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Literature DB >> 28626241

Flow-induced corrosion of absorbable magnesium alloy: In-situ and real-time electrochemical study.

Juan Wang^1,2, Yongseok Jang¹, Guojiang Wan², Venkataraman Giridharan¹, Guang-Ling Song³, Zhigang Xu¹, Youngmi Koo¹, Pengkai Qi², Jagannathan Sankar¹, Nan Huang², Yeoheung Yun¹.

Abstract

An in-situ and real-time electrochemical study in a vascular bioreactor was designed to analyze corrosion mechanism of magnesium alloy (MgZnCa) under mimetic hydrodynamic conditions. Effect of hydrodynamics on corrosion kinetics, types, rates and products was analyzed. Flow-induced shear stress (FISS) accelerated mass and electron transfer, leading to an increase in uniform and localized corrosions. FISS increased the thickness of uniform corrosion layer, but filiform corrosion decreased this layer resistance at high FISS conditions. FISS also increased the removal rate of localized corrosion products. Impedance-estimated and linear polarization-measured polarization resistances provided a consistent correlation to corrosion rate calculated by computed tomography.

Entities: Chemical Disease Gene Species

Keywords: EIS; Flow induced corrosion; Magnesium; Monitoring; Vascular bioreactor

Year: 2015 PMID： 28626241 PMCID： PMC5473620 DOI： 10.1016/j.corsci.2015.12.020

Source DB: PubMed Journal: Corros Sci ISSN： 0010-938X Impact factor: 7.205

14 in total

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Journal: Chemphyschem Date: 2014-11-25 Impact factor: 3.102

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Journal: Angew Chem Int Ed Engl Date: 2002-09-02 Impact factor: 15.336

9. Safety and performance of the drug-eluting absorbable metal scaffold (DREAMS) in patients with de-novo coronary lesions: 12 month results of the prospective, multicentre, first-in-man BIOSOLVE-I trial.

Authors: Michael Haude; Raimund Erbel; Paul Erne; Stefan Verheye; Hubertus Degen; Dirk Böse; Paul Vermeersch; Inge Wijnbergen; Neil Weissman; Francesco Prati; Ron Waksman; Jacques Koolen
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7 in total

1. Ex vivo blood vessel bioreactor for analysis of the biodegradation of magnesium stent models with and without vessel wall integration.

Authors: Juan Wang; Lumei Liu; Yifan Wu; Manfred F Maitz; Zhihong Wang; Youngmi Koo; Ansha Zhao; Jagannathan Sankar; Deling Kong; Nan Huang; Yeoheung Yun
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Review 4. In silico modelling of the corrosion of biodegradable magnesium-based biomaterials: modelling approaches, validation and future perspectives.

Authors: Aditya Joshi; George Dias; Mark P Staiger
Journal: Biomater Transl Date: 2021-09-28