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ground-penetration radar

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006475
EISBN: 978-1-62708-190-0
... evaluation (NDE). The article concludes with information on ground-penetration radar (GPR) that uses electromagnetic radiation and detects the reflected signals from subsurface structures. absorption spectroscopy composite structures dielectric materials electromagnetic radiation electromagnetic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... Some methods such as pressure drop only confirm leak presence/absence. Other techniques help locate leak. … Any gas or liquid container, tank, vessel, or pipe including metal, concrete, and composite Microwave, millimeter wave, terahertz, ground penetrating radar Electromagnetic radiation from...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 30 January 2024
DOI: 10.31399/asm.hb.v12.a0006844
EISBN: 978-1-62708-387-4
... be practically recovered. This activity is fundamentally a visual examination, albeit one that may be aided by radar, mapping, or aerial surveillance (see also the article “ Modeling and Accident Reconstruction ” in Failure Analysis and Prevention , Volume 11 of ASM Handbook , 2021; Ref 1 ). Documentation...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003457
EISBN: 978-1-62708-195-5
... damaged by minor lightning strikes and two elevators were damaged during ground handling. The most severe damage occurred when the static discharge of one B-727 penetrated the elevator of another B-727 during ground handling. Skin panels were punctured, resulting in four holes in the lower surface and one...
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
... techniques help locate leak. … Any gas or liquid container, tank, vessel, or pipe, including metal, concrete, and composite Microwave, millimeter wave, terahertz, ground-penetrating radar Electromagnetic radiation from ~10 GHz to 10 THz used in either through-transmission or reflectance mode Airport...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
..., there is no way to separate the response from a single parameter, or there is not an accurate response to a single parameter in other cases. Consider, for example, the case of penetrant inspection. The indications formed are usually greater in length, width, or area than the discontinuity present because...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004127
EISBN: 978-1-62708-184-9
.... Geographic location affects temperature, humidity, and air quality of ground based squadrons. The severe conditions associated with aircraft carrier based squadrons ( Fig. 2 ) create the most challenging corrosion-control issues within aviation. While flight conditions and landing and takeoff events...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003844
EISBN: 978-1-62708-183-2
... readily absorbed and has less penetrating effect than longer λ. Radio waves can be transmitted over long distances, compared to television and radar with shorter λ, which allows transmission generally along a line-of-sight. Gamma radiation and x-ray radiation are not found in solar radiation but result...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... by different types of foreign matter varies considerably. Foreign matter that is fine, or soft enough to be ground fine by the rolling action of the balls or rollers, will have the same effect as that resulting from the presence of a fine abrasive or lapping material. Both raceways and rolling elements become...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
... inspection; LP = liquid penetrant; EC = eddy current; PEC = pulsed eddy current; MP = magnetic particle; FL = flux leakage; RF = remote field; MW = microwave; UT = ultrasonic testing; AE = acoustic emission; RT = radiographic testing. Source: Ref 4 Specification Requirements Standards...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... to produce stucco particles, and it is ground to a powder for use in slurries. Its extremely low coefficient of thermal expansion imparts thermal shock resistance to molds, and its ready solubility in molten caustic and caustic solutions provides a means of removing shell material chemically from areas...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004170
EISBN: 978-1-62708-184-9
... carbon is conductive even at low RH. In locations within 1 km (0.6 mile) from the coast, airborne chloride concentrations are sufficiently high to cause corrosion failures of electronic components. Circuit boards in radar systems, video game machines, and entertainment equipment are particularly...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... tester Optical microscope and/or a borescope with low-to-moderate magnification Metallographic polishing and chemical etching kit Dye penetrant kit Magnetic-particle inspection kit Simple chemical tests for plating and alloy identification Visual inspection assisted by optical...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004168
EISBN: 978-1-62708-184-9
... Chemistry Portland cement is a mixture of silicates and aluminates formed at high temperature in a kiln and collectively known as clinker. The clinker is finely ground with a relatively small amount of a calcium sulfate known as gypsum. The resulting mixture is cementitious and reacts with water...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005863
EISBN: 978-1-62708-167-2
...% of all power induced by an induction coil will be concentrated in the surface layer (the “skin”). This layer is called the reference depth or current penetration depth and is typically designated by the symbol δ. The skin effect is considered as a fundamental property of any process that relies...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006009
EISBN: 978-1-62708-172-6
... to assure good penetration and adhesion. These linings include several systems varying in thickness, type of fillers and reinforcement, and application method. For each lining system, various polyester and vinyl ester resin bases are used to achieve the desired chemical resistance (excerpted from...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006018
EISBN: 978-1-62708-175-7
... the grounded magnetic brush. Lacquer-coated carriers provide the best compromise between print quality (low resistivity) and developer life (good release properties). A variety of polymeric materials have been used effectively for carrier core coatings. Styrene-acrylic copolymers, vinyl chloride-acetate...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... of being highly resistant to penetration and fallout after breakage. For this reason, it is widely used in overhead glazing. Laminated glass also gives the maximum possible protection against ultraviolet (UV)-induced fading of furnishings and organic-based materials without any major reduction of visible...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005244
EISBN: 978-1-62708-187-0
... is functioning properly, some buildup will occur; it should be removed frequently because it adversely affects core dimensions and quality. One method of removing buildup is blasting with ground walnut hulls, corn cobs, or other soft media. Solvents can also be used. Minimum amounts of release agents should...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9