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In this Special Issue of Sensors, seven peer-reviewed manuscripts appear on the topic of ultrasonic transducer design and operation in harsh environments: elevated temperature, high gamma and neutron radiation fields, or the presence of aggressive chemicals. Motivations for these research and development projects are strongly focused on nuclear power plant inspections (particularly liquid-sodium cooled reactors), and nondestructive testing of high-temperature piping installations. It is anticipated that extensive use of permanently mounted robust transducers for in-service monitoring of petrochemical plants and power generations stations; quality control in manufacturing plants; and primary and secondary process monitoring in the fabrication of engineering materials will soon be made.
nuclear power plants --- pressurized water reactor fuel rods --- ultrasonic transducer --- PMN-PT --- neutron irradiation --- non-destructive evaluation --- ultrasonic transducer --- NDT --- NDE --- sodium --- reactor --- ultrasound --- TUCSS --- ISI& --- R --- SFR --- FBR --- SFR --- in-service inspection --- imaging --- ultrasonic transducer --- NDT (Non Destructive Testing) --- NDE (Non Destructive Evaluation) --- EMAT sensor --- Phased Array --- L-waves --- liquid sodium --- inspection --- NDE --- SFR --- piezoelectric --- high-temperature ultrasonic testing --- radiation resistance --- field-deployable sensor --- guided-wave send–receive --- spray-on transducers --- piezocomposites --- ultrasonic transducer --- elevated temperature --- dry coupling --- harsh environment --- lithium niobate --- gallium phosphate --- piezoelectric wafer active sensor --- thickness shear --- high-temperature monitoring --- ultrasonic --- guided wave --- structural health monitoring --- ultrasound --- nondestructive testing --- ultrasonic transducer --- high temperature --- radiation
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This book was proposed and organized as a means to present recent developments in the field of nondestructive testing of materials in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of nondestructive testing of different materials in civil engineering—from building materials to building structures. The current trend in the development of nondestructive testing of materials in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. From this point of view, interesting results with significance for building practices have been obtained
non-destructive testing --- masonry structures --- strengthening --- ultrasonic tomography --- adhesion assessment --- autoclaved aerated concrete (AAC) --- compressive strength --- shape and size of specimen --- moisture of AAC --- ultrasonic testing --- gantry crane --- RMF technique --- civil engineering --- fibre-cement boards --- non-destructive testing --- acoustic emission --- degree of degradation --- thermovision --- active thermography --- thermal contrast --- defect detection --- location of inclusions --- non-destructive testing --- materials research --- building partition --- cement-based composites --- fiber cement boards --- durability --- ultrasound measurements --- spun concrete --- micro-computed tomography --- nanoindentation --- deconvolution --- mathematical morphology --- non-destructive evaluation --- structural damage --- natural frequency --- singular value truncation --- multiple feedbacks --- data noise --- NDT methods --- rebar location --- eddy-current method --- GPR method --- concrete --- concrete mix design --- concrete strength prediction --- data mining --- machine learning --- timber structures --- non-destructive methods --- ultrasonic wave --- stress wave --- drilling resistance --- X-ray micro-computed tomography --- waste brick dust --- adsorption --- lead --- cesium --- surface complexation --- precipitation --- solid-state NMR spectroscopy --- Lamb waves --- scanning laser vibrometry --- adhesive joints --- non-destructive testing --- damage detection --- excitation frequency --- nondestructive testing --- thermography --- monitoring of structures --- reinforced concrete chimney --- corrosion processes --- service life of a structure --- viscoelastic parameters --- creep test --- fatigue tests --- asphalt mixtures --- Burgers model --- four point bending beam --- pattern recognition --- acoustic emission --- Structural Health Monitoring --- brittle fracture --- diagnostics --- non-destructive testing --- reinforced concrete grandstand stadium --- vibration analysis --- crowd-induced excitation --- structural tuning --- concrete slabs and floorings --- horizontal casting --- compressive strength --- ultrasonic tests --- fibre-cement boards --- non-destructive testing --- acoustic emission --- artificial neural networks --- SEM --- non-destructive method --- damage --- mercury intrusion porosimetry --- X-ray computed tomography --- acoustic emission AE --- acoustic spectrum --- quasi brittle cement composites --- destruction process --- resistance measurement --- wood moisture sensing --- non-destructive testing --- moisture safety --- cellulose fibre cement boards --- microstructure --- nanoindentation --- SEM-EDS analysis --- temperature --- concrete elements --- concrete strength --- reinforced concrete tanks --- concrete corrosion --- sulphate corrosion --- ultrasound tests --- rebound hammer --- SilverSchmidt --- concrete --- compressive strength --- non-destructive testing --- non-destructive testing --- diagnostic --- acoustic methods --- ultrasound --- building materials --- defects
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