Results 31 to 40 of about 931 (167)
Anisotropy Corrected FMC/TFM Based Phased Array Ultrasonic Imaging in an Austenitic Buttering Layer
Applied Sciences, 2023 For the narrow gap dissimilar weld between a ferritic steel and a nickel base superalloy, a nickel base alloy buttering layer is deposited on the ferritic steel side as an intermediate layer. The bonding between the buttering layer and the ferritic steel
S. Ponseenivasan +2 more
doaj +1 more source
Research on defect quantification technique of Sparse array Total focusing method imaging based on Coherence factor weighting [PDF]
EPJ Web of ConferencesAdditive manufacturing technology is widely used in key components in the aerospace field due to its high manufacturing freedom and high precision. However, in the process of internal quality inspection of products, the signal attenuation caused by ...
Da Kang +6 more
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Rician Beamforming: Despeckle Method via Coarray Projection Stochastic Analysis
Applied Sciences, 2020 Current computation capabilities normal, Delay and Sum (DAS) and Total Focusing Method (TFM) allow new definitions for beamformers. In this paper, a new beamforming method is proposed. It exploits diversity across pixel data after focusing process.
Virginia Yagüe-Jiménez +3 more
doaj +1 more source
Inspection for non-planar shaped welded joints of pipes using FMC ultrasonic technique
e-Journal of Nondestructive Testing, 2023 In applying ultrasonic testing (UT) to pipes with welded joints, one of the challenges is about the access limitation of UT probes caused by non-planar weld reinforcement profiles.
Sho Yamaguchi +2 more
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Comparison of Ultrasonic Methods for Detecting Defects in Unidirectional Composite Material
Materials Research, 2021 Non-destructive tests are of pivotal importance in the industry, as they contribute to the decreasing of maintenance costs, reducing downtime and accidents.
Vanessa Vieira Gonçalves +2 more
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Total focusing method-based ultrasonic phased array imaging in thick structures [PDF]
, 2021 Ultrasonic nondestructive testing traditionally uses a conventional monolithic transducer. An approach similar to this comprising of independent single transmissions but with reception performed by all the elements in phased array ultrasonics is known as
Sumana, Sumana, Kumar, Anish
core
Research and Review Journal of Nondestructive Testing, 2023 Additive manufacturing (AM) is rapidly becoming a viable manufacturing method for industrial metallic parts. This is related to the benefits achieved, such as reducing material wastage, an increase in design freedom and weight savings.
C. Sofia Proença +3 more
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Sensors, 2020 Plane wave imaging (PWI) is attracting more attention in industrial nondestructive testing and evaluation (NDT&E). To further improve imaging quality and reduce reconstruction time in ultrasonic imaging with a limited active aperture, an optimized PWI ...
Hao Sui +3 more
doaj +1 more source
Aerospace, 2023 Carbon fiber-reinforced polymers (CFRP) are extensively used in aerospace applications. Out-of-plane wrinkles frequently occur in aerospace CFRP parts that are commonly large and complex.
Tengfei Ma +3 more
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Sensors, 2023 The ultrasonic detectability of buried defects within composite materials is dependent on the anisotropy of the composite material by which the propagation property of acoustic wave in each direction is variably affected.
Xiangting Xu +4 more
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