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Concurrent effect of improving pseudoelasticity and shape memory effect on the recovery stress of FeMnSi based SMA

عنوان مقاله: Concurrent effect of improving pseudoelasticity and shape memory effect on the recovery stress of FeMnSi based SMA
شناسه ملی مقاله: IMES16_157
منتشر شده در یازدهمین کنفرانس بین المللی مهندسی مواد و متالورژی (iMat۲۰۲۲) در سال 1401
مشخصات نویسندگان مقاله:

Mahbod Golrang - School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
Hesamodin Khodaverdi - School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
Maryam Mohri - Empa, Swiss Federal Laboratories for Materials Science and Technology, ۸۶۰۰ Dϋbendorf, Switzerland
Elyas Ghafoori - Institute for Steel Construction, Faculty of Civil Engineering and Geodetic Science, Leibniz University Hannover, ۳۰۱۶۷ Hannover, Germany
Mahmoud Nili Ahmadabadi - School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran

خلاصه مقاله:
To investigate the impact of various maximum recovery temperatures on the recovery stress and strain,the recently developed Fe-based shape memory alloy with various thermomechanical and heattreatment conditions was taken into consideration. Based on the competition of favorable grainrefinement, there is a trade-off between pseudoelasticity and the shape memory effect. It was found thatimproving PE sacrifices SME in grain refined specimens, and recovery stress tends to go up with PEimprovement. For As-received aged samples due the non-uniform distribution of precipitates, thestrained specimen tends to reverse back from austenite to martensite during cooling of stress recoverytests.

کلمات کلیدی:
Shape memory alloys, Fe-Mn-Si, Pseudoelasticity, Stress recovery, Strain recovery

صفحه اختصاصی مقاله و دریافت فایل کامل: https://civilica.com/doc/1622188/