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Vallen-Systeme GmbH
The Acoustic Emission Company! Since 1987 Vallen stands for competence and continuity in AE and for reliable business cooperation and support.

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Feedbacks of Articles & News via the Database |113 Msgs| Admin: Rolf
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Non-Destructive Testing of Hybrid Composite Structures wolfgang Bisle22:00 Dec-03
Editorial: Rolf Diederichs about Peer Review and Conference Proceedings (3) Rainer Krankenhagen13:04 Sep-03
   Re: Editorial: Rolf Diederichs about Peer Review and Conference Proceedings (3) Rolf Diederichs20:24 Sep-03
   Re: Editorial: Rolf Diederichs about Peer Review and Conference Proceedings (3) Rainer Krankenhagen10:48 Sep-06
   Re: Editorial: Rolf Diederichs about Peer Review and Conference Proceedings (3) Rolf Diederichs23:30 Sep-08
Variable Aperture Correction for Equalizing Refracted Beams Across Phased Array Sector Scans Ali17:52 Sep-02
Long-time engineering science and mechanics professor Joseph Rose retires Carsten Brandt11:05 Aug-23
Civa POD Tools for Pipeline Qualifications W.Bisle17:24 Jul-02
Characterization of Reflectors by Ultrasonic Methods Smit11:28 Apr-02
Frequency and Time Domain Data Analysis Approaches for Detection and Evaluation of Subsurface Defects using Active Thermography (1) JAVED AHMAD07:25 Feb-15
   Re: Frequency and Time Domain Data Analysis Approaches for Detection and Evaluation of Subsurface Defects using Active Thermography (1) Rolf Diederichs19:40 Feb-19
NDT.net launches mobile-friendly design Ed Ginzel20:01 Jan-01
A Comparative Study of PAUT and TOFD responses with the change in microstructures of the materials – A Step towards reliable detection. Neetu10:48 Sep-26
Advanced Ultrasonic Techniques applied in the Venezuelan industry: Two case studies Ed Ginzel17:32 Jul-02
Nondestructive Material Testing with Ultrasonics - Introduction to the Basic Principles Rolf Diederichs14:29 Apr-10
The ABC's of Nondestructive Weld Examination Rolf Diederichs14:29 Apr-10
Time of flight diffraction (TOFD), an advanced non-destructive testing technique for inspection of welds for heavy walled pressure vessels Calum09:37 Mar-08
Ultrasonic grain noise modelling - Applications to titanium alloys inspection Mierloi Andrei12:12 Feb-22
Using Remote NDE, including External Experts in the Inspection Process, to Enhance Reliability and address Todays NDE Challenges J.B.21:41 Dec-05
Librestream and Olympus Bring Remote NDT/RVI Experts into the Field Virtually J.B.18:49 Dec-05
Modelled and Visualised Sound-Fields of 1.5D Phased-array Probes Mark 15:40 Dec-05
Adapting CSA W59 ultrasonic inspections for use with distance-amplitude techniques (1) Ed Ginzel19:22 Dec-03
   Re: Adapting CSA W59 ultrasonic inspections for use with distance-amplitude techniques (1) Paul Holloway12:15 Dec-04
JIREH Industries Releases 3-Axis and Motorized Nozzle Scanners Jeff Dubbeldam20:16 Dec-01
Sizing and evaluation of planar defects based on Surface Diffracted Signal Loss technique by ultrasonic phased array (1) Mark 13:18 Nov-02
   Re: Sizing and evaluation of planar defects based on Surface Diffracted Signal Loss technique by ultrasonic phased array (1) Vadim Kniazev19:04 Dec-01
The Olympus IPLEX NX Videoscope Features Industry-leading Image Quality to Locate Previously Undetectable Flaws kashif11:14 Oct-17
Nondestructive Air-coupled Ultrasound Measurement in the Food Industries john10:34 Jul-20
Tap Testing vs. Thermography Jasson Gryzagoridis11:55 Jan-08
Tap Testing vs. Thermography J.B.23:19 Jan-03
Photoelastic Visualisation of Phased Array Sound Fields: Part 25 – The So-Called Creeping Wave – Far Surface with linear phased-array probe (1) David Reid17:18 Jan-01
   Re: Photoelastic Visualisation of Phased Array Sound Fields: Part 25 – The So-Called Creeping Wave – Far Surface with linear phased-array probe (1) Paul Lake19:09 Jan-24
Photoelastic Visualisation of Phased Array Sound Fields: Part 23 – The So-Called Creeping Wave – Near Surface Paul Holloway16:36 Nov-06
Acoustic Emission Source Identification in Pipes Using Finite Element Analysis (2) Hebri12:26 Oct-02
   Re: Acoustic Emission Source Identification in Pipes Using Finite Element Analysis (2) P V SASTRY02:27 Oct-03
   Re: Acoustic Emission Source Identification in Pipes Using Finite Element Analysis (2) Hebri13:57 Oct-03
PWR REACTOR VESSEL IN-SERVICE INSPECTION ACCORDING TO RSEM CODE jean michel puybouffat08:44 Sep-01
A novel Surface Eddy Current probe with Phase Information on Surface Flaw Depth Chan-Wool Kwon07:48 Jul-18
   Qualifikationsunterstützung von Faserverbund-Bauteilen für den industriellen Einsatz mit Hilfe von spezialisierten CT-Verfahren Andreas Frommknecht10:20 Mar-11
Computed Tomography & 3D Metrology - Application of the VDI/VDE Directive 2630 and Optimization of the CT system (1) Gregory Bell21:12 Mar-09
   Re: Computed Tomography & 3D Metrology - Application of the VDI/VDE Directive 2630 and Optimization of the CT system (1) kellyon12:16 Mar-20
Photoelastic Visualisation: Phased Array Sound Fields Part 22 – Phased array Tip Diffraction L-mode Ali12:09 Feb-08
Single sided weld inspection using advanced ultrasonic methods (1) Prasanth07:55 Jan-05
   Single sided weld inspection using advanced ultrasonic methods (1) James15:23 Feb-13
Acoustic Properties of the Elastomeric Materials Aqualene and ACE Ali09:17 Dec-06
Analysis of powder samples extracted from concrete structures of nuclear plants in Czech and Slovak Republic Zbynek15:07 Nov-02
From Palladio to Reinforced Concrete: NDT Applied to the Old and the New Bridge of Bassano del Grappa elisa foppoli21:09 Oct-18
Phased Array Ultrasonic Inspection Of 25%Cr Super Duplex Stainless Steel On Subsea Manifold Piping Girth Welds In Lieu Of Radiography Dhava01:49 Jun-14
Echo Graphic introduces the EG430NDT, a X-ray film processor designed for Non-Destructive Testing (NDT) (1) MD RAKIB UDDIN14:09 Jun-13
   Re: Echo Graphic introduces the EG430NDT, a X-ray film processor designed for Non-Destructive Testing (NDT) (1) Dr. Uwe Zscherpel11:45 Jun-14
  More Messages  

