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This Month's Introduction
	We've noticed lots of lively TOFD discussion recently, so we decided to include some articles and news stories that may enlighten us. If you're already feeling pretty TOFD-enlightened, check out our  interactive TOFD Q&A. Thanks to our sponsor AEA Sonomatic, all participants can register to win  Big Prizes!
This Month's Issue also features other fields of NDT, e.g., x-ray tomography. NDTnet is a  sponsor of the International Symposium on NDT Contribution to Infrastructure Safety Systems, which takes place in Nov 1999 in Tores Brazil. Take a look at our  preview of NDTISS '99 Abstracts and of course you're invited to visit this interesting symposium. Rolf Diederichs will present A Review of NDT in Civil Engineering on the Internet.

NDT TOPIC	This Month's Articles
UT TOFD DGZfP '99	The TOFD Method - Between Radiography and Ultrasonic in Weld Testing Das TOFD - Verfahren zwischen Radiographie und Ultraschall bei der Schweißnahtprüfung A. Erhard, U. Ewert, BAM Berlin, Germany
UT TOFD	TOFD, the Emerging Ultrasonic Technique, for Heavy Wall Preasure Vessel Welds Examination G. Nardoni, et al, I&T Brescia, Italy
NDT Review	In-Service NDE of Aerospace Structures -- Emerging Technologies and Challenges at the End of the 2nd Millennium Yoseph Bar-Cohen, Jet Propulsion Laboratory, Caltech, USA
UT ARRAY	Dynamic Focusing of Phased Arrays for Nondestructive Testing: Characterization and Application André LAMARRE, François MAINGUY, R/D Tech, Canada
RT CT	3D Tomography of Turbine Blades A.V. Bronnikov and D. Killian, Arnhem, The Netherlands
RT CT	Industrial Computed Tomography : Control and digitalisation D. Dastarac, Tomo Adour S.A., France
TOFD Tutorial Q&A	Questions & Answeres - TOFD Rolf Diederichs, NDTnet
Recent Publications	High Frequency Transducers for Ultrasound Backscatter Microscopy Composite ultrasound transducer arrays for operation above 20 MHz Both papers presented at the 1999 SPIE Conference on Ultrasonic Transducer Engineering, San Diego, California, Feb, (1999). Automated inspection of aircraft Detection reliability for small cracks beneath rivet heads using eddy current nondestructive inspection techniques Both papers retrieved through The FAA Information Resource center

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NDTnet News - Market - Technology Plus News Elsewhere News Archive '99 - '98 - '97 - '96

Microseminar - 'Automated UT and ToFD - Techniques. - Acceptance Criteria, Reliability. IIW Commission V Minutes of The Meeting by the Chairman Gerd Dobmann. The International Institute of Welding (IIW) is the global body in the science and application of joining technology providing networking and knowledge exchange. Tektrend Intl Inc. Licenced The Edge of Light Technique The Edge of Light, that is a new nondestructive inspection technique recently developed by researchers at the National Research Council of Canada Ultrasonic Examination of Dry Fuel Storage Cask Closure Welds Structural Integrity Associates, Inc. (SI), of San Jose, California, announced the first successful demonstration of a custom ultrasonic (UT) examination system for dry fuel storage cask closure welds. The approach developed by SI employs the Time-of-Flight Diffraction (TOFD) technique. New Transducer Catalog Order Krautkramer's complete reference guide to ultrasonic probes. An online version is also available. CTM 20 Coating Thickness Gauge This gauge is suitable for measuring the thickness of paint coatings, plastic and other insulation layers covering wood, plastic, glass, ceramics, etc., as well as applications with metallic materials. Even multilayers are nondestructively measured in one single measurement sequence - Krautkramer. Nondestructive Evaluation Technology for Material & Component Characterization This electronic brochure was published by Southwest Research Institute (SwRI). Ultrasonic Inspection Simulation The use of computer simulation is becoming an increasingly popular approach for designing an ultrasonic inspection. Try the UT beam model for yourself! (interactive) Press releases of the The National Physical Laboratory One deals with Research on non-destructive measurement of coating adhesion.