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digital radiography

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006459
EISBN: 978-1-62708-190-0
...Abstract Abstract Digital radiography is a technique that uses digital detector arrays (linear or area) to capture an X-ray photonic signal and convert it to an electronic signal for display on a computer. This article begins with an overview of real-time radiography and provides a schematic...
Image
Published: 01 August 2018
Fig. 18 Computed tomography and digital radiography scanner designed for the nondestructive testing and dimensional analysis of a variety of parts up to 300 mm (12 in.) in diameter and 600 mm (24 in.) in length More
Image
Published: 01 August 2018
Fig. 29 Digital radiography mode. The component moves perpendicular to the fan beam, and the radiographic data are acquired line-by-line. More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006456
EISBN: 978-1-62708-190-0
.... It also provides information on digital radiography, image processing and analysis, dual-energy imaging, and partial angle imaging, of a CT system. computed tomography digital radiography dual-energy imaging film radiography partial angle imaging real-time radiography X-ray computed tomography...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003238
EISBN: 978-1-62708-199-3
... radiography with these devices was restricted to aluminum, plastics, or thin sections of steel. By the mid-1970s, other technological developments led to further improvements such as high-energy, x-ray sensitivity for image intensifiers, improved screen materials, digital video processing for image...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005616
EISBN: 978-1-62708-174-0
...-60 for generating penetrating radiation, is used to record the internal flaws of the object on a radiographic film. Because of the danger of these rays, only qualified personnel are authorized to perform these tests. As one of the recently developed radiography methods, digital x-ray radiography...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006477
EISBN: 978-1-62708-190-0
...-60 for generating penetrating radiation, is used to record the internal flaws of the object on a radiographic film. Because of the danger of these rays, only qualified personnel are authorized to perform these tests. As one of the recently developed radiography methods, digital x-ray radiography...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... variations, cracks, and defects for the calibration and demonstration of the capabilities of digital radiography equipment. Flat bars of constant thickness were pressed for calibration of the radiation intensity with respect to density. A linear correlation was found even without a correction for the sample...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... image. A thicker part generates more scattered radiation (a component of geometric unsharpness). Most radiation detectors fall into three categories: film (analog), computed radiography (digital), and digital radiography (digital). Film is historically the most commonly used radiation detector. Film...
Image
Published: 01 December 1998
Fig. 9 Comparison of (a) computed tomography (CT) and (b) radiography. A high-quality digital radiograph (b) of a solid rocket motor igniter shows a serious flaw in a carefully oriented tangential shot. A CT image (a) at the height of the flaw shows the flaw in more detail and in a form More
Image
Published: 01 August 2018
Fig. 1 Comparison of (a) computed tomography (CT) and (b) radiography. A high-quality digital radiograph (b) of a solid rocket motor igniter shows a serious flaw in a carefully oriented tangential shot. A CT image (a) at the height of the flaw shows the flaw in more detail and in a form More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006448
EISBN: 978-1-62708-190-0
... with the radiation, that is, conversion of radiation into a form suitable for observation or further signal processing. This conversion is accomplished with either a recording medium (usually film), a real-time imaging medium (such as fluorescent screens or scintillation crystals), computed radiography, digital...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... noise Changes in magnetic flux from stress applied to magnetic material Online monitoring of magnetic material Not suitable for nonmagnetic material Online monitoring; can sense stress without cracking Magnetic metals, steel, nickel, iron, chrome Radiography, computed tomography, digital x-ray...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... film techniques and are becoming widely available for specific failure analysis applications. Backscatter x-ray imaging, computed radiography, digital radiography, and computed tomography (CT) are available to investigate the volume of the component where traditional RT and UT techniques may...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
... photographic principles and techniques as applied to failure analysis, both in the field and in the laboratory. The discussion covers the processes involved in field and laboratory photographic documentations, provides a description of professional digital cameras, and gives information on photographic...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
... of a professional digital camera. It covers basic photographic principles and manipulation of settings that assist in producing high-quality images. The need for accurate photographic documentation in failure analysis is also presented. failure analysis photographic documentation photography professional...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
... (sharp corners or radii) and/or made with alloys that are prone to hot tearing are often subjected to liquid penetrant inspection. Radiographic Inspection The term radiography refers to a method that produces a two-dimensional permanent image on film or paper that has been exposed to unabsorbed...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
..., electromagnetic acoustic transducer, radiography, thermography, and low-frequency vibration methods. The article also provides information on NDE methods commonly used for metal-matrix composites. acoustic emission computed tomography digital radiography eddy-current electromagnetic acoustic transducer...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
...-ultrasonics, radiography, X-ray computed tomography, thermography, low-frequency vibration methods, acoustic emission, eddy current testing, optical holography, and shearography. The article presents some examples are for fiber-reinforced polymer-matrix composites. Many of the techniques have general...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006455
EISBN: 978-1-62708-190-0
... techniques tubular sections radiographic film processing THE TERM RADIOGRAPHY often refers to the specific radiological method that produces an image on film (conventional radiography) or digitally using detection systems that fluoresce once exposed to penetrating radiation (with x-rays or γ-rays...