Effects of nanoprecipitation on the shape memory and material properties of an Ni-rich NiTiHf high temperature shape memory alloy

HE Karaca, SM Saghaian, G Ded, H Tobe, B Basaran… - Acta Materialia, 2013 - Elsevier
Shape memory properties of a Ni 50.3 Ti 29.7 Hf 20 (at.%) polycrystalline alloy were
characterized after selected heat treatments. The effects of heat treatment temperature and …

Texture, aging, and superelasticity of selective laser melting fabricated Ni-rich NiTi alloys

S Saedi, AS Turabi, MT Andani, NS Moghaddam… - Materials Science and …, 2017 - Elsevier
This work studies the impact of selective laser melting (SLM) fabrication on the
microstructure and texture of Ni-rich NiTi alloy. SLM NiTi samples were fabricated with a …

Recent advances in multicomponent NiTi-based shape memory alloy using metallic glass as a precursor

WC Kim, KR Lim, WT Kim, ES Park, DH Kim - Progress in Materials Science, 2022 - Elsevier
Recently, concept for an alloy having both glass forming ability and shape memory
characteristics has been newly introduced based on the excellent functional properties of …

NiTiHf-based shape memory alloys

HE Karaca, E Acar, H Tobe… - Materials Science and …, 2014 - journals.sagepub.com
NiTiHf-based shape memory alloys have been receiving considerable attention for high
temperature, high strength and two-way shape memory applications since they could have …

Enhancing shape memory response of additively manufactured NiTi shape memory alloys by texturing and post-processing heat treatment

SE Saghaian, M Nematollahi, GP Toker… - Shape Memory and …, 2023 - Springer
This study presents the shape memory behavior of Ni-rich NiTi shape memory alloy
fabricated by Laser Powder Bed Fusion Additive Manufacturing (L-PBF-AM) before and after …

Effects of aging on the shape memory behavior of Ni-rich Ni50. 3Ti29. 7Hf20 single crystals

SM Saghaian, HE Karaca, H Tobe, M Souri, R Noebe… - Acta Materialia, 2015 - Elsevier
The shape memory properties of solutionized and aged Ni-rich Ni 50.3 Ti 29.7 Hf 20 single
crystals were investigated along the [0 0 1],[0 1 1] and [1 1 1] orientations in compression …

Shape memory behavior of high strength NiTiHfPd polycrystalline alloys

HE Karaca, E Acar, GS Ded, B Basaran, H Tobe… - Acta Materialia, 2013 - Elsevier
Systematic characterization of the shape memory properties of a quaternary Ni45. 3–Ti29. 7–
Hf20–Pd5 (at.%) polycrystalline alloy was performed in compression after selected aging …

[HTML][HTML] Microscale phase field modeling of the martensitic transformation during cyclic loading of NiTi single crystal

SE Esfahani, I Ghamarian, VI Levitas… - International Journal of …, 2018 - Elsevier
A microscale phase field model developed in Levitas et al.(2004) and Idesman et al.(2005)
is slightly advanced for different and anisotropic elastic moduli of phases and is employed …

Effects of Ni content on the shape memory properties and microstructure of Ni-rich NiTi-20Hf alloys

SM Saghaian, HE Karaca, H Tobe, J Pons… - Smart Materials and …, 2016 - iopscience.iop.org
Shape memory properties and microstructure of four Ni-rich NiTiHf alloys (Ni 50.3 Ti 29.7 Hf
20, Ni 50.7 Ti 29.3 Hf 20, Ni 51.2 Ti 28.8 Hf 20, and Ni 52 Ti 28 Hf 20 (at.%)) were …

Microstructure and transformation related behaviors of a Ni45. 3Ti29. 7Hf20Cu5 high temperature shape memory alloy

HE Karaca, E Acar, GS Ded, SM Saghaian… - Materials Science and …, 2015 - Elsevier
Abstract Effects of heat treatment temperature and time on the microstructure and shape
memory behaviors (eg transformation temperatures, load-biased shape memory effect …