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Home The e-Journal of Nondestructive Testing & Ultrasonics - ISSN: 1435-4934
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This Month's Introduction
WCTE '98 This Month's Issue features NDE of Wood in conjunction with publications of the 5th World Conference on Timber Engineering, 1998 August 17-20, Montreaux, Switzerland. We have  provided selected articles and WCTE Abstracts dealing with NDT.
Thanks to the upcoming NDTISS '99 Symposium 1999 this month in Brazil we have  two additional papers dealing with wood. In a future NDTnet issue we'll publish more papers from this conference. On a related topic,  two articles deal with a new SAFT method which is very useful for low frequency applications such as wood or concrete. We are pleased to publish another article by Ed Ginzel.   His Report on Pipe Mill Ultrasonics points out the greatest risks for poor or missed inspections, using the standard code procedures.

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This Month's Articles
NDT
Wood
WCTE '98
Nondestructive Evaluation Techniques for Timber Bridges
Mr Emerson, Mr Pollock, Mr Kainz, Prof Fridley, Prof McLean, Mr Ross
UT/RT
Wood
WCTE '98
Small Roundwood Grading by Non Destructive X-Rays and Ultrasonic Waves Methods
Mr Adjanohoun, Mr Guillot, Mr Lanvin, Mr Cholat
UT
Wood
WCTE '98
Acoustoelastic Phenomena of Wood
Mr Sasaki, Mr Ando
UT
Wood
NTDISS '99
Acoustics as a Tool for the Nondestructive Testing of Wood
Voichita Bucur, Nancy, France
Other
Wood
NTDISS '99
Comparison Between Uniaxial And Triaxial Compression Tests In Wood
N. T. Mascia, S. M. Cramer, J. C.Hermanson.
UT
SAFT
A New SAFT Method in Ultrasonic Imaging at Very Low Frequency by Using Pulse Echo Method
Heydar T. Shandiz and Dr. Patrick Gaydecki Department of Instrumentation and Analytical Science (DIAS), UMIST, P.O.Box 88, Manchester M60 1QD, UK
UT
SAFT
Low Frequency Ultrasonic images Using Time Domain SAFT In Pitch catch method
Heydar T. Shandiz and Dr. Patrick Gaydecki Department of Instrumentation and Analytical Science (DIAS), UMIST, P.O.Box 88, Manchester M60 1QD, UK
UT
Welds
Pipeline
Report on Pipe Mill Ultrasonics
E. Ginzel, Merv Hoff, Jim Mihell

Wood
Selected
Publications
A Review of the WCTE '98
Future of Nondestructive Evaluation of Wood and Wood-Based Materials
Frank C. Beall. This was a keynote address at an international meeting (NDT of Wood) that explains many of the issues and opportunities related to NDE of Wood and Wood-based Materials. It reflects my research and biases from both industrial and university research.
Application of Ultrasonic Technology to Wood and Wood-based Materials.
Beall, F.C. 1996. Second International Conference on the Development of Wood Science/Technology and Forestry. Sopron, Hungary. 10pp.
NDT of Logs by Use of Vibration Mode Analysis.
By Sondre Skatter, Employed at: Norwegian Forest Research Institute, Visiting Scholar at: Forest Products Laboratory, University of California, Berkeley. See also Detection of defects in logs using X-ray Tomography
X-ray Lumber Grading -vs- "Traditional" Methods
Critical review of "X-rays help measure lumber strength on-line" Miller Freeman in Wood Technology article, by James D. Logan, P.E., President Metriguard Inc.
UC FOREST PRODUCTS LABORATORY 1998 Annual Report
Archive
DGZfP
Computer-Tomographie in der Forstwirtschaft und Baumpflege
A. Habermehl und H.-W. Ridder, Marburg. Teil 1 aus Dez. 97, Teil 2 aus Feb 98 in DGZfP Zeitung

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Plus News Elsewhere
News Archive '99 - '98 - '97 - '96
Cordis Database RAPIDUS brought us the following updates
Procedure to measure chilling injury in tomatoes.
The ultrasonic test was performed with a low frequency system (USD10NF, Krautkramer) .
Accelerated test to develop and measure mealiness in apples and peaches
Diffuse reflectance spectroscopy for the evaluation of fruit and vegetables internal quality
Bureau for International Research and Technology Cooperation

You no longer need to transport your ir100 in a type B drum
In this application, the applicant has demonstrated that the IR-100 radiography camera, without the OP-100 overpack, meets the requirements of 10 CFR Part 71 (Industrial Nuclear Company).

Unplanned Radiation Exposures to Radiographers, Resulting from Failures to Follow Proper Radiation Safety Procedures
United States Nuclear Regulatory Commission Office Of Nuclear Material Safety And Safeguards Washington, D.C.

Fasteners as Diagnostic Sensors in Wood Structures
This project involves the development of a comprehensive ultrasonic inspection technique that employs bolts and nails as diagnotstic sensors in wood structures. Ultrasonic pulse-echo detection of fastener deformation within connections will be utilized to measure connection displacement due to applied load, as well as energy dissipation within the connection. A Research topic at WMEL - Wood Materials and Engineering Laboratory.

Recent news releases from Metriguard
E.g., Metriguard Introduces 2800 DME Ultrasonic Veneer Tester

Obituary
Prof. Dr.-Ing. Dierk Schnitger
Am Abend des 22. Oktober 1999 ist der DGZfP Vorsitzende, Prof. Dr.-Ing. Dierk Schnitger, plötzlich und vollkommen unerwartet gestorben.

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