Details
| Original language | English |
|---|---|
| Article number | 1450042 |
| Journal | Functional materials letters |
| Volume | 7 |
| Issue number | 4 |
| Publication status | Published - 12 May 2014 |
Abstract
High-temperature shape memory alloys are promising candidates for actuator applications at elevated temperatures. Ternary nickel-titanium-based alloys either contain noble metals which are very expensive, or suffer from poor workability. Titanium-tantalum shape memory alloys represent a promising alternative if one can avoid the cyclic degradation due to the formation of the omega phase. The current study investigates the functional fatigue behavior of Ti-Ta and introduces a new concept providing for pronounced fatigue life extension.
Keywords
- martensite, microstructure, Omega phase, phase transformation, shape memory effect
ASJC Scopus subject areas
- Materials Science(all)
- General Materials Science
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In: Functional materials letters, Vol. 7, No. 4, 1450042, 12.05.2014.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - On the functional degradation of binary titanium-tantalum high-temperature shape memory alloys
T2 - A new concept for fatigue life extension
AU - Niendorf, T.
AU - Krooß, P.
AU - Batyrsina, E.
AU - Paulsen, A.
AU - Frenzel, J.
AU - Eggeler, G.
AU - Maier, H. J.
PY - 2014/5/12
Y1 - 2014/5/12
N2 - High-temperature shape memory alloys are promising candidates for actuator applications at elevated temperatures. Ternary nickel-titanium-based alloys either contain noble metals which are very expensive, or suffer from poor workability. Titanium-tantalum shape memory alloys represent a promising alternative if one can avoid the cyclic degradation due to the formation of the omega phase. The current study investigates the functional fatigue behavior of Ti-Ta and introduces a new concept providing for pronounced fatigue life extension.
AB - High-temperature shape memory alloys are promising candidates for actuator applications at elevated temperatures. Ternary nickel-titanium-based alloys either contain noble metals which are very expensive, or suffer from poor workability. Titanium-tantalum shape memory alloys represent a promising alternative if one can avoid the cyclic degradation due to the formation of the omega phase. The current study investigates the functional fatigue behavior of Ti-Ta and introduces a new concept providing for pronounced fatigue life extension.
KW - martensite
KW - microstructure
KW - Omega phase
KW - phase transformation
KW - shape memory effect
UR - http://www.scopus.com/inward/record.url?scp=84906078924&partnerID=8YFLogxK
U2 - 10.1142/S1793604714500428
DO - 10.1142/S1793604714500428
M3 - Article
AN - SCOPUS:84906078924
VL - 7
JO - Functional materials letters
JF - Functional materials letters
SN - 1793-6047
IS - 4
M1 - 1450042
ER -