Last edited by Shaktikinos
Wednesday, August 5, 2020 | History

3 edition of Ultrasonic phased-array characterization for NDE applications found in the catalog.

Ultrasonic phased-array characterization for NDE applications

Ultrasonic phased-array characterization for NDE applications

final report, project 17-9891

  • 271 Want to read
  • 33 Currently reading

Published by Southwest Research Institute, National Aeronautics and Space Administration, National Technical Information Service, distributor in San Antonio, [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Phased arrays.,
  • Diffraction.,
  • Beam steering.,
  • Nondestructive tests.,
  • Refraction.,
  • Scattering.,
  • Characterization.

  • Edition Notes

    Other titlesUltrasonic phased array characterization for NDE applications.
    Statementprepared by John J. Hanley, Richard F. Tennis, Keith S. Pickens.
    Series[NASA contractor report] -- NASA CR-206092.
    ContributionsTennis, Richard F., Pickens, Keith S., Southwest Research Institute., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15491153M

    Conference Secretariat. ISNT, Bangalore Chapter No A, 11th Cross, 4th Phase Peenya Industrial Area, Bangalore - , INDIA M: E: [email protected] For several years, the French Atomic Energy Commission (CEA) has developed phased array techniques to improve defect characterization and adaptability to various inspection configurations [1]. Such techniques allow to steer and focus the ultrasonic beam radiated by a transducer split into a set of individually addressed elements, using Cited by: 1.

    Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse-waves with center frequencies ranging from MHz, and occasionally up to 50 MHz, are transmitted into materials to detect internal flaws or to characterize materials. Ultrasonics has a long history of use in non-destructive evaluation (NDE), including for the detection and characterization of a wide range of discrete anomalies. Particularly with moves to use various forms of advanced manufacturing, including additive manufacturing, solid state bonding and single crystal systems, ultrasonic NDE is being.

    Back to Back Issues Page: PWL#B - Resources on Ultrasonic Phased Array, multielement probe, time shifting, Swept Beam Novem PWL#B - Resources on Ultrasonic Phased Array, multielement probe, time shifting, Electronic Scanning, Beam Steering, Swept Beam Technology, Electronic focusing, S-scan Display, time-of-flight, wavefront, software driven, encoder capability, full .   An ultrasonic testing system was designed and fabricated in accordance with the structure of heat exchange tube and fillet welds position. The ultrasonic C-scan was carried out by the ultrasonic testing system with its circumferential scanning by a mechanical scanning device while the axial electronic linear scanning by the phased array : Weican Guo, Shengjie Qian, Zhangwei Ling, Dongsheng Hou.


Share this book
You might also like
Three small novels =

Three small novels =

Adventures with the gods

Adventures with the gods

Waiting in the wings

Waiting in the wings

Old man up a tree

Old man up a tree

Amending the Alaska Native Claims Settlement Act to provide Alaska natives with certain options for the continued ownership of lands and corporate shares received pursuant to the Act and for other purposes

Amending the Alaska Native Claims Settlement Act to provide Alaska natives with certain options for the continued ownership of lands and corporate shares received pursuant to the Act and for other purposes

Government waste, fraud, and abuse

Government waste, fraud, and abuse

Saints & Sinners

Saints & Sinners

Family receipts

Family receipts

Herbs and spices

Herbs and spices

Orthodontics in mid-century

Orthodontics in mid-century

Ultrasonic phased-array characterization for NDE applications Download PDF EPUB FB2

Advanced Reflector Characterization with Ultrasonic Phased Arrays in NDE Applications September IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control 54(8) Get this from a library.

Ultrasonic phased-array characterization for NDE applications: final report, project [John J Hanley; Richard F Tennis; Keith S Pickens; Southwest Research Institute.; United States. National Aeronautics and Space Administration.]. Ultrasonic phased-array characterization for NDE applications [microform]: final report, project / prepared by John J.

Hanley, Richard F. Tennis, Ultrasonic phased-array characterization for NDE applications book S. Pickens Southwest Research Institute ; National Aeronautics and Space Administration ; National Technical Information Service, distributor San Antonio: [Washington, DC: Springfield.

Part Fundamentals of ultrasonic phased arrays Article (PDF Available) in Insight - Non-Destructive Testing and Condition Monitoring 48(4) April with 3, ReadsAuthor: Sandy Cochran. Concepts of the Phased Array Technology •Conventional transducers are composed of a single crystal.

•For Phased Array transducers, the crystal is cut in many part elements. Elements are individually driven with time-shifts called “Focal law”. •The aperture is controlled following the number of excited elements and the local law shape.

This book describes in detail the physical and mathematical foundations of ultrasonic phased array measurements. The book uses linear systems theory to develop a comprehensive model of the signals and images that can be formed with phased arrays.

