NDT.net - March 2001, Vol. 6 No. 03

12th International Symposium on Nondestructive Testing of Wood
University of Western Hungary, Sopron, 13-15 September 2000
Main Authors

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The proceedings is available at the University of Western Hungary. We accept order by fax: +36 99 311 103 or email: hontine@fmk.nyme.hu (Marika Hontine). Price: 50 USD + postage (postage is 10 USD in Europe and 18 USD outside Europe). Payment formalities: cable transfer to our university bank account or cheque.
Key-note speech
1Jozsef Bodig (USA) . The Process of NDE Research for Wood and Wood Composites
Session I.: Sound-and ultrasound
2Y Lin, Frank C Beall, G. C. Johnson (USA) A New Approach of Surface Roughness Measurement using Air-coupled Ultrasound
3Pavlo Bekhta, Peter. Niemz, L. Kucera (Switzerland) . The Study of Sound Propagation in the Wood-Based Composite Materials
4Rudolf. E.Booker, Tony N. Haslett, John A. Sole (New Zealand) . Acoustic Emission Study of Within-Ring Internal Checking in Radiata Pine
5Brian K. Brashaw, Roy D. Adams, Mark S. Schafer, Robert J. Ross, Roger C. Pettersen (USA) Detection of Wetwood In Green Red Oak Lumber by Ultrasound and Gas Chromatography Mass Spectrometry Analysis
6Harald Berndt, Arno P. Schniewind, George C. Johnson (USA) Ultrasonic Energy Propagation Through Wood: Where, When, How Much
7Yasutoshi Sasaki, Masumi Hasegawa (Japan) . Ultrasonic Measurement of Applied Stresses in Wood by Acoustoelastic Birefringent Method
8Ronnie Y. Vun, Qinglin Wu, Mahes Bhardwaj, Gary Stead (USA) Through-Thickness Ultrasonic Transmission Properties of Oriented Strandboard
9Tomoaki Soma, Satoshi Shida, T. Arima (Japan) . Effect of Freezing-treatment on Estimating Free Water Distribution in Wood by Ultrasonic Wave
10Jean Luc Sandoz, Yann Benoit, L. Demay (Switzerland) Wood Testing Using Acousto-Ultrasonic Technique
11Anil K. Aggarwal, Sudesh Aggarwal (Papua New Guinea) Stress Grading of Papua New Guinea Timber
12M. Aramaki, H. Baillčres, L. Brancheriau, P. Guillemain, R. Kronland, J.D. Lanvin, (Franche) Modeling Vibrations Response of Wooden Beams with Singularities Using Sound Synthesis Models
13William L.Galligan, Donald A. DeVisser (USA) Assigning Design Values to Four "Minor" Properties of MSR Lumber
14Alik Duju, Takashi Nakai, Hirofumi Nagao, Toshinari Tanaka (Japan) . Nondestructive Evaluation of Mechanical Strength of Sarawak Timbers
15R. Diebold, A. Schleifer, P. Glos (Germany) . Machine Grading of Structural Sawn Timber from Various Softwood and Hardwood Species
Session II.: Strength and MOE
16Ute Seeling, Volker Klaiber (Germany) . Importance of Wood Defects and its Position within the Timber for Bending Elasticity and Bending Strength
17Robert J. Ross, Xiping Wang, James A. Mattson, John R. Erickson, John W. Forsman, Earl A. Geske, Michael A. Wehr (USA) Comparison of Several Nondestructive Evaluation Techniques for Assessing Stiffness and MOE of Small Diameter Logs
18Pierre Morlier (Franche) . The Contribution of NDT Tools to Assessment of Mechanical Damage in Wood
19Chih-Lin Huang (USA) . Predicting Lumber Stiffness of Standing Trees
20Stefan C. Hertl, Gottfried Schaffar (Austria) Detection of Butt-Rot
21John A. Dolwin, Geoffrey Lawday, David Lonsdale, John R. Barnett, Paul Hodges (UK) Development and Use of Stress Wave Meter, to Detect the Presence of Decay in Wood Blocks
22Xiping Wang, Robert J.Ross, John R.Erickson, John W. Forsman, Michael McClellan, James R. Barbour, Roy F. Pellerin (USA) . Nondestructive Evaluation of Standing Trees With Stress Wave Methods