Product Spotlight

Surf-X® Array Probe

Introducing the Surf-X family of flexible Eddy Current Array (ECA) probes. Featuring unique multiple
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coil sets and proprietary X-PROBE technology, Surf-X array probes can quickly and accurately handle a range of inspection applications, from inspecting corrosion or cracking in pipes, pressure vessels, or tanks, to assessing and sizing cracks in raised welds and friction stir welds.
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OmniScan™ X3 flaw detector

The OmniScan X3 flaw detector is a complete phased array toolbox. Powerful tools, like total focus
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ing method (TFM) images and advanced visualization capabilities, enable you to complete your inspection with greater confidence.
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Immersion systems

ScanMaster ultrasonic immersion systems are designed for high throughput, multi shift operation in a
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n industrial or lab environment. These fully integrated systems provide various scanning configurations and incorporate conventional and phased arrays technologies to support diverse applications, such as inspection of disks, bars, shafts, billets and plates. All of ScanMaster immersion systems are built from high accuracy scanning frames allowing for scanning of complex parts and include a multi-channel ultrasonic instrument with exceptional performance. The systems are approved by all major manufacturers for C-scan inspection of jet engine forged discs. Together with a comprehensive set of software modules these flexible series of systems provide the customer with the best price performance solutions.
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Teletest Focus+

Teletest Focus+ electronics have superior capabilities than rivals on the market. Beyond the usual
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test features, Focus+ has 24 transmit channels and 24 receive channels, with an additional on-board switching capabilities. The instrument's frequency range is 10–300 kHz.
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