strain measurement
Optical Strain Measurement of Plastic Strain Localization in Nuclear Waste Copper Canisters
... This study compared the localization of plastic deformation in EB and FSW welds as well as in the base materials (both forged and extruded) using optical strain measurement methods. The results show that in ...
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Strain measurement on four-dimensional dynamic-ventilation CT: quantitative analysis of abnormal respiratory deformation of the lung in COPD
... However, strain measurements during inspiration may provide additional insight into pulmonary physi- ology, and these measurements shown be performed in future ...
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Strain Measurement With Fiber Mach-Zehnder Interferometer Using Spatial Phase Measurement Techniques
... optic strain metrology system is developed by Butter and Hocker (1978) but the limitations of the system was fiber management and the manual fringe count ...for strain measurement system has been ...
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Calibration and evaluation of optical systems for full-field strain measurement
... of strain and consist of either substantial improvements in the capabilities of existing techniques such as in the area of digital photoelasticity, or new techniques such as image ...and strain analysis ...
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Flight Test Data System for Strain Measurement
... Figure 3-32: AD7708 (16-bit) dynamic beam testing results for the full-bridge configuration. The results for the dynamic test using the quarter-bridge configuration have more noise than the results for the half-bridge ...
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Computation of the Strand Resistance Using the Core Wire Strain Measurement
... the strain measured on the core wire, this measured strain should be representative of the strain of the core ...the strain measured locally at a spot where strain concentra- tion ...
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Close-to-process strain measurement in ultrasonic vibration-assisted turning
... multiple measurement positions on the sonotrode might enable estimations of cutting forces and current mode ...the strain gauges, ther- mal influences, mode shape detection, electrical bonding and ...
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Strain Measurement on a Compact Nuclear Reactor Pressurizer
... The hydrostatic test of the Pressurizer aims at evaluating the stress developed in the equipment during the pressurization and possible leaks through you weld surfaces, connections and gaskets. In order to evaluate the ...
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CHIRPED FIBRE BRAGG INTRAGRATING POSITION AND STRAIN MEASUREMENT SENSOR
... non-uniform strain fields and are capable of quantitatively evaluating the strain fields, identifying the location of strain gradients is extremely difficult and computationally expensive using the ...
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Displacement of Bridge Monitoring Techniques with Strain Measurement
... II. R ELATIONSHIP B ETWEEN S TRAIN A ND D ISPLACEMENT Inaudi. D. [1] proposed the displacement calculation algorithm by relationship between curvature and displacement, and this algorithm is available in the case of ...
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Strain behaviour of exposed steel reinforcement bars using FBG sensor
... as strain measurement system for civil ...on strain measurement for steel reinforcement bars due to different corrosion accelerated conditions is ...the strain changes which the FBG ...
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European Community water reactor safety research projects, Volume II. Nuclear Science and Technology, October 1979
... ExPerimental Facilities, Computer Codes_ The low cycle fatigue teats are performed with a serve-hydraulic universal testing machine with axial strain measurement and strain-control in th[r] ...
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Creep compression behaviour of a polyurethane foam from cryogenic temperatures: size effect and long-term prediction
... the strain measurement was performed by the digital correlation software tracking the displacement of four marks laid on the surface of a sample; the same compression test could be analysed by selecting ...
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Observations of Surface Acoustic Wave Strain and Resistive Strain Measurements on Broaching Tools for Process Monitoring
... process. Strain based measurement of broaching has received relatively little attention in the scientific ...wireless strain measurement using SAW sensors has not been reported ...Wireless ...
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High Temperature Strain Measurements using Welded Strain Gages
... • The installation A in the carbon steel beam presented better behavior for strain measurement relative to the load and temperature.[r] ...
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Characterization of mechanical behavior of a porcine pulmonary artery strip using a randomized uniaxial stretch and stretch-rate protocol
... is greater than average strain measured by optical strain measurement because of edge effects and local deforma- tion at the tip of the grip. Since the length of our specimen is relatively long ...
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Liquid Resin Infusion process monitoring with embedded superimposed long period and short period Bragg grating sensor.
... the strain measurement presented in Figure 6 are also validated by comparing the strain measured with our optical sensor and the strain deduced from the single FBG wavelength shift using the ...
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Determination of Tensile Properties of Polymers at High Strain Rates
... global strain measurement the different stress and strain data were calculated for the high rate tensile test with ...nominal strain measurement produces inaccurate results compared to ...
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Systematic Link of Modal Identification with Model Updating
... the strain measurement to make the measured DOFs and model DOFs coincide and used the strain generated by static loading to perform model ...the strain to perform model ...the ...
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Experimental methodology for the measurement of plasticity on metals at high strain-rates
... and strain by applying Bridgman theory ...high strain-rate an in-situ high speed shadowgraph technique has been developed, and to obtain better results from the images a sub-pixel accuracy edge detection ...
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