Results 31 to 40 of about 25,101 (215)

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

Real-Time Industrial Water Pollution Evaluation Using Edge–Cloud IoT Architecture and Multi-Parameter Sensing

open access: yesNDT - Journal of Non-Destructive Testing
The escalating concerns regarding environmental pollution, particularly industrial water pollution, have necessitated the development of advanced monitoring systems to ensure water resource safety and sustainability. This paper presents an innovative IoT-
Anwar Ali Sathio   +3 more
doaj   +1 more source

Investigation to local defect resonance for non-destructive testing of composites [PDF]

open access: yes, 2018
Local defect resonance (LDR) makes use of high frequency vibrations to get a localized resonant activation of a defective region. In this study, the LDR behavior of carbon fiber reinforced polymer (CFRP) coupons with three different types of damages is ...
Calderon Tellez, Javier Andres   +5 more
core   +1 more source

Intelligent Operator‐Independent Flexibility in Robotic Non‐Destructive Evaluation

open access: yesAdvanced Intelligent Systems, EarlyView.
Non‐destructive evaluation of high‐value components remains a manufacturing bottleneck due to rigid robotic calibration and fixturing. This study presents a flexible, adaptable system integrating 3D vision and force‐position control with a collaborative KUKA LBR robot. The geometry‐agnostic system enables pose‐independent ultrasonic inspection, detects
Amine Hifi   +11 more
wiley   +1 more source

Advanced Defect Detection on Curved Aeronautical Surfaces Through Infrared Imaging and Deep Learning

open access: yesNDT - Journal of Non-Destructive Testing
Detecting defects on aerospace surfaces is critical to ensure safety and maintain the integrity of aircraft structures. Traditional methods often need more precision and efficiency for effective defect detection.
Leith Bounenni   +6 more
doaj   +1 more source

NON-DESTRUCTIVE INSPECTION BY INFRARED THERMOGRAPHY OF RESISTANCE SPOT WELDS USED IN AUTOMOTIVE INDUSTRY

open access: yesActa Polytechnica, 2019
Resistance spot welding (RSW) is one of the main joining technologies of thin sheets in the automotive industry. Key factors affecting the strength of the RSW joint are the nugget diameter, asymmetry, expulsions, intended surfaces, and the presence of ...
Lucie Forejtová   +5 more
doaj   +1 more source

Стандартизація та сертифікація в управлінні якістю у машинобудуванні [PDF]

open access: yes, 2006
Розглянуті основні положення сертифікації технічного персоналу на підприємствах машинобудування у галузі неруйнівного контролю матеріалів та виробів. Приведені витяги Стандарту Українського товариства неруйнівного контролю та технічної діагностики СТТУ
Троїцький, В. О.   +2 more
core  

An omnidirectional shear horizontal wave transducer based on ring array of face-shear (d24) piezoelectric ceramics

open access: yes, 2016
The non-dispersive fundamental shear horizontal (SH0) wave in plate-like structures is of practical importance in non-destructive testing (NDT) and structural health monitoring (SHM).
Huan, Qiang   +3 more
core   +1 more source

Increasing the Reuse Potential of High‐Strength Steels by Extending the Fatigue Life through Surface Treatments

open access: yessteel research international, EarlyView.
Surface reconditioning through mechanical and electrochemical polishing is shown to extend the fatigue life of predamaged 42CrMo4 steel by over 12 times. By removing ≈100 μm of surface material, surface‐driven fatigue damage is mitigated. This study introduces a reuse potential metric to evaluate fatigue recovery and support sustainable steel reuse. To
Ayush Shrivastava   +7 more
wiley   +1 more source

Automated Defect Detection through Flaw Grading in Non-Destructive Testing Digital X-ray Radiography

open access: yesNDT - Journal of Non-Destructive Testing
Process automation utilizes specialized technology and equipment to automate and enhance production processes, leading to higher manufacturing efficiency, higher productivity, and cost savings.
Bata Hena   +3 more
doaj   +1 more source

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