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Saturday, July 25, 2020 | History

1 edition of Holographic nondestructive testing of pipes found in the catalog.

Holographic nondestructive testing of pipes

Paul Mikel Huber

Holographic nondestructive testing of pipes

by Paul Mikel Huber

  • 332 Want to read
  • 18 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Mechanical engineering

  • ID Numbers
    Open LibraryOL25455023M

    Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems Journal of Nuclear Engineering and Radiation Science Journal of Offshore Mechanics and Arctic Engineering. INTRODUCTION Non-Destructive Testing (NDT) is defined by the American Society for Non-destructive Testing (ASNT) as: "The determination of the physical condition of an object without.

    This paper describes results from assessments using ultrasonic and microwave nondestructive techniques and mechanical testing with the high-speed tensile impact test and the side-bend test formore» A series of butt joints were fabricated in , inch (cm) IPS DR HDPE material by varying the fusion parameters to create good joints. Broadband Holography has become a powerful tool in computerized non-destructive testing. Interpretation of images, however, is difficult due to the fact that perfect imaging of flaw sizes is impossible until now. The situation is even more complex, since multiple scattering, wave mode conversions, and inhomogeneities in the material give rise to artifacts in the holographic image.

    Florin, New and reliable method for non-destructive and non-contact testing of therma l spray coatings, I nsight Vol. 42, No 9, September , pp. 8. Baker Testing Services works with petroleum, gas, transportation, storage, and other industries to provide independent non-destructive testing (NDT) and inspection of both new and in-service piping. Inspection services include longitudinal scans, x-ray of new pipes, and .


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Holographic nondestructive testing of pipes by Paul Mikel Huber Download PDF EPUB FB2

Nondestructive testing (NDT) is a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage.

The terms nondestructive examination (NDE), nondestructive inspection (NDI), and nondestructive evaluation (NDE) are also commonly used to describe this technology. Description Holographic Nondestructive Testing presents a unified discussion of the principles and methods of holography and its application holographic nondestructive testing.

The book discusses in detail the basic theoretical concepts, the experimental methods for recording holograms, and different specialized holographic Edition: 1.

Description Holographic Nondestructive Testing presents a unified discussion of the principles and methods of holography and its application holographic nondestructive testing. The book discusses in detail the basic theoretical concepts, the experimental methods for recording holograms, and different specialized holographic techniques.

Abstract The paper is devoted to nondestructive testing of welded structures by means of optical holography. The major advantages of holograpfic method are: contactles, high sensitivity, visual control, no special demands for the object surface quality.

In case defect is present the value of surface local displacement is changed. ASTM's nondestructive testing standards provide guides for the appropriate methods and techniques used to detect and evaluate flaws in materials and objects without destroying the specimen at hand.

Such tests include radiographic, ultrasonic, electromagnetic (eddy-current), X. 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.5/5(2).

Holographic non-destructive testing of composites J. Gryzagoridis (Optics and Laser Technology ) The application of real-time holographic interferometry in the nondestructive inspection of electronic parts and assemblies Craig P. Wood, James D. Trolinger (in Optical Testing and Metrology III: Recent Advances in Industrial Inspection.

In this report some results of holographic non-destructive testing of plastic pipes are presented. Double-pulse holographic interferometry measurements of stress distribution at small scale steady state (S4) tests for 3 - 5 bar pressurized plastic pipes with (phi) mm to mm were performed.

The oscillations are initiated by an externally applied loading force, that has a form of short-acting pulse. The results obtained are compared with experimental data from interferometric analysis of a 6m long polymer pipe.

Keywords: holographic non-destructive testing, oscillation analysis. NON-DESTRUCTIVE TESTING Objective To gain experience with and understanding of the types, advantages and applications of various NDT methods.

To be able to choose the best NDT method for a given part. Introduction Up to this point we have learnt various testing methods that somehow destruct the test specimens.

Purchase Non-Destructive Testing '92 - 1st Edition. Print Book & E-Book. ISBNThe samples were tested for flaws such as debonds, delaminations and cracks by using the technique of holographic interferometry.

In each of the samples tested, the holographic method was successful and although the tests were conducted in a laboratory, there is. The book presents the principles and methods of holographic interferometry - a coherent-optical measurement technique for deformation and stress analysis, for the determination of refractive-index distributions, or applied to non-destructive testing.

Emphasis of the book is on the quantitative computer-aided evaluation of the holographic. Pipe Inspection – Hydro Test, NDT, Visual and Dimension. To ensure product quality, during and after the production certain pipe inspection and non-destructive testing are performed on the body & weld of the pipe.

These pipe inspection will check whether any physical defects are present in the pipe/weld, which may affect its performance. The above introduction provides a simplified introduction to the NDT method of ultrasonic testing.

However, to effectively perform an inspection using ultrasonics, much more about the method needs to be known. The following pages present information on the science involved in ultrasonic inspection, the equipment that is commonly used, some of. Non-destructive testing (NDT) includes a variety of analysis techniques to assess the properties of the materials without causing any damage to the material in the process 1.

Some of the tools used in performing NDT of pipelines utilize X-rays, magnetic particles and ultrasonic sound waves 1. The obtained results are compared with experimental data from pulse-laser holographic non-destructive testing of pipe vibration.

In this paper we present the results of analytical study and experimental examination of long pipe oscillations. Two different approaches have been used for theoretical study, which are the Global Modal Analysis and.

Guidebook for the Fabrication of NDT Test Specimens. The experts consulted the ISO/FDIS requirements for training and certification of personnel and the suitability of various types of NDT test specimens that are needed to meet such requirements.

A set of appropriate NDT test specimens, as well as the methodology and procedures for. NONDESTRUCTIVE HOLOGRAPHIC TECHNIQUES FOR STRUCTURES INSPECTION R. Enr, et al United Aircraft Research Laboratories Prepared for: Air Force Materials Laboratory October DISTRIBUTED BY: National Technical Information Service U.

DEPARTMENT OF COMMERCE Port Royal Road, Springfield Va. Introduction to Nondestructive Testing. The transducer ring/exciter setup is designed specifically for the diameter of the pipe being tested, and the system has the advantage of being able to inspect the pipe wall volume over long distances without having to remove coatings or insulation.

Holographic Testing uses a laser to detect. For example, finding the quality of a weld is good enough to withstand extreme pressure and to verify the properties of a material. NON-DESTRUCTIVE TESTING (NDT): Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics.

Radiographic (RT) examination is the most useful nondestructive test, as it detects subsurface flaws invisible to the naked eye. This method originally employed X-rays, but today pipe joints can be examined using gamma-rays produced by portable radioactive isotopes.Civil infrastructures such as bridges, buildings, and pipelines ensure society's economic and industrial prosperity.

Specifically, pipe networks assure the transportation of primary commodities such as water, oil, and natural gas.

The quantitative and early detection of defects in pipes is critical in order to avoid severe consequences. As a result of high-profile accidents and economic.