Nonlinear Ultrasonic Characterization of Processing Defects in Wire Arc Additive Manufacturing 316L Stainless Steel. [PDF]
Materials (Basel)Wire Arc Additive Manufacturing (WAAM) 316L stainless steel unavoidably introduces defects such as porosity, oxide inclusions, and lack of fusion due to the inherent characteristics of the process.
Wang P +6 more
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Contact analysis and mathematical modeling of traveling wave ultrasonic motors [PDF]
, 2004 An analysis of the contact layer and a mathematical modeling of traveling wave ultrasonic motors (TWUM) are presented for the guidance of the design of contact layer and the analyses of the influence of the compressive force and contact layer on motor ...
Zhu, Meiling
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An Interface Pressure Detection Method of Cable Silicone Rubber-XLPE Based on Nonlinear Ultrasound
Applied Sciences, 2023 The interface pressure between the cable attachment and the body is crucial for the stable long-term operation of the cable. To solve the issue of interface insulation characteristics’ damage caused by the pressure transducer measurement method, a non ...
Chunhua Fang +7 more
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Creep degradation assessment in 9%Cr heat-resistant steel welded joints using ultrasonic methods
Results in Physics, 2019 The assessment of creep degradation in a 9%Cr heat-resistant steel welded joint has been carried out by means of nonlinear ultrasonic and traditional linear ultrasonic technique.
Xiao Wang +4 more
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Nondestructive testing method of SiCp particle dispersion in SiCp/AZ91D magnesium matrix composites
Cailiao gongcheng, 2023 SiCp/AZ91D magnesium matrix composites are widely used in the aerospace field, but there is less report on the distribution of SiCp particles in SiCp/AZ91D magnesium matrix composites by ultrasonic testing methods at home and abroad.
HU Ke +4 more
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Bayesian Spectral Estimation Applied to Echo Signals from Nonlinear Ultrasound Scatterers [PDF]
, 2010 The understanding and exploitation of acoustic echo signals from nonlinear ultrasound scatterers is an active research area that aims to improve the sensitivity and specificity of diagnostic imaging.
James R. Hopgood +9 more
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Large Area Detection of Microstructural Defects with Multi-Mode Ultrasonic Signals
Applied Sciences, 2022 Cyclic loading or other stresses can lead to development of cracks and crack growth in mechanical structures, leading to eventual failure. While ultrasound imaging can be used for non-destructive testing of such structures, conventional ultrasound ...
Taeho Ju, Alp T. Findikoglu
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Results in Physics, 2018 The fatigue damage of gear in sugarcane presser is one of the most common damages, which is very difficult to detect in sugar factory. The nonlinear ultrasonic technique is used to evaluate the fatigue damage of gear in this paper.
Hanying Mao +6 more
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Applied Sciences, 2020 In this research, some nondestructive ultrasonic techniques were employed to inquire into the effect of microstructural changes induced by thermal aging and cold work on the ultrasonic response. As thermal embrittlement is a risk to the safety of nuclear
Yu-Ju Lin +2 more
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Crack Detection of Threaded Steel Rods Based on Ultrasonic Guided Waves
Sensors, 2022 Fatigue cracks are typical damage of threaded steel rods under dynamic loads. This paper presents a study on ultrasonic guided waves-based, fatigue-crack detection of threaded rods.
Kunhong Peng +4 more
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