Results 81 to 90 of about 405,255 (187)

Mechanical and Metallurgical Evaluation of Four Rotary Nickel‐Titanium File Systems: A Multimethod Study

International Endodontic Journal, EarlyView.
ABSTRACT Aim To compare four rotary nickel‐titanium (NiTi) file systems (Endostar E3 Azure, Endostar E3, VDW.ROTATE, and Mtwo) using a multimethod approach to evaluate their mechanical and metallurgical properties. Materials and Methods Endostar E3 Azure, Endostar E3, VDW.ROTATE, and Mtwo (all size 25/0.06 with an S‐shaped cross‐section; 52 instruments
Doğuş Bayraktar, Uğur İnan
wiley   +1 more source

Validação de método experimental para medição do potencial de corrosão de liga metálica em sangue humano in vivo [PDF]

, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Ciências Médicas, Florianópolis, 2011Justificativa: Ligas metálicas são utilizadas em dispositivos médicos para uso intravascular ...
Serafin, João Daniel May
core  

NiTi alloy produced by cold spray [PDF]

, 2023
Tato práce se zabývá slitinou NiTi vyrobenou metodou studené kinetizace. Teoretická část práce popisuje principy, vlastnosti a aplikace metody studené kinetizace a dále slitiny NiTi.
Tomáš Heller
core  

A Visualized Microstructure Evolution Model Integrating an Analytical Cutting Model with a Cellular Automaton Method during NiTi Smart Alloy Machining

Crystals
In this study, a visualized microstructure evolution model for the primary shear zone during NiTi smart alloy machining was established by integrating an analytical cutting model with a cellular automaton method.
Jiaqi Wang, Ming Li, Qingguang Li, Xianchao Pan, Zixuan Wang, Jing Jia, Renti Liu, Yunguang Zhou, Lianjie Ma, Tianbiao Yu   +9 more
doaj   +1 more source

Hyflex CM and EDM from Shape Memory to Control Memory.

Erbil Dental Journal, 2023
The new era in endodontics has been established with the introduction of nickel titanium (NiTi) alloys, and later on the automation of mechanical preparation. By changing the phase transformation temperatures of NiTi alloy, the manufacturers alter the
Jamal A. Abu Al‑Timan, Iman M. Al‑Zaka, Baidaa M. Zeidan   +2 more
doaj  

Comparison of Uncovered and Covered Biliary SEMS for the Salvage of Obstructed SEMS: A Multicenter Retrospective Propensity Score–Weighted Study

Journal of Gastroenterology and Hepatology, EarlyView.
In patients undergoing secondary SEMS placement after initial uncovered stent failure, fully covered and uncovered SEMSs showed comparable patency, survival, and safety. However, mechanisms of recurrent biliary obstruction differed by stent type, with tumor ingrowth in uncovered SEMSs and sludge or food impaction in fully covered SEMSs.
Ho Seung Lee, Gunn Huh, Sung Hyun Cho, Dongwook Oh, Jae Min Lee, Tae Jun Song, Hoonsub So, Hong‐Sik Lee, Dong‐Wan Seo   +8 more
wiley   +1 more source

NiTi Shape Memory Alloy Wire’s Constitutive Describe at Different Temperatures

, 2017
NiTi shape memory alloy is an intelligent drive and awareness materials which develop very rapidly and is used in many fields in recent years, whose mechanical properties are not only related to chemical composition, but also closely related to the ...
Guang Yong Yang, Jun Wang, Yang Zhong, Zhi Fei Qiu, Wei Na Li, Fu Guo Li   +5 more
core   +1 more source

Effects of Mechanical Alloying on microstructure and microhardness of Nanocrystalline Ni–50at.% Ti Shape Memory Alloy’ [PDF]

International Journal of Advanced Design and Manufacturing Technology, 2012
In this work, nanostructured NiTi shape memory alloy with equal atomic percentage was produced through mechanical alloying. The result exhibited that after 60 h of mechanical alloying of high purity elemental powder mixtures of nickel and titanium by a ...
Morteza Ghadimi, Ali Shokuhfar
doaj  

Hemocompatibility investigation of the NiTi alloy implanted with tantalum

Journal of Materials Science: Materials in Medicine, 2011
A composite TiO(2)/Ta(2)O(5) nano-film has been formed on the NiTi shape memory alloy by Ta implantation. The wettability, protein adsorption, platelets adhesion and hemolysis tests are conducted to evaluate the hemocompatibility. The contact angle measurements showed that the surface of the NiTi alloy kept hydrophilic before and after Ta implantation,
Tingting, Zhao, Yan, Li, Yuzhi, Gao, Yan, Xiang, Hong, Chen, Tao, Zhang   +5 more
openaire   +2 more sources

Nanoprecipitate characterisation in NiTi and aluminium alloys: A TEM‐based overview

Journal of Microscopy, EarlyView.
Abstract Nanoscale precipitates are central to the functional and mechanical performance of many advanced alloys, yet their characteristics and spatial distributions can be directly resolved only by electron microscopy. In this poster‐style article, focused ion beam‐prepared TEM lamellae are used to provide a microscopy‐focused overview of ...
Seyed Aref Golsorkhi, Opemipo Adetan, Melodie Fickenscher, Dinc Erdeniz   +3 more
wiley   +1 more source