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In the current Special Issue of Metals, we present six contributions from academia and industry. Based on their latest research developments, and achievements in their applied research field, the contributors elucidate the effect of temperature during forming operations that were closely analyzed via texture evaluation, present the opportunities that derive from microstructure and process simulation, and show how trace elements may affect critical properties in the performance of metallic materials. Bridging the gap between academia and industry, they provide all the necessary theoretical background through basic and applied research to meet the requirements for industrial application of the new and steadily optimized materials and concepts.

Technology: general issues --- History of engineering & technology --- DC Casting --- 5182 alloy --- crystallographic texture --- hot rolling --- cold rolling --- crystallographic components --- microstructural evolution --- aluminum --- LS-DYNA --- crown --- camber --- cooling --- temperature evolution --- hot ductility --- reactor pressure vessel steel --- grain boundary segregation --- dynamic recrystallization --- grain boundary sliding --- Al-Mg-Si alloys --- phase-field --- heat-treatment --- recrystallisation --- ageing --- precipitation hardening --- micress --- thermocalc --- pearlitic steel --- cold drawing --- second-phase particles --- non-metallic inclusions --- 3104 alloy --- tensile testing --- n/a

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Nondestructive testing and evaluation (NDT&E) is one of the most important techniques for determining the quality and safety of materials, components, devices, and structures. NDT&E technologies include ultrasonic testing (UT), magnetic particle testing (MT), magnetic flux leakage testing (MFLT), eddy current testing (ECT), radiation testing (RT), penetrant testing (PT), and visual testing (VT), and these are widely used throughout the modern industry. However, some NDT processes, such as those for cleaning specimens and removing paint, cause environmental pollution and must only be considered in limited environments (time, space, and sensor selection). Thus, NDT&E is classified as a typical 3D (dirty, dangerous, and difficult) job. In addition, NDT operators judge the presence of damage based on experience and subjective judgment, so in some cases, a flaw may not be detected during the test. Therefore, to obtain clearer test results, a means for the operator to determine flaws more easily should be provided. In addition, the test results should be organized systemically in order to identify the cause of the abnormality in the test specimen and to identify the progress of the damage quantitatively.

Technology: general issues --- History of engineering & technology --- composites --- multi-scale --- embedded damage --- non-destructive testing --- photoacoustic --- ultrasonic representation --- terahertz --- coded-aperture imaging --- convolution neural network (CNN) --- fast image reconstruction --- nondestructive evaluation --- acoustic nonlinearity parameter --- indirect method --- laser ultrasound --- fully non-contact --- surface acoustic wave --- UWB-PPM --- UWB-OOK --- buried objects --- nondestructive environment --- Levenberg-Marquardt method --- textured surface anomaly detection --- computer vision --- deep learning --- attention mechanism --- adaptive fusion --- power quality disturbances --- long short term memory --- convolutional neural network --- short time Fourier transform --- leaky Lamb wave --- semi-analytical finite element (SAFE) --- waveguide sensor --- finite-width plate --- waveguide plate --- width modes --- spatial beating --- Rayleigh-Sommerfeld integral (RSI) --- weld cracks --- eddy current nondestructive testing --- gradiently relative magnetic permeability --- heat affected zone --- austenitic stainless steel --- circulating fluidized bed combustion boiler --- water-cooled wall tube --- magnetic sensor array --- magnetic flux density --- flexible ultrasonic probe --- neutron irradiation embrittlement --- reactor pressure vessel --- magnetic nondestructive evaluation --- micromagnetic multiparameter microstructure and stress analysis 3MA --- magnetic adaptive testing --- 3D imaging of metal grains --- non-destructive testing methods --- stacking images --- SA106 carbon steel --- terahertz waves --- refractive index --- thickness measurement --- Shim stock films --- composite materials --- reflection mode --- neutron radiography --- Bragg-edge imaging --- gas tungsten arc welding (GTAW) --- low transformation temperature (LTT) steel --- austenite-to-martensite transformation --- Debye-Waller factor --- composites --- multi-scale --- embedded damage --- non-destructive testing --- photoacoustic --- ultrasonic representation --- terahertz --- coded-aperture imaging --- convolution neural network (CNN) --- fast image reconstruction --- nondestructive evaluation --- acoustic nonlinearity parameter --- indirect method --- laser ultrasound --- fully non-contact --- surface acoustic wave --- UWB-PPM --- UWB-OOK --- buried objects --- nondestructive environment --- Levenberg-Marquardt method --- textured surface anomaly detection --- computer vision --- deep learning --- attention mechanism --- adaptive fusion --- power quality disturbances --- long short term memory --- convolutional neural network --- short time Fourier transform --- leaky Lamb wave --- semi-analytical finite element (SAFE) --- waveguide sensor --- finite-width plate --- waveguide plate --- width modes --- spatial beating --- Rayleigh-Sommerfeld integral (RSI) --- weld cracks --- eddy current nondestructive testing --- gradiently relative magnetic permeability --- heat affected zone --- austenitic stainless steel --- circulating fluidized bed combustion boiler --- water-cooled wall tube --- magnetic sensor array --- magnetic flux density --- flexible ultrasonic probe --- neutron irradiation embrittlement --- reactor pressure vessel --- magnetic nondestructive evaluation --- micromagnetic multiparameter microstructure and stress analysis 3MA --- magnetic adaptive testing --- 3D imaging of metal grains --- non-destructive testing methods --- stacking images --- SA106 carbon steel --- terahertz waves --- refractive index --- thickness measurement --- Shim stock films --- composite materials --- reflection mode --- neutron radiography --- Bragg-edge imaging --- gas tungsten arc welding (GTAW) --- low transformation temperature (LTT) steel --- austenite-to-martensite transformation --- Debye-Waller factor

