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Microstructural characterization of Cu82.3Al8.3Mn9.4 shape memory alloy after rolling (CROSBI ID 243822)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Gojić, Mirko ; Kožuh, Stjepan ; Ivanić, Ivana ; Selanec, Magdalena ; Holjevac Grgurić, Tamara ; Kosec, Borut ; Ćubela, Diana ; Beganović, Omer Microstructural characterization of Cu82.3Al8.3Mn9.4 shape memory alloy after rolling // Metallurgical & Materials Engineering, 23 (2017), 3; 281-289. doi: 10.30544/314

Podaci o odgovornosti

Gojić, Mirko ; Kožuh, Stjepan ; Ivanić, Ivana ; Selanec, Magdalena ; Holjevac Grgurić, Tamara ; Kosec, Borut ; Ćubela, Diana ; Beganović, Omer

engleski

Microstructural characterization of Cu82.3Al8.3Mn9.4 shape memory alloy after rolling

In this paper, the microstructure of Cu82.3Al8.3Mn9.4 (in wt. %) shape memory alloy after hot and cold rolling was investigated. The Cu82.3Al8.3Mn9.4 alloy was produced by a vertical continuous casting method in the form a cylinder rod of 8 mm in diameter. After the casting, hot and cold rolling was performed. By hot rolling a strip with a thickness of 1.75 mm was obtained, while by cold rolling a strip with a thickness of 1.02 mm was produced. After the rolling process, heat treatment was performed. Heat treatment was carried out by solution annealing at 900 °C held for 30 minutes and water quenched immediately after heating. The microstructure characterization of the investigated alloy was carried out by optical microscopy (OM), scanning electron microscopy (SEM) equipped with a device for energy dispersive spectroscopy (EDS). Phase transformation temperatures and fusion enthalpies were determined by differential scanning calorimetry (DSC) method. The homogenous martensite microstructure was confirmed by OM and SEM micrographs after casting. During rolling the two-phase microstructure occurred. Results of DSC analysis showed martensite start (Ms), martensite finish (Mf), austenite start (As) and austenite finish (Af) temperatures.

shape memory alloy (SMA) ; continuously casting ; microstructure ; heat treatment ; rolling

Glavni autor: Stjepan Kožuh, Ivana Ivanić

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Podaci o izdanju

23 (3)

2017.

281-289

objavljeno

2217-8961

2812-9105

10.30544/314

Povezanost rada

Kemijsko inženjerstvo, Metalurgija

Poveznice