Results 81 to 90 of about 224,379 (314)
A match coefficient approach for damage imaging in structural components by ultrasonic synthetic aperture focus [PDF]
, 2017 Ultrasonic Synthetic Aperture Focus (SAF) techniques are commonly used to image structural defects. In this paper, a variation of SAF based on ideas borrowed from Matched Field Processing (MFP) is evaluated to reduce artifacts and sidelobes of the ...
Lanza di Scalea, F. +4 more
core +1 more source
Advanced Engineering Materials, EarlyView.The documentation of component manufacture has become an essential part of today's production processes, especially for the analysis and optimization of production or component design with regard to structural performance, economic efficiency, and sustainability.
Björn Denker +4 more
wiley +1 more source
Ultrasonic fatigue tests at high temperature on an austenitic steel
Propulsion and Power Research, 2012 The objective of this paper is to study the gigacycle fatigue behavior of an austenitic steel at temperatures of 600 °C and 700 °C under fully reverse loading (R=−1).
D. Wagner +3 more
doaj +1 more source
Experimental methodologies to support aircraft icing analysis [PDF]
The experimental methodologies are illustrated by graphs, charts and line drawings. Typical ultrasonic echo signals for dry and wet ice growth, ice accretion rates for various tunnel configurations, the experimental configuration for flight tests of the ...
Hansman, R. John, Jr., Kirby, Mark S.
core +1 more source
A method for the measurement of hydrodynamic oil films using ultrasonic reflection [PDF]
, 2004 The measurement of the thickness of an oil film in a lubricated component is essential information for performance monitoring and control. In this work, a new method for oil film thickness measurement, based on the reflection of ultrasound, is evaluated ...
Drinkwater, B.W. +2 more
core +1 more source
An Inkjet‐Printed Platinum‐Based Temperature Sensing Element on Polyimide Substrates
Advanced Engineering Materials, EarlyView.An inkjet‐printed, meander‐structured, nanoparticle platinum‐based resistive temperature sensors on polyimide substrates are demonstrated as proof‐of‐concept. Optimized sintering at 250°C enables stable conductive structures. The Pt100‐ and Pt1000‐type sensors exhibit linear resistance–temperature characteristics with stable TCR in the 20°C–80°C range,
Shawon Alam +6 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar +2 more
wiley +1 more source
Technology of removing near wellbore inorganic scale damage by high power ultrasonic treatment
Petroleum Exploration and Development, 2011 The effects of ultrasonic treatment and the influence of ultrasonic parameters, process parameters and core physical parameters on the results of ultrasonic treatment for removal of near wellbore inorganic scale damage were studied using the self ...
Chunsheng Pu +4 more
doaj +1 more source
Testing procedures for carbon fiber reinforced plastic components [PDF]
Tests for studying the basic material are considered and quality control investigations involving preimpregnated materials (prepreg) are discussed.
Gosse, H. J., Kaitatzidi, M., Roth, S.
core +1 more source
Non-Destructive Inspection of Impact Damage in Composite Aircraft Panels by Ultrasonic Guided Waves and Statistical Processing. [PDF]
, 2017 This paper discusses a non-destructive evaluation (NDE) technique for the detection of damage in composite aircraft structures following high energy wide area blunt impact (HEWABI) from ground service equipment (GSE), such as heavy cargo loaders and ...
Capriotti, Margherita +3 more
core +2 more sources