Initial Corrosion Study of Magnesium Alloys in Simulated Body Fluid By SECM

2017 ◽  
Keyword(s):  
Simulated Body Fluid ◽  
Magnesium Alloys ◽  
Body Fluid ◽  
Corrosion Study

Corrosion Fatigue Behaviour of a Common AZ91D Magnesium Alloy in Modified Simulated Body Fluid

2014 ◽  
Vol 891-892 ◽  
pp. 267-272 ◽  
Author(s):  
Sajjad Jafari ◽  
R.K. Singh Raman
Keyword(s):  
Magnesium Alloy ◽  
Simulated Body Fluid ◽  
Magnesium Alloys ◽  
Corrosion Fatigue ◽  
Body Fluid ◽  
Fatigue Behaviour ◽  
New Paradigm ◽  
Metallic Implants ◽  
Alloy Az91d ◽  
Cast Magnesium

Use of Magnesium alloys as body implants are breaking into a new paradigm of biomedical engineering as they are biocompatible, biodegradable and have mechanical properties close to that of bone. Even though corrosion fatigue (CF) and stress corrosion cracking (SCC) failures are among the most common concerns for metallic implants, CF behaviour of magnesium alloys in physiological environments has received little attention. This article reports the CF results of a common cast magnesium alloy (AZ91D) in modified simulated body fluid (m-SBF). Results showed that there was a remarkable difference in fatigue strength of Mg alloys when tests were performed in m-SBF.

Corrosion study of biodegradable magnesium based 1393 bioactive glass in simulated body fluid

2019 ◽  
Vol 45 (14) ◽  
pp. 16893-16903 ◽  
Author(s):  
Pooja Rai ◽  
Amrendra Rai ◽  
Vijay Kumar ◽  
R.K. Chaturvedi ◽  
Vinay Kumar Singh
Keyword(s):  
Simulated Body Fluid ◽  
Bioactive Glass ◽  
Body Fluid ◽  
Corrosion Study ◽  
Biodegradable Magnesium

Corrosion Behaviors in Simulated Body Fluid for TiO2 Films Deposited on AZ31 Magnesium Alloys by Magnetron Sputtering

2012 ◽  
Vol 217-219 ◽  
pp. 1053-1056
Author(s):  
Xiang Rong Zhu ◽  
Zhong Ping Xu ◽  
Nai Ci Bing ◽  
Qiu Rong Chen
Keyword(s):  
Magnesium Alloy ◽  
Simulated Body Fluid ◽  
Magnetron Sputtering ◽  
Magnesium Alloys ◽  
Body Fluid ◽  
Az31 Magnesium Alloy ◽  
Tio2 Films ◽  
Tio2 Layer ◽  
Corrosion Properties ◽  
Corrosion Behaviors

TiO2 films were deposited on AZ31 magnesium alloy substrates by r.f. magnetron sputtering. The corrosion behaviors in simulated body fluid (SBF) of the film samples were investigated and compared to the bare AZ31 magnesium alloy. After 3 days’ corrosion in SBF, only part of the TiO2 layer suffered from corrosion and the substrate was prevented from corrosion. In contrast, the bare magnesium alloy suffered from severe corrosion. After 10 days’ corrosion, the TiO2 layer was penetrated and the substrates still did not suffer from corrosion. After 15 days’ corrosion, besides TiO2 layer, the substrate suffered from corrosion to some degree. The depth of the corrosion layer is about 6 m, which is far lower than that of bare magnesium alloy, 40 m. The results show that TiO2 films effectively improve the corrosion properties of magnesium alloys.

Microstructure and corrosion study of porous Mg–Zn–Ca alloy in simulated body fluid

2017 ◽  
Vol 4 (3) ◽  
pp. 034006 ◽  
Author(s):  
Dhyah Annur ◽  
Aprilia Erryani ◽  
Franciska P Lestari ◽  
I Nyoman Putrayasa ◽  
P A Gede ◽  
...  
Keyword(s):  
Simulated Body Fluid ◽  
Body Fluid ◽  
Corrosion Study

Control of Degradation of Biocompatible Magnesium in a Pseudo-Physiological Environment by a Ceramic Like Anodized Coating

2007 ◽  
Vol 29-30 ◽  
pp. 95-98 ◽  
Author(s):  
Guang Ling Song
Keyword(s):  
Magnesium Alloy ◽  
Simulated Body Fluid ◽  
Hydrogen Evolution ◽  
Magnesium Alloys ◽  
Body Fluid ◽  
Degradation Rate ◽  
Biodegradable Implant ◽  
New Approach ◽  
Biodegradation Process

Magnesium alloys are potential biodegradable implant materials. However, magnesium alloys normally corrode rapidly in the in-vivo fluid, resulting in subcutaneous gas bubbles and alkalisation of the in-vivo solution. The paper presents a new approach to control the degradation rate of magnesium in a simulated body fluid (SBF) through employing a recently developed anodising technique. It was found that the ceramic like anodised coating formed on the surface of magnesium can effectively slow down the biodegradation process and hence result in slow hydrogen evolution and solution alkalisation processes. The results imply that an anodised magnesium alloy may be successfully used as a biodegradable implant material.

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