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Nondestructive testing and evaluation (NDT&E) is one of the most important techniques for determining the quality and safety of materials, components, devices, and structures. NDT&E technologies include ultrasonic testing (UT), magnetic particle testing (MT), magnetic flux leakage testing (MFLT), eddy current testing (ECT), radiation testing (RT), penetrant testing (PT), and visual testing (VT), and these are widely used throughout the modern industry. However, some NDT processes, such as those for cleaning specimens and removing paint, cause environmental pollution and must only be considered in limited environments (time, space, and sensor selection). Thus, NDT&E is classified as a typical 3D (dirty, dangerous, and difficult) job. In addition, NDT operators judge the presence of damage based on experience and subjective judgment, so in some cases, a flaw may not be detected during the test. Therefore, to obtain clearer test results, a means for the operator to determine flaws more easily should be provided. In addition, the test results should be organized systemically in order to identify the cause of the abnormality in the test specimen and to identify the progress of the damage quantitatively.

composites --- multi-scale --- embedded damage --- non-destructive testing --- photoacoustic --- ultrasonic representation --- terahertz --- coded-aperture imaging --- convolution neural network (CNN) --- fast image reconstruction --- nondestructive evaluation --- acoustic nonlinearity parameter --- indirect method --- laser ultrasound --- fully non-contact --- surface acoustic wave --- UWB-PPM --- UWB-OOK --- buried objects --- nondestructive environment --- Levenberg–Marquardt method --- textured surface anomaly detection --- computer vision --- deep learning --- attention mechanism --- adaptive fusion --- power quality disturbances --- long short term memory --- convolutional neural network --- short time Fourier transform --- leaky Lamb wave --- semi-analytical finite element (SAFE) --- waveguide sensor --- finite-width plate --- waveguide plate --- width modes --- spatial beating --- Rayleigh–Sommerfeld integral (RSI) --- weld cracks --- eddy current nondestructive testing --- gradiently relative magnetic permeability --- heat affected zone --- austenitic stainless steel --- circulating fluidized bed combustion boiler --- water-cooled wall tube --- magnetic sensor array --- magnetic flux density --- flexible ultrasonic probe --- neutron irradiation embrittlement --- reactor pressure vessel --- magnetic nondestructive evaluation --- micromagnetic multiparameter microstructure and stress analysis 3MA --- magnetic adaptive testing --- 3D imaging of metal grains --- non-destructive testing methods --- stacking images --- SA106 carbon steel --- terahertz waves --- refractive index --- thickness measurement --- Shim stock films --- composite materials --- reflection mode --- neutron radiography --- Bragg-edge imaging --- gas tungsten arc welding (GTAW) --- low transformation temperature (LTT) steel --- austenite-to-martensite transformation --- Debye–Waller factor --- n/a --- Levenberg-Marquardt method --- Rayleigh-Sommerfeld integral (RSI) --- Debye-Waller factor