TY - JOUR
T1 - Shape memory behavior of high strength Ni54Ti46 alloys
AU - Karaca, H. E.
AU - Kaya, I.
AU - Tobe, H.
AU - Basaran, B.
AU - Nagasako, M.
AU - Kainuma, R.
AU - Chumlyakov, Y.
PY - 2013/9/5
Y1 - 2013/9/5
N2 - Shape memory behavior of highly Ni-rich Ni54Ti46 alloys was studied after aging (550°C, 3h, furnace cooling). A sequence of phase transformations was observed and the shape memory behavior is found to be highly stress dependent. After aging, a transformation strain of 1% with low temperature hysteresis is observed under an ultra high stress level of 1500MPa in compression. Moreover, superelastic response with 3% total strain can be obtained even when high stress level of 1500MPa is applied.
AB - Shape memory behavior of highly Ni-rich Ni54Ti46 alloys was studied after aging (550°C, 3h, furnace cooling). A sequence of phase transformations was observed and the shape memory behavior is found to be highly stress dependent. After aging, a transformation strain of 1% with low temperature hysteresis is observed under an ultra high stress level of 1500MPa in compression. Moreover, superelastic response with 3% total strain can be obtained even when high stress level of 1500MPa is applied.
KW - High strength
KW - Mechanical characterization
KW - NiTi
KW - R-phase transformation
KW - Shape memory alloys
UR - http://www.scopus.com/inward/record.url?scp=84879755018&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84879755018&partnerID=8YFLogxK
U2 - 10.1016/j.msea.2013.04.102
DO - 10.1016/j.msea.2013.04.102
M3 - Article
AN - SCOPUS:84879755018
SN - 0921-5093
VL - 580
SP - 66
EP - 70
JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
JF - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
ER -