Download or read book Corrosion Behavior of Anodized Titanium Nanotube Used in Implant Mater written by Abdulkareem Mohammed and published by . This book was released on 2015-06-16 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigating Corrosion Behaviors of Anodized Metallic Implants by Electrochemical Analysis written by Md. Shafinur Murad and published by . This book was released on 2016 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomaterials are used in implantations inside the human body and have been a reliable method for a long time but not without detrimental effects. Although biomaterial manufacturing companies claim a longer service life for implants, it has been found that after a few years of implantation, a number of patients have complained about severe pain around the implantation areas attributed to the corrosion of implants. A number of research studies are undergoing to understand and reduce this corrosion. Anodization is a method performed in an electrolyte solution to reduce corrosion. Subsequent tests have been performed to recognize the impacts of anodized biomaterials, which includes immersing them into various solutions. The purpose of this research was to carry out a long-term investigation of the corrosive behavior of both anodized and non-anodized biomaterials under controlled conditions. The titanium alloy Ti6Al4V was anodized in 0.4 M phosphoric acid (PHOA) and 0.5 M oxalic acid (OXA), and the magnesium alloy MgAZ31B was anodized in 0.4 M PHOA and 1 N potassium hydroxide (KOH) by applying 20 V DC potential. Prolonged investigations were performed by immersing them in 3% sodium chloride (NaCl), phosphate buffered saline (PBS), and deionized (DI) water solutions and measuring the corrosion rate and pattern by electrochemical analysis. Anodized titanium (Ti) and magnesium (Mg) alloys have been found to be more corrosion resistive than their non-anodized alloys. Maximum corrosion rates (CRs) of 3.0430 mpy and 0.78447 mpy were found for non-anodized and anodized Ti6Al4V, respectively, after immersion in 3% NaCl solution for 1,080 hours. Maximum CRs of 1640.02 mpy and 868.63 mpy were found for nonanodized and anodized MgAZ31B, respectively, after immersion in 3% NaCl solution for 12 hours. It was observed that anodization increases the natural oxide layer on the material surface, which decreases the corrosion rate and prolongs the life of the biomaterial.
Download or read book Corrosion of Titanium written by J. D. Jackson and published by . This book was released on 1966 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Surface Preparation and Corrosion Behavior of Titanium Alloys for Surgical Implants written by AC. Fraker and published by . This book was released on 1983 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface preparation and corrosion behavior of titanium alloys were studied; both topics deal with the formation of surface oxide films. When metals are prepared for surgical implant use, an effort is made to produce an optimum surface. Effects of the surface treatments on surface morphology, surface film composition, and structure are shown in transmission electron photomicrographs and electron diffraction patterns. Roughened surfaces were produced, and surface films of titanium oxide (TiO) or titanium dioxide (TiO2) or both occurred on some specimens. Sodium titanate (NaO . xTiO2) occurred on the specimens washed in sodium hydroxide (NaOH) solution.
Download or read book Titanium and its Alloys written by Janina Adamus and published by Trans Tech Publications Ltd. This book was released on 2016-04-21 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the 12th National Scientific Conference Ti-2015 contains 35 peer-reviewed articles from 16 Polish scientific centres which cover a wide range of basic and applied aspects of the research, modelling, processing and application of titanium and its alloys. The conference Titanium and its alloys is biannual national conference that has been held in Poland since 1990. It is an occasion to bring together scientists and practitioners, exchange their knowledge and experiences. The aim of the proceedings is to develop and promote the use of titanium in technology and medicine. The presented contributions cover these main topics: - Forming the structure and microstructure of titanium materials as well as their physical, chemical and mechanical properties - Surface engineering, advanced technologies of surface and thermo-plastic treatment
Download or read book Biomaterial Related Infections written by Natália Martins and published by MDPI. This book was released on 2020-12-23 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of medical devices (e.g., catheters, implants, and probes) is a common and essential part of medical care for both diagnostic and therapeutic purposes. However, these devices quite frequently lead to the incidence of infections due to the colonization of their abiotic surfaces by biofilm-growing microorganisms, which are progressively resistant to antimicrobial therapies. Several methods based on anti-infective biomaterials that repel microbes have been developed to combat device-related infections. Among these strategies, surface coating with antibiotics (e.g., beta-lactams), natural compounds (e.g., polyphenols), or inorganic elements (e.g., silver and copper nanoparticles) has been widely recognized as exhibiting broad-spectrum bactericidal or bacteriostatic activity. So, in order to achieve a better therapeutic response, it is crucial to understand how these infections are different from others. This will allow us to find new biomaterials characterized by antifouling coatings with repellent properties or low adhesion towards microorganisms, or antimicrobial coatings that are capable of killing microbes approaching the surface, improving biomaterial functionalization strategies and supporting tissues’ bio-integration.
