[HTML][HTML] Microstructure, shape memory properties, and in vitro biocompatibility of porous NiTi scaffolds fabricated via selective laser melting

HZ Lu, HW Ma, X Luo, Y Wang, J Wang, R Lupoi… - Journal of Materials …, 2021 - Elsevier
In this study, three porous NiTi scaffolds with the same porosity but different pore sizes (900,
835, and 618 μm) were fabricated via selective laser melting (SLM). The microstructure …

Unleashing multi-scale mechanical enhancement in NiTi shape memory alloy via annular intra-laser deposition with homogenized Ti2Ni nanoprecipitates

J Yi, L Wan, T Shu, X Zhang, F Liu, GJ Cheng - Acta Materialia, 2024 - Elsevier
Additive manufacturing (AM) of composition-sensitive NiTi shape memory alloys (SMAs) is
hindered by uncontrollable non-equilibrium microstructures, leading to functional …

Additively manufacturing-enabled hierarchical NiTi-based shape memory alloys with high strength and toughness

D Gu, C Ma, D Dai, J Yang, K Lin… - Virtual and Physical …, 2021 - Taylor & Francis
ABSTRACT A hierarchical microstructure was obtained, including the unique interlaced dual-
phase structure, the solidified molten pool, the coarse columnar B2 grains and fine equiaxed …

[HTML][HTML] Influence of severe plastic deformation of Cu powder and space holder content on microstructure, thermal and mechanical properties of copper foams …

E Shirjang, MR Akbarpour - Journal of Materials Research and technology, 2023 - Elsevier
Micro-porous copper foam with open cell structure and acceptable mechanical behavior
charts a path for developing the supreme chips and integrated circuit due to its large surface …

In-situ formation of Ni4Ti3 precipitate and its effect on pseudoelasticity in selective laser melting additive manufactured NiTi-based composites

D Gu, C Ma - Applied surface science, 2018 - Elsevier
Selective laser melting (SLM) additive manufacturing technology was applied to synthesize
NiTi-based composites via using ball-milled Ti, Ni, and TiC mixed powder. By transmission …

[HTML][HTML] The development of laser powder bed fused nano-TiC/NiTi superelastic composites with hierarchically heterogeneous microstructure and considerable …

C Ma, Q Ge, L Yuan, D Gu, D Dai, R Setchi… - Composites Part B …, 2023 - Elsevier
In this study, we fabricated the TiC nanoparticles decorated NiTi-based superelastic
composites via laser powder bed fusion (LPBF) technology. Different from reactionlessness …

High-performance Cu-Al shape memory alloy in ternary combination with graphene fabricated by powder bed fusion process

D Abolhasani, B Moon, N Kang, CJ VanTyne… - Journal of Alloys and …, 2023 - Elsevier
The main characteristic feature of Cu-based high-temperature shape memory alloys (SMAs)
such as Cu-Al-Ni alloys is their high transformation temperatures that enable their …

An investigation on Ni4Ti3 phase precipitation and its effects in laser directed energy deposition of TiC–NiTi composites

D Zhang, Y Li, H Wang, W Cong - Materials Science and Engineering: A, 2021 - Elsevier
The failure of the NiTi alloys due to their low mechanical strength is the major problem
inhibiting their further applications. Adding ceramic reinforcement materials could not only …

The higher compressive strength (TiB+ La2O3)/Ti–Ni shape memory alloy composite with the larger recoverable strain

X Yi, G Shen, X Meng, H Wang, Z Gao, W Cai… - Composites …, 2021 - Elsevier
In the present study, in-situ TiB whiskers and La 2 O 3 particles showing a network structure
were designed and introduced into Ti–Ni composites. With LaB 6 content increasing, the …

Role of Particle Size of Al2O3 Reinforcement on the Wear Performance of NiTi-Based Composites

M Farvizi, M Bahamirian, A Faraji, HS Kim - Metals and Materials …, 2024 - Springer
The utilization of alumina particles as reinforcement and their incorporation into NiTi alloys
offers a promising approach to enhance the performance of these materials. This study aims …