Rezultate 2008
Lucrare publicată în Optoelectronics and
Advanced Materials - Rapid Communications
Titlul lucrării
Shape memory effect and related characteristics of helical
springs made from Cu–Al–Ni alloy by investment casting
Autorii
S. Stanciu, L.-G. Bujoreanu, N. Cimpoeşu, I. Ioniţă, V.
Moldoveanu
Abstract
By means of displacement-temperature variation curves,
the occurrence of work developing shape memory effect
(SME) was revealed in the case of helical springs made from
a Cu-Al-Ni shape memory alloy, obtained by investment
casting. The corresponding critical temperatures of
martensitic transformation, determined on springs trained
by SME cycling, were compared to the results obtained by
differential scanning calorimetry (DSC) and by dilatometry,
on fragments cut from median coil of SMA springs, both in
as-cast and in trained alloy. The microstructure of as-cast
SMA springs was analyzed by scanning electron microscopy
(SEM) in order to reveal martensite formation.
Primii trei autori fac parte din colectivul de cercetare al
proiectului.
Lucrarea este indexată în ISI WEB of Knowledge
