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Journal Articles Materials Science and Engineering: A Year : 2016

Thermal response of DP600 dual-phase steel under ultrasonic fatigue loading

Abstract

The present work employed in situ infrared thermography to investigate the thermal response and dissipative mechanisms of a dual-phase steel under ultrasonic tension-compression fatigue testing. A classical thermal response occurred for stress amplitudes below 247 MPa but an abnormal thermal response was observed for stress amplitudes above 247 MPa, in that the temperature stabilized after a steep increase of up to 350 °C. The mean dissipated energy per cycle was estimated based on temperature measurements using the heat diffusion equation. The relationship between the mean dissipated energy per cycle and the stress amplitude was studied, and mechanisms related to the observed thermal response were discussed.
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Dates and versions

hal-01377599 , version 1 (07-10-2016)

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Noushin Torabian, Véronique Favier, Saeed Ziaei-Rad, Justin Dirrenberger, Frédéric Adamski, et al.. Thermal response of DP600 dual-phase steel under ultrasonic fatigue loading. Materials Science and Engineering: A, 2016, 677, pp.97-105. ⟨10.1016/j.msea.2016.09.025⟩. ⟨hal-01377599⟩
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