
US6923065B2 (en) * 2001-09-17 2005-08-02 Thyssen Elevator Capital Corp. Apparatus for testing aramid fiber elevator cables
FR2830082B1 (fr) * 2001-09-25 2004-02-20 Centre Nat Rech Scient Dispositif et methode de detection de defauts dans un produit en bois ou a base de bois a partir de sa signature acoustique
US6732587B2 (en) 2002-02-06 2004-05-11 Lockheed Martin Corporation System and method for classification of defects in a manufactured object
US7418866B2 (en) * 2004-01-22 2008-09-02 Regents Of The University Of Minnesota Method and apparatus for evaluation of standing timber
US7506547B2 (en) 2004-01-26 2009-03-24 Jesmonth Richard E System and method for generating three-dimensional density-based defect map
NZ545247A (en) * 2005-02-11 2007-05-31 Waratah Nz Ltd Method and apparatus for assessing or predicting the characteristics of wood
KR100604415B1 (ko) 2005-04-04 2006-07-25 재단법인서울대학교산학협력재단 목재 열화 씨티 측정 방법
WO2008005311A2 (en) * 2006-06-30 2008-01-10 Carnegie Mellon University Methods, apparatuses, and systems for damage detection
GB2440555A (en) * 2006-07-31 2008-02-06 Quetra Ltd Acoustic testing of wooden elements
WO2009024452A1 (de) * 2007-08-17 2009-02-26 Inventio Ag Aufzugsystem mit tragmittelzustanderfassungseinrichtung und verfahren zum erfassen eines zustandes eines tragmittels
US8631769B1 (en) 2008-08-04 2014-01-21 Hurst Boiler & Welding Company, Inc. Firetube steam boiler having improved efficiency
US7908757B2 (en) 2008-10-16 2011-03-22 Hexagon Metrology, Inc. Articulating measuring arm with laser scanner
BRPI1013952B1 (pt) 2009-05-05 2020-05-05 Actuant Corp sistema de avaliação sem contato de propriedade de propagação de sinal acústico para cordas sintéticas, e, método para avaliar propriedades de propagação de sinal acústico através de uma corda
US8151477B2 (en) 2009-11-06 2012-04-10 Hexagon Metrology Ab CMM with modular functionality
GB201200274D0 (en) * 2012-01-09 2012-02-22 Airbus Operations Ltd Tool and method for manipulating a transducer assembly
SE536623C2 (sv) * 2012-03-08 2014-04-08 Innovation Vision Ab Förfarande och anordning för utvärdering av en bräda av trä
CN104101650B (zh) * 2014-07-23 2016-08-17 南京农业大学 一种树木年轮的空气耦合式超声波检测方法及装置
WO2016044658A1 (en) 2014-09-19 2016-03-24 Hexagon Metrology, Inc. Multi-mode portable coordinate measuring machine
US10036733B2 (en) * 2015-04-13 2018-07-31 Zf Friedrichshafen Ag Hardness verification utilizing ultrasonic velocities
WO2017083869A1 (en) 2015-11-13 2017-05-18 Orthoforge Medical devices, systems and methods for monitoring and stimulating osteogenesis
US10612995B2 (en) 2017-07-12 2020-04-07 Duke Energy Corporation Nondestructive inspection tools for timber distribution poles, and related methods
US10983095B2 (en) * 2018-05-16 2021-04-20 University Of South Carolina Combined global-local structural health monitoring
CN109711014B (zh) * 2018-12-14 2023-04-07 西南林业大学 一种水热-微波联合软化处理后木材弯曲挠度的模型构建方法
JP7231141B2 (ja) * 2019-02-07 2023-03-01 株式会社坂本電機製作所 木材等用の音速測定装置
US11079358B2 (en) * 2019-04-25 2021-08-03 Saudi Arabian Oil Company Remotely assessing real-time wooden pole integrity
CN111141826A (zh) * 2020-01-07 2020-05-12 北京林业大学 一种评价正交胶合木（clt）胶合性能的无损检测方法

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Publication number Priority date Publication date Assignee Title
US4435984A (en) * 1980-04-21 1984-03-13 Southwest Research Institute Ultrasonic multiple-beam technique for detecting cracks in bimetallic or coarse-grained materials
IL94616A (en) * 1990-06-04 1994-06-24 Medicano Systems Ltd Apparatus and method for calculating the mechanical properties of a solid
US5307679A (en) * 1992-03-25 1994-05-03 The United States Of America As Represented By The Secretary Of Agriculture Method and apparatus for evaluating the drying properties of un-dried wood
US5955671A (en) * 1997-03-28 1999-09-21 General Electric Company Method and apparatus for measurement of orientation in an anisotropic medium
US6029522A (en) * 1998-02-26 2000-02-29 Perceptron, Inc. Ultrasonic apparatus for characterizing wooden members

Also Published As

Publication number Publication date
CA2386173C (en) 2008-11-18
WO2001023878A9 (en) 2002-10-03
WO2001023878A1 (en) 2001-04-05
EP1228364A1 (de) 2002-08-07
US6276209B1 (en) 2001-08-21
EP1228364B1 (de) 2011-06-22
CA2386173A1 (en) 2001-04-05
EP1228364A4 (de) 2006-02-01
AU4024801A (en) 2001-04-30

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