Results 51 to 60 of about 68,049 (303)
Applied Sciences, 2018 Thermal nondestructive testing can be used to inspect reinforced concrete supports that are widely used in various industries. Corrosion damage is a typical defect found in these supports. Corrosion usually starts as a separation between the concrete and
Dmitry Valeryevich Sannikov +3 more
doaj +1 more source
Composite mobile system for holographic nondestructive testing [PDF]
, 1972 Innovation provides a single system flexible enough to test objects ranging from large amplitude displacement and/or velocities down to extremely small displacements and/or velocities by making only a few minor adjustments in the component ...
Kurtz, R. L.
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Advanced Functional Materials, EarlyView.Bioprosthetic aortic valves have revolutionized the treatment of aortic stenosis, but their durability is limited by structural valve deterioration (SVD). This review focuses on the pericardial tissue at the heart of these valves, examining how its mechanical properties and calcification drive fatigue and failure.
Gabriele Greco +7 more
wiley +1 more source
Quality control of microelectronic wire bonds [PDF]
, 1975 Report evaluates ultrasonic bonding of small-diameter aluminum wire joined to ceramic substrates metalized with thin-film and thick-film gold.
Schmidt, G. D., Thiel, R. A.
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Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application
Advanced Materials, EarlyView.This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong +12 more
wiley +1 more source
Journal of Aeronautical MaterialsTraditional ultrasonic automated non-destructive testing is a great challenge in the inspection of aviation components with complex surfaces. Complex surfaces can interfere with the formation of the focus in the sound beam，and the waveform transformation
CHEN Yao +5 more
doaj +1 more source
Qualifications and certification of nondestructive testing personnel [PDF]
, 1971 Personnel handbook states criteria for test methods including radiation, ultrasonics, eddy current, liquid penetrant, and magnetic particle.
Kirk, M. K.
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Advanced Materials, EarlyView.This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau +9 more
wiley +1 more source
Soft Tactile Coil‐Based Sensor for Misalignment Detection of Adhesive Fibrillary Gripping Systems
Advanced Sensor ResearchMicropatterned dry adhesive systems are a promising alternative to conventional handling solutions. However, the use of these gripping systems still requires precise manual adjustment of the gripping parameters.
Simon Herter +2 more
doaj +1 more source
Nondestructive testing using ultrasonic sensor [PDF]
, 2016 Nondestructive testing (NDT) is the process of inspection or evaluating materials or component without destroying the functionality, serviceability and the structure of the testing product.
Abd Rahman, Muhamad Umar Faruq +3 more
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