Results 191 to 200 of about 74,781 (241)

Indentation size effect and strain rate sensitivity of Ni3Ta high temperature shape memory alloy

Vacuum, 2019
The present work focuses on mechanical properties of Ni3Ta alloy. Reversible martensitic transformation is found in the temperature range of 520–600 K. At room temperature Ni3Ta alloy mainly consists of a monoclinic phase.
A. Shuitcev, Y. Tong, Li Li
semanticscholar   +1 more source

Two-way shape memory effect of a TiNiHf high temperature shape memory alloy

Journal of Alloys and Compounds, 2004
The two-way shape memory effect in a Ti36Ni49Hf15 high temperature shape memory alloy (SMA) has been systematically studied by bending tests. In the TiNiHf alloy, the martensite deformation is an effective method to get two-way shape memory effect even with a small deformation strain.
X.L Meng, Y.F Zheng, W Cai, L.C Zhao
openaire   +2 more sources

Tensile characteristics and shape memory effect of Ni56Mn21Co4Ga19 high-temperature shape memory alloy

Scripta Materialia, 2008
Ni56Mn21Co4Ga19 alloys have been successfully hot-rolled to smooth plates of 0.5 mm thickness, and the mechanical and shape memory characteristics were investigated by tensile tests. The results show that the tensile stress and strain of dual-phases Ni56Mn21 Co4Ga19 alloy are 491 MPa and 8.17%, respectively.
Ma, Y. Q., Yang, S. Y., Wang, C. P., Liu, X. J.   +3 more
openaire   +2 more sources

The investigation of the mechanical properties of graded high-temperature shape memory Ti-Ni-Pd alloy

Journal of Alloys and Compounds, 2019
Diffusion annealing of palladium into two Ti-rich alloys of Ti-47 at.% Ni and Ti-49.8 at.% Ni were performed to produce a compositionally graded high-temperature Ti-Ni-Pd shape memory alloy (SMA).
Fatemeh Khaleghi, M. Tajally, E. Emadoddin, M. Mohri   +3 more
semanticscholar   +1 more source

Creep behavior in TiPdNi high temperature shape memory alloy

SPIE Proceedings, 2009
The focus of the current effort is to characterize the viscoplastic behavior in high temperature shape memory alloys and understand the impact of creep on their actuation characteristics. For this a Ti 50 Pd 40 Ni 10 alloy was cast and hot rolled. Standard creep tests and isobaric thermal cycling tests were conducted on a custom test setup.
Parikshith K. Kumar, Dimitris C. Lagoudas   +1 more
openaire   +1 more source

Quaternary alloying of copper with Ti50Ni25Pd25 high temperature shape memory alloys

Materials Science and Engineering: A, 2019
Abstract High temperature shape memory alloys with four different compositions i.e. Ti50Ni25-xPd25Cux (x = 0, 5, 10, 15 at.%) were developed, characterized and tested for mechanical and shape memory properties. For simplicity, the alloys were named as 0Cu, 5Cu, 10Cu and 15Cu alloys depending upon the concentration of Cu. Addition of Cu in place of Ni
Saif ur Rehman, Mushtaq Khan, A. Nusair Khan, Liaqat Ali, Syed Imran Husain Jaffery, Muhammad Khurram   +5 more
openaire   +1 more source

Additive Manufacturing of Co-Ni-Ga High-Temperature Shape Memory Alloy: Processability and Phase Transformation Behavior

Metallurgical and Materials Transactions. A, 2020
C. Lauhoff, A. Fischer, C. Sobrero, A. Liehr, P. Krooss, F. Brenne, F. Brenne, J. Richter, M. Kahlert, Stefan Böhm, T. Niendorf   +10 more
semanticscholar   +1 more source

High-Temperature Shape Memory Effect of High Entropy Alloys

Advances in Materials Technology for Power Plants, 2019
Abstract High-temperature shape memory alloys (HTSMAs) are expected to be utilized for actuators in high temperature environments such as thermal power plants and jet engines. NIMS has designed TiPd shape memory alloys because high martensitic phase transformation temperature of TiPd around 570 ° C is expected to be high-temperature ...
Hiromichi Matsuda, Hirotaka Sato, Masayuki Shimojo, Yoko Yamabe-Mitarai   +3 more
openaire   +1 more source

NiTiHf-based high temperature shape memory alloys

2018
Shape memory alloys are metallic smart materials that have been currently used in many industries including biomedical, aerospace, electronics, construction, oil-gas and automobile and their application areas are predicted to be increased in future. Industries such as aerospace, oil-gas and automobile requires high transformation temperatures (&gt ...
openaire   +1 more source

High-temperature shape memory alloys

Materials Science and Engineering: A, 2004
G.S Firstov, J Van Humbeeck, Y.N Koval
openaire   +1 more source