Engineers working in the field of ultrasonic nondestructive evaluation (NDE) will find in this Brand: Springer International Publishing. Basic Principles of Ultrasonic Testing. Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements.

Ultrasonic inspection can be used for flaw detection/evaluation, dimensional measurements, material characterization, and more. To illustrate the general inspection principle, a typical pulse/echo.

Advanced Reflector Characterization with Ultrasonic Phased Arrays in NDE Applications. Research output: Contribution to Tunable beam shaping with a phased array acousto-optic modulator. Row-Column Addressed Arrays for Nondestructive Evaluation Applications.

Research output: Contribution to journal › Article. Research and Cited by:   Fundamentals of Ultrasonic Phased Arrays - Ebook written by Lester W. Schmerr Jr. Read this book using Google Play Books app on your PC, android, iOS devices.

Download for offline reading, highlight, bookmark or take notes while you read Fundamentals of Ultrasonic Phased Arrays.5/5(1). Personnel Training Publications: Ultrasonic Testing (UT), Classroom Training Book, Second Edition Contains new chapters on phased array, time of flight diffraction, and guided wave method.

Follows the body of knowledge outlined in CP (). "Recent applications of phased array for turbine components and welded structures" rd EPRI Phased Array Ultrasound Seminar, June, Seattle, USA Ciorau, P.: " Contribution to detection and sizing of linear defects by conventional and phased array ultrasonic techniques " th WCNDT, Montreal, AugSept, Abstract.

Ultrasonic evaluation of materials for material characterization and flaw detection is as simple as manually moving a single-element probe across a speci-men and looking at an oscilloscope display in real time or as complex as automatically (under computer control) scanning a phased-array probe across a specimen and collecting encoded data for immediate or off-line data analyses.

This multi-contributed volume provides a practical, applications-focused introduction to nonlinear acoustical techniques for nondestructive evaluation. Compared to linear techniques, nonlinear acoustical/ultrasonic techniques are much more sensitive to micro-cracks and other types of small distributed damages.

Accurate defect sizing is essential for Fitness-For-Purpose (FFP) applications, where defect height is a key parameter. Since the arrival of ultrasonic nondestructive evaluation (NDE), about fifty years ago, this technology has offered the potential for very accurate defect sizing compared to radiography.

Phased array ultrasonic transducers (PAUT) and techniques are an effective approach to conduct inspections and form images in nondestructive inspection of structures and materials.

They are now starting to see significant NDI applications in different industries, but many unique characteristics and issues need to be addressed. Jolly, in Comprehensive Structural Integrity, Ultrasonic. Ultrasonic testing equipment utilizes a combined emitter and sensor which sends out a high-frequency pulse of sound energy into the casting surface, and then monitors the reflected sound wave.

The level of the energy reflected is a measure of the size and type of defect, and the time of flight of the reflection. Anna Rudawska, in Surface Treatment in Bonding Technology, Ultrasonic method.

Ultrasonic testing is recognised as one of the most important methods and is found in a range of applications in nondestructive testing [1,–,].Ultrasonic testing utilises propagation of ultrasonic energy in solids.

The ultrasonic wave is generated by piezoelectric transducer connected to. DOWNLOAD NOW» Ultrasonic Methods of Non-Destructive Testing covers the basic principles and practices of ultrasonic testing, starting with the basic theory of vibration and propagation, design and properties and probes, and then proceeding to the principles and practice of the various ultrasonic techniques for different types of components and structures, both metallic and non-metallic.

Phased Array Ultrasonic Testing (PAUT) Level 2. Phased Array is an advanced pulse-echo technique that utilizes multiple miniaturized transducers and time-delays to shape the ultrasonic sound beam to a desired angle and focus.

Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements. Ultrasonic inspection can be used for flaw detection/evaluation, dimensional measurements, material characterization, and much more.

Although there are a number of technologies employing ultrasound, the simplest explanation of what happens in. In this paper, we briefly present two particular experiments based on time- reversal of ultrasonic fields; it shows how the phased array technology can be applied to ultrasonic systems.

The method has been widely tested and is robust for defect detection, target location, even .Our tutorials provide comprehensive traning on a range of technologies. These trainings are in course format and feature interactive content. These tutorials make great training students or new hires.

We also offer on-site classes. Contact your local rep if you’re interested. #N#Ultrasonic Flaw Detection Tutorial.Nondestructive Testing (NDT) consists of a variety of non-invasive inspection techniques used to evaluate material properties, components, or entire process units.

The techniques can also be utilized to detect, characterize, or measure the presence of damage mechanisms (e.g. corrosion or cracks).NDT is also commonly referred to as nondestructive examination (NDE), nondestructive evaluation.