23Roland Kappel, Claus Mattheck (Germany) Distribution of Drilling Resistance and Strength Properties at the Base of Trees
24András Koppán, Márta Kis, Sándor Szalai, László Szarka, Viktor Wesztergom (Hungary) In vivo Electric Soundings of Standing Trees
25Rudolf E.Booker, Bradley G. Ridoutt, Kirsty R.Wealleans, Don L. McConchie, Roderic D. Ball (New Zeland) . Evaluation of Tools to Measure the Sound Velocity and Stiffness of Green Radiata Pine Logs
26Steffen Rust (Germany) A New Tomographic Device for the Nondestructive Testing of Trees
27Paul Sepulveda, Anders Grönlund (Sweden) . Measurement of Spiral Grain with Computed Tomography Comparid with Pattern on Boards
28Edmund Gierlik, Magdalena Muchorowska (Poland) . Some Remarks on the Gamma-Densitometry of Wood
29Corneliu Popescu, Sanda Patrascu, Alexandru Kluger, Aurora Popescu (Romania) Controlling of the Fiberboard's Surface Mass Using Gamma Radiation Back Scattering Technique
30Philipp Hauffe, Gerold Mahler (Germany) . Evaluation of Internal Log Quality using X-ray and Ultrasound
Session IV.: Gamma ray
31S. Krzosek, W. Dzbenski (Poland) . The Use of Isotopic Method of Testing Timber Density along the Pine and Spruce Stems
32Ryszard Guzenda, Wieslaw Olek, Hanna Baranowska (Poland) Identification of Free and Bound Water Content in wood by means of NMR Relaxometry
33L.A. Soltis, Michael O. Hunt, R.J. Ross, X. Wang, Z. Cai (USA) Nondestructive Structural Evaluation of Wood Floor Systems in Historic Buildings
34Kai O. Kruse (Germany) Process Control with NDT Methods in Panel Production
35Ioan Curtu, Ioan Szava, Vasile Ciofoaia, Marius Botis, Florin Dogaru (Romania) . The Study of Stresses and Displacements in Furniture Elements with Holographic Interferometry and FEM
36Nobuo Sobue (Japan) Measurement of Moisture Gradient in wood by Electrode Scanning Moisture Analysis ESMA
37M. Tiitta, T Savolainen, T. Lappalainen (Finland) . Development of an Electrical Impedance Spectrometer for the Analysis of Wood Transverse Moisture Gradient
38P. Galimard, A. Assoudo, J.M. Escalier (France) Non Destructive Testing of Structural Composite Beams
39L. Palaia Perez, V. Galvan Llopis, F. Cervera Moreno, R. Molina Nieto (Spain) NDT Determination of the Strength Loss of Deteriorated Wood by Using Ultrasonic Techniques and a Specific Wood Tester
40Petr Kuklík, Anna Kuklíková (Slovakia) . Evaluation of Structural Timber by Dynamic Methods
Session V.: Inspection of structure and structural components
41Philip H.Steele, Jerome E.Cooper (USA) . Estimating Lumber Strength with Radio Frequency Scanning
42Anders P. Kaestner, Lars B. Baath (Sweden) . Microwave Polarimetry Dased Wood Scanning
43Ferenc Volgyi (Hungary) . Microwave NDT of Particleboards
44Loredana A.Badescu, Lucian A. Negreanu (Romania) . Study of the Displacements in Circular Saw Generated by the Forces Fy in the Cutting Process
45Zbigniew Mielczarek, Karolina Kurtz (Poland) The Effect of Reinforcment on Normal Stress Distribution in Girdes made of Wood and Wood-base Materials Glued Together
46J.Buchar, P. Horácek, I.Krivanek, S. Rolc (Czech Republic) Evaluation of the Viscoelastic Properties of Wood
47Antal Kánnár (Hungary) Kaiser Effect Experiments in Wood by Acoustic Emission Testing
48Philip H. Steele, Michael D.Patton, Jerome E. Cooper (USA) . Factors Influencing Differential Thermal Response of Knots and Clear Wood
Session VII.: Thermogrpahy
49Henrik Berglind, Alexander Dillenz (Germany) . Detection of Glue Deficiency in Laminated Wood with Thermography
