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Effects of factors from practical workpieces on ultrasonic LCR method stress measurement
The non-destructive stress measurement method is the main trend in residual stress analysis. The ultrasonic method, which utilizes the acoustoelastic...
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Methodology for Map** the Residual Stress Field in Serviced Rails Using LCR Waves
Non-destructive stress measurement by ultrasonic testing is based on calculating the acoustoelastic modulus obtained from the relationship between...
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Residual Stress Evaluation of Metallic Component Based on the Synthetic Nonlinear Coefficient
Because the effective evaluation the residual stress of metallic specimen has very significance components, the critical refracted longitudinal wave...
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Modeling the effect of microscale residual stresses on acoustoelasticity for carbon fiber composites
This study presents formulations for ultrasonic waves propagation in an unidirectional composite material made of carbon fiber (HexTow® AS4/HexPly®...
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Local Stress Measurement in Thin Aluminum Plates based on Zero-Group-Velocity Lamb mode
The stress state is critical to the reliability of structures, but existing ultrasonic methods are challenging to measure local stress. In this...
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Residual stresses in weld bead of low carbon steel plates welded by GMAW using LCR waves
This study investigates the effects of welding parameters on residual stresses (RS) in the weld bead of low carbon hot-rolled steel plates welded by...
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Ultrasonic testing to measure the stress statement of steel parts
This paper presents an efficient method for stress measurement propagation. Pulse-echo method are used as stress measurement method on railway...
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Ultrasonic Based Technique to Measure Residual Stresses in Offshore Structures
The offshore construction environment can be very difficult to be accurately predicted, due to various uncertainties in the geotechnical elements,...
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Nondestructive testing and characterization of residual stress field using an ultrasonic method
To address the difficulty in testing and calibrating the stress gradient in the depth direction of mechanical components, a new technology of...
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Experimental and numerical investigation into effect of weld configuration geometry on distribution of residual stress and temperature in the welded parts of stainless steel
In multi-pass grooved welding, residual stress and corresponding distortion are highly affected by welding process parameters, material properties,...
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Effect of cooling media on residual stresses induced by a solid-state welding: underwater FSW
In this article, the effect of cooling media on the residual stresses (RS) induced by a solid-state welding process is scrutinized through measuring...
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Influence of Grain Size on the Propagation of L\(_\mathrm{CR}\) Waves in Low Carbon Steel
The acoustoelastic theory states that mechanical stress relates to the wave speed. The microstructure of the materials influences the propagation of...
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Influence of Anisotropy Generated by Rolling on the Stress Measurement by Ultrasound in 7050 T7451 Aluminum
Stress applied to a material can be evaluated using ultrasonic waves. This practice is based on acoustoelastic theory, which relates the stress to...
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The Potential of Ultrasonic Non-Destructive Measurement of Residual Stresses by Modal Frequency Spacing using Leaky Lamb Waves
This paper investigates the potential of ultrasonic non-destructive measurements of residual stresses using the modal frequency spacing method based...
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Microstructure Effect on the Lcr Elastic Wave for Welding Residual Stress Measurement
The ultrasonic residual stresses measurement is based on the acoustoelastic effect that refers to the change in velocity of the elastic waves when...
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Application of L cr Waves to Evaluate Residual Stresses in the RIM of Railroad Forged Wheels
The process of manufacturing wrought railroad wheels consists of forging heated blocks of steel, which are machined, heated, and quenched to reach...
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A device for measuring the velocity of ultrasonic waves: An application to stress analysis
In this paper we present a device for the practical application of an ultrasonic critical-angle refractometry (UCRfr) technique. UCRfr is a technique...
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Stress evaluation by pulse-echo ultrasonic longitudinal wave
In this paper, an activity aimed at develo** an ultrasonic technique for evaluation of states of stress, and in the presence of gradients deriving...