Results 21 to 30 of about 37,649 (295)

Comparison of Dentinal Defects Formation in Straight, Moderate and Severely Curved Canals by Three Distinctive Nickel Titanium Instruments: An in vitro Study [PDF]

open access: yesJournal of Dentistry, 2023
Statement of the Problem: It is stated that engine-driven instruments might cause dentinal defects during root canal preparation. These defects might spread and progress into greater fractures or vertical root fracture.
Azin Alasvand Javadi   +5 more
doaj   +1 more source

The determination and evaluation of Nitinol constitutive models for finite element analysis [PDF]

open access: yes, 2007
Superelastic Ni-Ti (Nitinol) is a member of the shape memory alloy (SMA) family of metals. The physical properties of Nitinol are highly dependant on a number of factors, including manufacturing method, subsequent processing, operating temperature, and ...
Ashton, T.R.   +4 more
core   +1 more source

Experimental Investigation of Electropolishing in Ethylene Glycol-NaCl Electrolyte for Surface Integrity of Nitinol Cardiovascular Stents

open access: yesElectrochemistry, 2020
In order to improve the surface integrity of nitinol cardiovascular stents, this paper presented the method of electropolishing nitinol cardiovascular stents by adding distilled water of different concentration into ethylene glycol - sodium chloride ...
Xiaoyu SUN   +5 more
doaj   +1 more source

Preparation of ROS‐Responsive Exosome Coating of Nitinol Material for Making the Neurointerventional Stent

open access: yesAdvanced Materials Interfaces, 2023
Nitinol (NiTi) alloy is an ideal material for preparing neurointerventional stents due to its excellent mechanical properties and biocompatibility. However, NiTi stents without surface‐specific functionalization cause a high rate of stent thrombosis and ...
Lin Duan   +10 more
doaj   +1 more source

A comparison of two configurations for a dual-resonance cymbal transducer [PDF]

open access: yes, 2018
The ability to design tuned ultrasonic devices that can be operated in the same mode at two different frequencies has the potential to benefit a range of applications, such as surgical cutting procedures where the penetration through soft then hard ...
Feeney, Andrew, Lucas, Margaret
core   +1 more source

Investigation of Post-Processing of Additively Manufactured Nitinol Smart Springs with Plasma-Electrolytic Polishing

open access: yesMaterials, 2021
Additive manufacturing of Nitinol is a promising field, as it can circumvent the challenges associated with its conventional production processes and unlock unique advantages. However, the accompanying surface features such as powder adhesions, spatters,
Vincent N Stepputat   +4 more
semanticscholar   +1 more source

Evaluation of Mechanical and Physical Properties of Clinically Used and Recycled Superelastic NiTi Wires [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Introduction: The initial leveling and aligning phase has been simplified with the introduction of superelastic nickel-titanium archwires. The relatively high cost of these wires has prompted some of the clinicians to reuse them after sterilization ...
Venkata Naidu Bavikati   +5 more
doaj   +1 more source

Synthesis of Porous Nanostructure NiTi Implant and Measurement of Thermomechanical Properties [PDF]

open access: yesNanomedicine Research Journal, 2017
Objective(s): NiTi is known as the most important material for manufacturing implants and medical devises duo to its shape memory and superelasticity properties, high energy damping, and high corrosion resistance.
Mohammad Saleh Khalatbari   +1 more
doaj   +1 more source

Numerical simulation of Nitinol peripheral stents: from laser-cutting to deployment in a patient specific anatomy [PDF]

open access: yes, 2009
The current clinical trend is to use percutaneous techniques, exploiting Nitinol self-expanding stents, to treat peripheral occluded vessels such as carotid or superficial femoral arteries.
Auricchio, Ferdinando   +3 more
core   +1 more source

Investigation Of Interaction Between Nitinol Stent And A Vascular Plaque Using Finite Element Method

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2012
In this study, the interaction between the Nitinol stent and the artery with plaque was investigated using finite element method. The occurring pressure values during the cardiac contraction (systolic) and loosening (diastolic) were applied as loading to
Recep Güneş   +2 more
doaj   +1 more source

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