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A structural-morphological study of a Cu63Al26Mn11 shape memory alloy

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în volumul unei conferinţe

Autori: Sergiu Stanciu, Leandru G. Bujoreanu, Iulian Ioniţã, Andrei V. Sandu and Alexandru Enache

Editorial: Paul Schiopu, Cornel Panait, George Caruntu, Adrian Manea, SPIE, Bellingham, WA, 2009, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IV, Proceedings of SPIE, 7297, p.72970C, 2009.

Rezumat:

By means of DSC, three transformations occurring on heating up to 873 K, of a martensitic Cu63Al26Mn11 Shape
Memory Alloy (SMA) in hot pressed and homogenized state, were revealed. The assumed precipitation of α-phase,
accompanied by an exothermic reaction, was ascertained by SEM mapping. SEM micrographs revealed preferred
orientation tendencies for the α-phase precipitates, inside the grains which became more prominent along grain
boundaries

Cuvinte cheie: shape memory alloys, martensitic transformation, precipitates, differential scanning calorimetry, scanning