ultrasonic pulse-echo method
Ultrasonic Characterization And Micro-Structural Studies On 2205 Duplex Stainless Steel In Thermal Variations
... nondestructive method of material ...by ultrasonic pulse –echo technique and optical ...the ultrasonic velocity is dependent on both ferrite and austenite ratio and the grain ...
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Pulse-Echo Ultrasonic Testing of Adhesively Bonded Joints in Glass Façades
... a pulse-echo ultrasonic method of evaluation of adhesively bonded joints in glass façades by means of the amplitudes of reflected ultrasonic ...that pulse-echo ...
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Estimation of Compressive Strength and Member Size of Steel Fiber Reinforced Concrete Using Stress Wave-Driven Nondestructive Test Methods
... test method, which is a quality management instrument, to assess the quality management and applicability of steel fiber reinforced con- ...test method is different from the ordinary destructive test ...
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Evaluation of the Early Age Condition of Concrete Structures Using Impact Echo Method and Ultrasonic Pulse Velocity Method
... impact echo method is based on the use of temporary stress waves generated by an elastic ...impact echo method can be used to identify defects in a material and the position of the ...
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Characterization and comparison of defects detection limits of three ultrasonic non destructive methods
... three ultrasonic methods able to satisfy aviation industry ...contact pulse echo ultrasound could be the most adapted method for multilayered composite with Teflon insert ...immersion ...
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Effect of Temperature on Ultrasonic Velocities, Attenuations, Reflection and Transmission Coefficients between Motor Oil and Carbon Steel Estimated by Pulse-echo Technique of Ultrasonic Testing Method
... steel, ultrasonic non-destructive testing method was widely ...the ultrasonic method for early detection of thermal damage in steel [8], Vera Lúcia de Araújo Freitas et al showed that the ...
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Ultrasonic studies on molecular interaction of substituted thiazolidines in acetone using pulse echo technique
... “sensitive” method of determining the conditions under which proteins are most ...and ultrasonic velocity increases with increase in molar ...the ultrasonic velocity in the liquid solution which ...
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Application of Model-Based Estimation to Time-Delay Estimation of Ultrasonic Testing Signals
... of ultrasonic nondestructive testing is thickness measurement of industrial ...of ultrasonic thickness gauging are as ...voltage pulse generated by an ultrasonic pulsar into an ...
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Non Destructive Test Application in Civil Infrastructure
... are ultrasonic pulse velocity method, surface hardness method, penetration resistant method, pullout test, the impact-echo system, infrared thermography, ground penetration ...
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Simulation of Non-destructive Testing Methods of Ultrasound in Concrete Columns
... The present Investigation evaluated, through simulations using the Toolbox for Matlab K- Wave, two non-destructive testing methods based on ultrasound (longitudinal transmission method and pulse-echo ...
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Research on Feature Extraction for Flaw Ultrasonic Echo Based on Wavelet Pack Analysis
... the echo of ultrasonic wave which detects the bonding defects successfully, the results show that wavelet analysis can filter signal in different ranges of ...of echo to identify the different ...
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Comparision between Destructive and Non Destructive Test on Concrete
... NDT method is only one predominant method to find the strength of existing concrete and concrete structure, and to judge the quality of ...hammer, ultrasonic pulse velocity test, penetration ...
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Higher non-HDL-cholesterol to HDL-cholesterol ratio linked with increased nonalcoholic steatohepatitis
... (square meters). Waist circumference was measured in centimeters. The blood pressure values were presented as the means of two measurements taken in the sitting position according to a standard protocol. The levels of ...
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EVALUATION OF CONCRETE STRENGTH OF IN-SERVICE BUILDINGS BY NON- DESTRUCTIVE TESTING TECHNIQUES
... the ultrasonic pulse velocity method is the only one of this type that shows potential for testing concrete strength in ...an ultrasonic pulse passing through the ...a pulse ...
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Fetal Anemia Caused by Prenatal Gastrointestinal Bleeding: A Case Report
... Fetal gastric bubble is usually visualized as a uniform body on low echoic image. If a high-brightness echo is observed in the fetal stomach bubble, it is a reservoir image of the decomposition products of ...
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Electronic Architecture for Air Coupled Ultrasonic Pulse Echo Range Finding with Application to Security and Surface Profile Imaging
... include ultrasonic sonar ranging IC PW0268, piezoelectric horn driver RE46C100, and the recently released ultrasonic sensor signal conditioner PGA-450, which includes an on-chip microcontroller, or piezo ...
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Electronic architecture for air coupled ultrasonic pulse echo range finding with application to security and surface profile imaging
... include ultrasonic sonar ranging IC PW0268, piezoelectric horn driver RE46C100, and the recently released ultrasonic sensor signal conditioner PGA-450, which includes an on-chip microcontroller, or piezo ...
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Cervical spondylosis: three dimensional gradient echo MR with magnetization transfer
... gradient-echo pulse se- quence with magnetization transfer at a short echo time against standard 3DFT gradient-echo technique in the evaluation of cervical spondylosis, specifically addressing ...
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A Study on the Estimation of Compressive Strength of Structural Timber using Ultrasonic Pulse Velocity Method
... test method sare the easiest methods that can diagnosis the status of the ...and ultrasonic pulse velocity of structural timber using the Ultrasonic Pulse Velocity ...that ...
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Acoustic radiation force impulse imaging: Method comparison and two dimensional imaging
... in ultrasonic signals. However, the acquired RF echo data are required to be up-sampled to GHz so as to give micron scale precision between ...Spectrum) method are compared using both simulated ...
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