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Full-Text Articles in Biomedical Engineering and Bioengineering

Development Of An Inflammatory Joint Fluid Corrosion Assessment Method For Metallic Biomaterials, Kathleen Pieri May 2016

Development Of An Inflammatory Joint Fluid Corrosion Assessment Method For Metallic Biomaterials, Kathleen Pieri

Syracuse University Honors Program Capstone Projects

There is currently no systematic way to analyze the corrosion response of orthopedic alloys in contact with human joint fluid. The goal of this project was to design and test a small device that can successfully run electrochemical tests on retrieved inflamed joint fluids. Methods of fluid testing analysis were also explored. The a small electrochemical cell was created using polypropylene for the body and an electrode cartridge that could be disposed of after each test. In total the device could hold 4 mL of liquid. Testes were preformed using titanium, stainless steel, and CoCrMo alloys as the working electrodes ...


Electrochemical Investigation Of Chromium Nanocarbide Coated Ti-6al-4v And Co-Cr-Mo Alloy Substrates, Viswanathan Swaminathan, Haitong Zeng, Daniel Lawrynowicz, Zongtao Zhang, Jeremy L. Gilbert Jan 2011

Electrochemical Investigation Of Chromium Nanocarbide Coated Ti-6al-4v And Co-Cr-Mo Alloy Substrates, Viswanathan Swaminathan, Haitong Zeng, Daniel Lawrynowicz, Zongtao Zhang, Jeremy L. Gilbert

Biomedical and Chemical Engineering

This study investigated the electrochemical behavior of chromium nano-carbide cermet coating applied on Ti–6Al–4V and Co–Cr–Mo alloys for potential application as wear and corrosion resistant bearing surfaces. The cermet coating consisted of a highly heterogeneous combination of carbides embedded in a metal matrix. The main factors studied were the effect of substrate (Ti–6Al–4V vs. Co–Cr–Mo), solution conditions (physiological vs. 1 M H2O2 of pH 2), time of immersion (1 vs. 24 h) and post coating treatments (passivation and gamma sterilization). The coatings were produced with high velocity oxygen fuel ...