Results 1 to 10 of about 234,872 (302)

Effect of Fe addition on the microstructure, transformation behaviour and superelasticity of NiTi alloys fabricated by laser powder bed fusion

open access: yesVirtual and Physical Prototyping, 2023
NiTi-Fe ternary shape memory alloys were produced by laser powder bed fusion (L-PBF) using the pre-alloyed NiTi and elemental Fe powders. A large process window exists to fabricate dense NiTiFe0.3 and NiTiFe0.5 alloys, while severe cracks occur in the ...
Rui Xi   +8 more
doaj   +2 more sources

3D printed Mg-NiTi interpenetrating-phase composites with high strength, damping capacity, and energy absorption efficiency

open access: yesScience Advances, 2020
A 3D printed magnesium alloy with an interpenetrating NiTi phase shows remarkable strength, damping, and self-healing properties. It is of significance, but still remains a key challenge, to simultaneously enhance the strength and damping capacities in ...
Mingyang Zhang, Qin Yu, Zengqian Liu
exaly   +2 more sources

Comparative Assessment of Wire Deformation, Breakage, Frictional Resistance, and Patient Discomfort in Orthodontic Archwires: A Clinical Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Orthodontic archwires’ characteristics are known to have an effect on the effectiveness, duration, and comfort of orthodontic treatment. Despite the widespread use of nickel-titanium (NiTi), SS, and TMA wires, comparative testing on wear ...
Radhika Nair
doaj   +2 more sources

بررسی تاثیر حضور ذرات اکسید تیتانیوم در جلوگیری از رشد دانه‌های NiTi در فرآیند تف‌جوشی [PDF]

open access: yesنشریه مهندسی متالورژی و مواد, 2022
یکی از مشکلات تف­جوشی مواد نانو اندازه، رشد دانه در حین این فرایند است. از آنجایی که کارایی­های منحصر به‌فرد مواد نانو تا زمانی که در محدوده اندازه زیر 100 نانومتر باشند، وجود دارد، به­منظور جلوگیری از این پدیده و کاهش سرعت رشد دانه­ها راهکارهای مختلفی ...
هادی نصیری   +1 more
doaj   +1 more source

Fabrication of NiTi through additive manufacturing: A review

open access: yesProgress in Materials Science, 2016
Mohammad Elahinia   +2 more
exaly   +2 more sources

Corrosion Behavior of Amorphous-Nanocrystalline Ni50Ti50 Shape Memory Alloy [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
In the present study, the corrosion behaviors of amorphous-nanocrystalline Ni50Ti50 shape memory alloy with different crystallite sizes were investigated. The Ni50Ti50 homogenized specimens were hot rolled and annealed at 950°C.
H. Aghabeygzadeh   +2 more
doaj   +1 more source

Comparison of Microstructure, Ageing Effect and Shape Memory Properties of Additively Manufactured NiTi Alloy using LENS and EBAM Methods [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
Samples prepared using various additive manufacturing methods were compared in terms of structure, texture, transformation temperature and superelastic properties.
J. Dutkiewicz   +5 more
doaj   +1 more source

Laser powder bed fusion additive manufacturing of NiTi shape memory alloys: a review

open access: yesInternational Journal of Extreme Manufacturing, 2023
NiTi alloys have drawn significant attentions in biomedical and aerospace fields due to their unique shape memory effect (SME), superelasticity (SE), damping characteristics, high corrosion resistance, and good biocompatibility.
Shuaishuai Wei   +8 more
semanticscholar   +1 more source

Enhanced in vitro immersion behavior and antibacterial activity of NiTi orthopedic biomaterial by HAp-Nb2O5 composite deposits

open access: yesScientific Reports, 2023
NiTi is a class of metallic biomaterials, benefit from superelastic behavior, high biocompatibility, and favorable mechanical properties close to that of bone.
M. S. Safavi   +9 more
semanticscholar   +1 more source

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