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Study of FeNiCuMnTiSn-based high entropy alloys applied in thermomagnetic motors

Grant number: 18/26267-7
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2019
Effective date (End): March 31, 2022
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Physical Metallurgy
Principal researcher:Ricardo Alexandre Galdino da Silva
Grantee:Leandro Santos da Silva
Home Institution: Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil

Abstract

In this project the effects of Cu, Ti and Sn on thermal, magnetic, electrochemical and mechanical properties of FeNiCuMnTiSn-based alloys will be evaluated using differential thermal analysis, differential scanning calorimetry, optical microscopy, scanning electron microscopy, X-ray energy dispersion spectroscopy, transmission electron microscopy, microhardness measurements, X-ray diffractometry, magnetization measurements, stress-strain tests and electrochemical experiments. The study of the effects of Cu, Ti and Sn on these alloys will carry out to evaluate the change in the mentioned properties of these materials and the application feasibility in thermomagnetic motors. Simultaneously, the effects of valence electron concentration, atomic radius difference, enthalpy and entropy of mixture can also be evaluated, which can contribute for design of new high-entropy alloys.

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