50Minoru Masuda, Shingo Takahashi (Japan) . Thermographical Detection of Defects of Lumber and Glued Joints
51Wieslaw Olek, Ryszard Guzenda, Jerzy Weres (Poland) . Computer - aided Estimation of Thermal Conductivity of Scots Pine Wood
52Toshinari Tanaka, Ferenc Divos (Japan, Hungary) . Thermographic Inspection of Wood
53V. Bucur ( France) . Anisotropy of Solid Wood Expressed by Ultrasonic Velocities
54Mark E. Schafer, Robert J. Ross (USA) . Application of Ultrasonic Scanning in the Wood Products Industry
55M.D. Gibson, G.A. Grozdits, T.R. Clason, G.L. Hill (USA) Ultrasonic Stress Grading of Veneer - A Case Study Comparing Various Silvicultural Treatments
56Lisette Gergely, Ferenc Divos (Hungary) Possibility of Glue-defect Detection in Solid Wood Panels with Ultrasound
57Gregory Wieloch (Poland) The Usage of Ultrasound Waves for Destination of Wood Modification by Means of Amino Resins
58Hideo Kato, Hirofumi Nagao (Japan) Nondestructive Evaluation of Timber Bridge Using Stress Waves
59Ioan Száva, Ioan Curtu, Vasile Ciofoaia, Marius Botis, Florin, Dogaru (Romania). The Experimental and Theoretical Study of Optima Shape at Plugs for Jointing Elements in Wood-based Materials
60László Németh (Hungary) . Evaluation of Built-in Timbers by Nondestructive Testing
61L. Brancheriau, H. Bailleres, M. Aramaki, P. Guillemain, R. Kronland, J.D. Lanvin (France) Modeling Vibration Response of Wooden Beams with Singularities using Mechanical Models
62J. Buchar, P. Horácek, L. Slonek, B. Vlach (Czech Republic) . Evaluation of the Elastic Properties of the Wooden Block
63Hirofumi Nagao, Kozo Washino, Hideo Kato, Toshinari Tanaka (Japan) . Estimate MOE of Japanese Larch Timbers Based on NDE of Log
Poster abstracts
64Koichi Yamamoto (Japan) Nondestructive Test on the Evaluation of Basic Wood Properties of Fast Growing Plantation Tree in Vietnam
65Peter Niemz, Eberhard Lehmann, Peter Vontobel (Switzerland) Application of Neutron Radiography for Investigation of Wood
66P. Niemz, L.J. Kucera, E. Lehmann, P. Vontobel, S. Hanschke (Switzerland) . Investigation of Wooden Corner Connection by Neutron Radiography Methods in order to Evaluate the Ingress Behaviour of Water
67Károly Csupor, Ferenc Divos, Etele Gönczöl (Hungary) Radiation Induced Effects on Wood Materials and Fungi
68J. Dakak, V. Bucur, R. Keller ( France) The Variability of Tetraclinis articulata with Ultrasonic and X ray Microdensitometry Techniques on Increment Cores
Poster abstracts
69András Varga, Ágnes Matusik, Ervin Kiss, Ferenc Divos (Hungary) Use of Medical CT to Qualify Defects in Wood
70A. Bertallot, F.G.Canavero, E. Comino, R. Martinis, G. Nicolotti, L. Sambuelli, L.V. Socco (Italy) On the Choice between Resistivity and Capacitance Tomography for Tree Stability Assessment
71L.V. Socco, R. Martinis, E. Comino, G. Nicolotti, L. Sambuelli (Italy) . Open Problems Concerning Ultrasonic Tomography for Wood Decay Diagnosis
72Ferenc Divos (Hungary) Stress Wave Based Tomography for Tree Evaluation
73Piotr Pohl (Poland) . Effect of the Angle of the Gaugin tip of Profilographometre on Values of Surface Roughness Parameters
Poster abstracts
74Henry Spelter, Robert J. Ross (USA) . Pith Centered Hard Maple Cants - To Grade or not to Grade
75G. A Grozdits, M. D.Gibson (USA). Non-invasive Monitoring of Air-drying Lumber Stacks.
76Ferenc Divos (Hungary) Lumber Grader
77Ferenc. Divos, Károly. Bátki, Péter Gyenizse, Petr Kuklik (Hungary, Czech Republic) The Dome Project
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