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Additive manufacturing of NiTi shape memory alloy for biomedical applications: review of the LPBF process ecosystem
K Safaei, H Abedi, M Nematollahi, F Kordizadeh… - Jom, 2021 - Springer
NiTi shape memory alloys (SMAs) are used in a broad range of biomedical applications
because of their unique properties including biocompatibility and high corrosion and wear …
because of their unique properties including biocompatibility and high corrosion and wear …
Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect
JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …
Laser powder bed fusion of defect-free NiTi shape memory alloy parts with superior tensile superelasticity
L Xue, KC Atli, C Zhang, N Hite, A Srivastava, AC Leff… - Acta Materialia, 2022 - Elsevier
Laser powder bed fusion is a promising additive manufacturing technique for the fabrication
of NiTi shape memory alloy parts with complex geometries that are otherwise difficult to …
of NiTi shape memory alloy parts with complex geometries that are otherwise difficult to …
Controlling martensitic transformation characteristics in defect-free NiTi shape memory alloys fabricated using laser powder bed fusion and a process optimization …
Abstract Laser Powder Bed Fusion (L-PBF) was utilized to fabricate fully dense, near-
equiatomic (Ni 50.1 Ti 49.9) and Ni-rich NiTi (Ni 50.8 Ti 49.2) shape memory alloy (SMA) …
equiatomic (Ni 50.1 Ti 49.9) and Ni-rich NiTi (Ni 50.8 Ti 49.2) shape memory alloy (SMA) …
Achieving superelasticity in additively manufactured NiTi in compression without post-process heat treatment
N Shayesteh Moghaddam, S Saedi, A Amerinatanzi… - Scientific reports, 2019 - nature.com
Shape memory alloys (SMAs), such as Nitinol (ie, NiTi), are of great importance in
biomedical and engineering applications due to their unique superelasticity and shape …
biomedical and engineering applications due to their unique superelasticity and shape …
High temperature shape memory alloys
Shape memory alloys (SMAs) with high transformation temperatures can enable
simplifications and improvements in operating efficiency of many mechanical components …
simplifications and improvements in operating efficiency of many mechanical components …
Elastocaloric cooling capacity of shape memory alloys–Role of deformation temperatures, mechanical cycling, stress hysteresis and inhomogeneity of transformation
Y Wu, E Ertekin, H Sehitoglu - Acta Materialia, 2017 - Elsevier
Elastocaloric (EC) effect refers to the rapid cooling in shape memory alloys (SMAs) during
reverse transformation from martensite to austenite under adiabatic conditions. We present a …
reverse transformation from martensite to austenite under adiabatic conditions. We present a …
Ferrous polycrystalline shape-memory alloy showing huge superelasticity
Y Tanaka, Y Himuro, R Kainuma, Y Sutou, T Omori… - science, 2010 - science.org
Shape-memory alloys, such as Ni-Ti and Cu-Zn-Al, show a large reversible strain of more
than several percent due to superelasticity. In particular, the Ni-Ti–based alloy, which …
than several percent due to superelasticity. In particular, the Ni-Ti–based alloy, which …
Texture, aging, and superelasticity of selective laser melting fabricated Ni-rich NiTi alloys
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 …
microstructure and texture of Ni-rich NiTi alloy. SLM NiTi samples were fabricated with a …
Effect of hatch spacing and laser power on microstructure, texture, and thermomechanical properties of laser powder bed fusion (L-PBF) additively manufactured NiTi
SE Saghaian, M Nematollahi, G Toker, A Hinojos… - Optics & Laser …, 2022 - Elsevier
This study systematically evaluates the effects of laser powder bed fusion additive
manufacturing (L-PBF-AM) parameters (hatch spacing and laser power) on the …
manufacturing (L-PBF-AM) parameters (hatch spacing and laser power) on the …