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Gorash, Yevgen
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Topics
Publications (17/17 displayed)
- 2024Assessing the very high cycle fatigue behaviour and frequency effect of structural steel welds
- 2023Ultrasonic fatigue testing of structural steel S275JR+AR with insights into corrosion, mean stress and frequency effectscitations
- 2023Ultrasonic fatigue testing of structural steel welded joints
- 2021Investigation of S275JR+AR structural steel fatigue performance in very high cycle domain
- 2019New formulation of nonlinear kinematic hardening model, part IIcitations
- 2019New formulation of nonlinear kinematic hardening model, part Icitations
- 2018High cycle fatigue analysis in the presence of autofrettage compressive residual stresscitations
- 2018Fatigue and corrosion fatigue life assessment with application to autofrettaged partscitations
- 2017Consideration of weld distortion throughout the identification of fatigue curve parameters using mean stress correction
- 2017On cyclic yield strength in definition of limits for characterisation of fatigue and creep behaviourcitations
- 2017Implementation of plasticity model for a steel with mixed cyclic softening and hardening and its application to fatigue assessments
- 2016Effect of high temperature on structural behaviour of metal-to-metal seal in a pressure relief valve
- 2016Application of multiscale approaches to the investigation of sealing surface deformation for the improvement of leak tightness in pressure relief valvescitations
- 2016A comparative study of simulated and experimental results for an extruding elastomeric component
- 2014Safe structural design for fatigue and creep using cyclic yield strength
- 2014Cyclic yield strength in definition of design limits for fatigue and creepcitations
- 2013High-Temperature Inelastic Behavior of the Austenitic Steel AISI Type 316citations
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document
Ultrasonic fatigue testing of structural steel welded joints
Abstract
In order to evaluate fatigue properties within the very high cycle fatigue (>107 cycles) regime in a feasible timeframe, ultrasonic fatigue testing is necessary. This involves exciting specimens at their natural frequency of 20 kHz. As the fatigue performance of welds beyond the conventionally assumed fatigue limit has not been extensively studied, this research aims to investigate the fatigue behaviour of structural steel welds up to the gigacycle (109 cycles) regime. A welded specimen that features the toe and root features that fatigue cracks typically originate from was developed. The design process and fatigue results obtained will be discussed.