Download or read book Nickel Titanium Materials written by Yoshiki Oshida and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-08-24 with total page 1046 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nickel-Titanium alloys are smart materials exhibiting unique properties such as superelasticity and shape-memory effect. The material has been used as orthodontic wires in the dental field for over 20 years. This book is a comprehensive overview to the field of Ni-Ti Materials and the physical, chemical and mechanical properties of this versatile alloy. In addition, complications and challenges exhibited in applications are also discussed.
Download or read book Degradation of Implant Materials written by Noam Eliaz and published by Springer Science & Business Media. This book was released on 2012-08-21 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the current understanding of the mechanical, chemical and biological processes that are responsible for the degradation of a variety of implant materials. All 18 chapters will be written by internationally renowned experts to address both fundamental and practical aspects of research into the field. Different failure mechanisms such as corrosion, fatigue, and wear will be reviewed, together with experimental techniques for monitoring them, either in vitro or in vivo. Procedures for implant retrieval and analysis will be presented. A variety of biomaterials (stainless steels, titanium and its alloys, nitinol, magnesium alloys, polyethylene, biodegradable polymers, silicone gel, hydrogels, calcium phosphates) and medical devices (orthopedic and dental implants, stents, heart valves, breast implants) will be analyzed in detail. The book will serve as a broad reference source for graduate students and researchers studying biomedicine, corrosion, surface science, and electrochemistry.
Download or read book Bioactive bone regenerative materials and bionic prosthesis interfaces written by He Liu and published by Frontiers Media SA. This book was released on 2023-01-18 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Corrosion Behavior of Surface Modifications on Titanium Dental Implant In Situ Bacteria Monitoring by Electrochemical Techniques written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nanostructured Biomaterials for Cranio Maxillofacial and Oral Applications written by Júlio C. M. Souza and published by Elsevier. This book was released on 2018-01-10 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Biomaterials for Cranio-maxillofacial and Oral Applications examines the combined impact of materials science, biomedical and chemical engineering, and biology to provide enhanced biomaterials for applications in maxillo-facial rehabilitation and implantology. With a strong focus on a variety of material classes, it examines material processing and characterization techniques to decrease mechanical and biological failure in the human body. After an introduction to the field, the most commonly used materials for cranio-facial applications, including ceramics, polymers and glass ceramics are presented. The book then looks at nanostructured surfaces, functionally graded biomaterials and the manufacturing of nanostructured materials via 3-D printing. This book is a valuable resource for scientists, researchers and clinicians wishing to broaden their knowledge in this important and developing field. - Explores the techniques used to apply nanotechnology to biomaterials for cranio-maxillofacial and oral applications - Bridges the gap between fundamental materials science and medicine - Shows how nanostructured biomaterials respond when implanted in the human body
Download or read book TiO2 Nanotube Arrays written by Craig A. Grimes and published by Springer Science & Business Media. This book was released on 2009-08-11 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: TiO2 Nanotube Arrays: Synthesis, Properties, and Applications is the first book to provide an overview of this rapidly growing field. Vertically oriented, highly ordered TiO2 nanotube arrays are unique and easily fabricated materials with an architecture that demonstrates remarkable charge transfer as well as photocatalytic properties. This volume includes an introduction to TiO2 nanotube arrays, as well as a description of the material properties and distillation of the current research. Applications considered include gas sensing, heterojunction solar cells, water photoelectrolysis, photocatalytic CO2 reduction, as well as several biomedical applications. Written by leading researchers in the field, TiO2 Nanotube Arrays: Synthesis, Properties, and Applications is a valuable reference for chemists, materials scientists and engineers involved with renewable energy sources, biomedical engineering, and catalysis, to cite but a few examples.
