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ultrasonic measurement

Semi automatic system for ultrasonic measurement of texture

Semi-automatic system for ultrasonic measurement of texture

... A means and method for ultrasonic measurement of texture non-destructively and efficiently. Texture characteristics are derived by transmitting ultrasound energy into the material, measuring the time it ...

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Detectability of Holes in SiC Particulate Reinforced Al Si Alloy Composite by Means of Ultrasonic Measurement

Detectability of Holes in SiC Particulate Reinforced Al Si Alloy Composite by Means of Ultrasonic Measurement

... The ultrasonic measurement was carried out with the MMC and Al ­ Si alloy castings with holes of 2 mm in diameter introduced at a depth of 2 ­ 10 ...the ultrasonic wave measured with the MMC castings ...

8

Ultrasonic Measurement for Film Thickness and Solid Contact in Elastohydrodynamic Lubrication

Ultrasonic Measurement for Film Thickness and Solid Contact in Elastohydrodynamic Lubrication

... of ultrasonic waves from the lubricated contact between a sliding steel ball and a flat steel disc when substantial solid contact ...the ultrasonic reflection results a mixed regime model for a circular ...

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Analysis of a Semi Automatic System for the Ultrasonic Measurement of Texture

Analysis of a Semi Automatic System for the Ultrasonic Measurement of Texture

... Comparison to evaluation of the systematic errors between ultrasonic and diffraction determinations of ODC's establish that the accuracy of the semi-automatic system does not limit the i[r] ...

8

Means and method for ultrasonic measurement of material properties

Means and method for ultrasonic measurement of material properties

... field measurement of texture, stress and related material properties such as formability parameters using ultrasonic velocity measurements through crystalline plate or ...receive ultrasonic bursts ...

15

Ultrasonic Measurement of Texture of Cubic and Hexagonal Materials

Ultrasonic Measurement of Texture of Cubic and Hexagonal Materials

... However, W400 must be determined from absolute measurements of So or SHo wave velocities, hence the errors associated with the estimates are larger compared to those ofW420 and W440· A c[r] ...

8

Annular arrays for novel ultrasonic measurement techniques

Annular arrays for novel ultrasonic measurement techniques

... Conventional ultrasonic pulse-echo methods measure the time of flight (ToF) as the only quantity. This is used to determine the sound velocity or the distance of a reflector, while the other quantity has to be ...

8

Improvements in Ultrasonic Measurement Modeling with Applications to Ultrasonic Reliability

Improvements in Ultrasonic Measurement Modeling with Applications to Ultrasonic Reliability

... Comparison of experimental open circles and simulated solid line = MOOT, dashed line = Kirchhoff peak signal amplitudes for a circular crack in INlOO as a function of illumination angle.[r] ...

7

Method of ultrasonic measurement of texture

Method of ultrasonic measurement of texture

... of ultrasonic energy waves in lower order plate modes in one or more directions, and measuring phase velocity dispersion of higher order modes of the plate or sheet if ...

14

Method of ultrasonic measurement of texture

Method of ultrasonic measurement of texture

... non-destructive ultrasonic investigation includes measuring the velocity of ultrasonic energy waves in lower order plate modes in one or more directions, and measuring phase velocity dispersion of higher ...

14

A Study of Flowrate Calculation Using ESPRIT Technique for Ultrasonic Velocity Profiles

A Study of Flowrate Calculation Using ESPRIT Technique for Ultrasonic Velocity Profiles

... their measurement reliability is influenced by variations in metal deposition, corrosion, higher pressure losses, installation costs increased when the impulse lines and surface wear inside the ...nonintrusive ...

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A Portable Ultrasonic Bone Densitometer For The Measurement Of Multiple Sites

A Portable Ultrasonic Bone Densitometer For The Measurement Of Multiple Sites

... of ultrasonic measurement are: (a) through-transmission: broadband ultrasonic attenuation (BUA) and speed of sound at the calcaneus (SOS), (b) axial-transmission: speed of sound of the first arriving ...

9

A multifrequency FM based ultrasonic system for accuracy 3D measurement

A multifrequency FM based ultrasonic system for accuracy 3D measurement

... 3D measurement systems in space. High accuracy 3D position measurement systems have typically been dominated by optical methods at a high associated ...one-dimensional ultrasonic measurement ...

7

Ultrasonic Characterization And Micro-Structural Studies On 2205 Duplex Stainless Steel In Thermal Variations

Ultrasonic Characterization And Micro-Structural Studies On 2205 Duplex Stainless Steel In Thermal Variations

... the ultrasonic measurement is shown in ...by ultrasonic technique the contact pulse-echo method in an Olympus Panametrics NDT model 5800 unit using both 5MHz longitudinal and shear wave probe at room ...

5

Ultrasonic sensor Height Detector

Ultrasonic sensor Height Detector

... distance measurement device using ...distance measurement system having 90% ...the ultrasonic measurement system for underwater ...uses ultrasonic system, laser system as well as camera ...

6

Ultrasonic cartilage thickness measurement is accurate, reproducible, and reliable—validation study using contrast-enhanced micro-CT

Ultrasonic cartilage thickness measurement is accurate, reproducible, and reliable—validation study using contrast-enhanced micro-CT

... Ultrasonic measurement of cartilage thickness is an inex- pensive, radiation-free, and patient-friendly alternative to ...for ultrasonic thickness measurement have been reported (Table ...of ...

10

Close-to-process strain measurement in ultrasonic vibration-assisted turning

Close-to-process strain measurement in ultrasonic vibration-assisted turning

... of measurement positions was realized. Figure 3 illustrates the ultrasonic vibration-assisted system employed and shows the positions of the six strain gauges on the surface of the ...

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Bubble Size Measurement by the Ultrasonic Pulse Echo with Tracking Technique

Bubble Size Measurement by the Ultrasonic Pulse Echo with Tracking Technique

... the measurement of bubble sizes is crucial for understanding phase ...non-intrusive measurement of the bubble surface position in one dimension even when there is no optical access to the ...simultaneous ...

17

The real-time measurement of wear using ultrasonic reflectometry

The real-time measurement of wear using ultrasonic reflectometry

... Eddy current, linear potentiometers and laser displacement sensors are all devices that are used to measure position and displacement. By mounting a sensor on a fixed position measuring the displacement of the moving ...

12

Two dimensional flexural ultrasonic phased array for flow measurement

Two dimensional flexural ultrasonic phased array for flow measurement

... the measurement range of transit-time ultrasonic flow meters are undermined by the sound drift ...flexural ultrasonic phased arrays is investigated in this ...

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