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Browsing by Author "Lage, Yoann"
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Automation in Strain and Temperature Control on VHCF with na Ultrasonic Testing Facility
deFreitas, Manuel; Lage, Yoann; Ribeiro, A. M. R.; Montalvão, Diogo; Reis, Luís (2013-05-22)The necessity of increased safety and reliability in mechanical components or structures became a subject of prime importance over the years. Therefore, to have a proper understanding of the damage and rupture mechanisms ... -
Instumentation of Ultrasonic High-Frequency Machine to Estimate Applied Stress in Middle Section of Specimen
Lage, Yoann; Freitas, Manuel; Reis, Luís; Ribeiro, A. M. R.; Montalvao, Diogo (2012-07)The objective of this paper is to describe the instrumentation of a new developed ultrasonic fatigue testing machine at 20 kHz working frequency and compare the possible solutions to estimate the stress applied in the ... -
Ultrasonic Fatigue Analysis on Steel Specimen with Temperature Control : Evaluation of Variable Temperature Effect
Lage, Yoann; Freitas, Manuel; Montalvao, Diogo; Ribeiro, A. M. R.; Reis, Luís (2012)