Structural-Morphological Fluctuations Induced by Thermomechanical Treatment in a Fe – Mn – Si Shape Memory Alloy

N. Cimpoesu; E. Mihalache; N.-M. Lohan; M.-G. Suru; R. I. Comãneci; B. Özkal; L.-G. Bujoreanu; B. Pricop

doi:10.1007/s11041-018-0303-5

Structural-Morphological Fluctuations Induced by Thermomechanical Treatment in a Fe – Mn – Si Shape Memory Alloy

Autores: Cimpoesu N.¹, Mihalache E.¹, Lohan N.¹, Suru M.¹, Comãneci R.I.¹, Özkal B.², Bujoreanu L.¹, Pricop B.¹
Afiliações:
1. Faculty of Materials Science and Engineering, “Gheorghe Asachi” Technical University of Iasi
2. Particulate Materials Laboratory, Metallurgical and Materials Engineering Department, Istanbul Technical University
Edição: Volume 60, Nº 7-8 (2018)
Páginas: 471-477
Seção: Article
URL: https://journals.rcsi.science/0026-0673/article/view/236402
DOI: https://doi.org/10.1007/s11041-018-0303-5
ID: 236402

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Variation of the sizes and chemical compositions of martensite plates in the structure of powder-metallurgy shape memory alloy Fe – 14 wt.% Mn – 6 wt.% Si – 9 wt.% Cr – 5 wt.% Ni is studied. Apart of the specimens is fabricated from mechanically alloyed powder. Tensile tests of the alloy are performed after 4% deformation and after deformation and heat treatment at 700 and 1100°C. The effect of the treatment on the structure of the alloy is determined.