scholarly journals Titanium Alloy Gamma Nail versus Biodegradable Magnesium Alloy Bionic Gamma Nail for Treating Intertrochanteric Fractures: A Finite Element Analysis

2021 ◽  
Author(s):  
Ming Li ◽  
Kuo Zhao ◽  
Kai Ding ◽  
Yun‐wei Cui ◽  
Xiao‐dong Cheng ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Titanium Alloy ◽  
Magnesium Alloy ◽  
Gamma Nail ◽  
Intertrochanteric Fractures ◽  
Element Analysis ◽  
Biodegradable Magnesium

scholarly journals Ultrasonic Welding of Magnesium–Titanium Dissimilar Metals: A Study on Thermo-mechanical Analyses of Welding Process by Experimentation and Finite Element Method

2019 ◽  
Vol 32 (1) ◽  
Author(s):  
Dewang Zhao ◽  
Daxin Ren ◽  
Kunmin Zhao ◽  
Pan Sun ◽  
Xinglin Guo ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Titanium Alloy ◽  
Magnesium Alloy ◽  
Welding Process ◽  
Ultrasonic Welding ◽  
Maximum Temperature ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Thermal Mechanism

AbstractUltrasonic welding is an effective ways to achieve a non-reactive/immiscible heterogeneous metal connection, such as the connection of magnesium alloy and titanium alloy. But the thermal mechanism of magnesium alloy/titanium alloy ultrasonic welding has not been defined clearly. In this paper, the experimental and the finite element analysis were adopted to study the thermal mechanism during welding. Through the test, the temperature variation law during the welding process is obtained, and the accuracy of the finite element model is verified. The microscopic analysis indicates that at the welding time of 0.5 s, the magnesium alloy in the center of the solder joint is partially melted and generates the liquid phase. Through the finite element analysis, the friction coefficient of the magnesium–titanium ultrasonic welding interface can be considered as an average constant value of 0.28. The maximum temperature at the interface can exceed 600 °C to reach the melting point temperature of the magnesium alloy. The plastic deformation begins after 0.35 s and occurs at the magnesium side at the center of the interface.

scholarly journals Finite element analysis of titanium alloy-graphene based mandible plate

2019 ◽  
Vol 22 (3) ◽  
pp. 324-330 ◽  
Author(s):  
Prashant Jindal ◽  
Frank Worcester ◽  
Kartikeya Walia ◽  
Anand Gupta ◽  
Philip Breedon
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Titanium Alloy ◽  
Element Analysis

scholarly journals A Study on Designing Balloon Expandable Magnesium Alloy Stent for Optimization of Mechanical Characteristics

Proceedings ◽  
2018 ◽  
Vol 2 (8) ◽  
pp. 523
Author(s):  
Ichiro Shimizu ◽  
Akira Wada ◽  
Makoto Sasaki
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Magnesium Alloy ◽  
Magnesium Alloys ◽  
Study Design ◽  
Mechanical Characteristics ◽  
Design Parameters ◽  
Optimized Design ◽  
Element Analysis ◽  
Biodegradable Properties

Recently, the demand for a bio-absorbable coronary stent to promote recovery after an operation has increased. An option for such a stent is one made of a magnesium alloy, which has biodegradable properties. However, magnesium alloys have lower rigidity and lower ductility than other metals; as such, an appropriate stent structure is required to ensure radial rigidity. In this study, design parameters for an AZ31 magnesium alloy stent with sufficient radial rigidity were investigated. The necessary radial rigidity was determined by comparison tests against commercially available stents. The design parameters of the cell struts were selected and the optimum values to achieve high radial rigidity were investigated by means of elastic–plastic finite element analysis. Finally, a trial model stent based on the optimized design parameters was produced. It was confirmed that the model had sufficient radial rigidity, with no fracturing evident during crimping and expansion processes.

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