Download or read book Titanium in Medical and Dental Applications written by Francis Froes and published by Woodhead Publishing. This book was released on 2018-05-09 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium in Medical and Dental Applications is an essential reference book for those involved in biomedical materials and advanced metals. Written by well-known experts in the field, it covers a broad array of titanium uses, including implants, instruments, devices, the manufacturing processes used to create them, their properties, corrosion resistance and various fabrication approaches. Biomedical titanium materials are a critically important part of biomaterials, especially in cases where non-metallic biomedical materials are not suited to applications, such as the case of load-bearing implants. The book also covers the use of titanium for implants in the medical and dental fields and reviews the use of titanium for medical instruments and devices. - Provides an understanding of the essential and broad applications of Titanium in both the medical and dental industries - Discusses the pathways to manufacturing titanium into critical biomedical and dental devices - Includes insights into further applications within the industry
Download or read book Plasma Electrolytic Oxidation PEO Coatings written by Marta Mohedano and published by MDPI. This book was released on 2021-06-02 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma electrolytic oxidation (PEO), also known as micro-arc oxidation (MAO), functionalizes surfaces, improving the mechanical, thermal, and corrosion performance of metallic substrates, along with other tailored properties (e.g., biocompatibility, catalysis, antibacterial response, self-lubrication, etc.). The extensive field of applications of this technique ranges from structural components, in particular, in the transport sector, to more advanced fields, such as bioengineering. The present Special Issue covers the latest advances in PEO‐coated light alloys for structural (Al, Mg) and biomedical applications (Ti, Mg), with 10 research papers and 1 review from leading research groups around the world.
Download or read book Corrosion Behavior of Ti and Ti Based Alloys Used as Implants Supported Mandibular Overdentures written by and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Alloy Materials and Their Allied Applications written by Inamuddin and published by John Wiley & Sons. This book was released on 2020-06-16 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alloy Materials and Their Allied Applications provides an in-depth overview of alloy materials and applications. The 11 chapters focus on the fabrication methods and design of corrosion-resistant, magnetic, biodegradable, and shape memory alloys. The industrial applications in the allied areas, such as biomedical, dental implants, abrasive finishing, surface treatments, photocatalysis, water treatment, and batteries, are discussed in detail. This book will help readers solve fundamental and applied problems faced in the field of allied alloys applications.
Download or read book Anodized Titania Processing and Characterization to Improve Cell materials Interactions for Load Bearing Implants written by Kakoli Das and published by . This book was released on 2007 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to investigate in vitro cell-materials interactions using human osteoblast cells on anodized titanium. Titanium is a bioinert material and, therefore, gets encapsulated after implantation into the living body by a fibrous tissue that isolates them from the surrounding tissues. In this work, bioactive nonporous and nanoporous TiO2 layers were grown on commercially pure titanium substrate by anodization process using different electrolyte solutions namely (1) H3PO 4, (2) HF and (3) H2SO4, (4) aqueous solution of citric acid, sodium fluoride and sulfuric acid. The first three electrolytes produced bioactive TiO2 films with a nonporous structure showing three distinctive surface morphologies. Nanoporous morphology was obtained on Ti-surfaces from the fourth electrolyte at 20V for 4h. Cross-sectional view of the nanoporous surface reveals titania nanotubes of length 600 nm. It was found that increasing anodization time initially increased the height of the nanotubes while maintaining the tubular array structure, but beyond 4h, growth of nanotubes decreased with a collapsed array structure. Human osteoblast (HOB) cell attachment and growth behavior were studied using an osteoprecursor cell line (OPC 1) for 3, 7 and 11 days. Colonization of the cells was noticed with distinctive cell-to-cell attachment on HF anodized surfaces. TiO2 layer grown in H2SO4 electrolyte did not show significant cell growth on the surface, and some cell death was also noticed. Good cellular adherence with extracellular matrix extensions in between the cells was noticed for samples anodized with H3PO 4 electrolyte and nanotube surface. Cell proliferation was excellent on anodized nanotube surfaces. An abundant amount of extracellular matrix (ECM) between the neighboring cells was also noticed on nanotube surfaces with filopodia extensions coming out from cells to grasp the nanoporous surface for anchorage. To better understand and compare cell-materials interactions, anodized nanoporous sample surfaces were etched with different patterns. Preferential cell attachment was noticed on nanotube surfaces compared to no cells on etched patterned surface. Cell adhesions and differentiation were more pronounced with vinculin protein and alkaline phosphatase, respectively, on anodized surfaces. MTT assays showed increase in living cell density and higher proliferation on H3PO4, HF and nanotube surfaces. When anodized surfaces were compared for cell materials interaction, it was noticed that each of the surfaces has different surface properties that led to variations in cell-materials interactions. It was clear that rough surface morphology, high surface energy, and low value of the contact angles were important factors for better cell materials interaction. Mineralization study was done in simulated body fluid (SBF) with ion concentration nearly equal to human blood plasma to further understand biomimetic apatite deposition behavior. Similar to cell-materials interaction, variation in mineral deposition behavior was also noticed for films grown with different electrolytes. These results clearly show that nonporous titania in H3PO4, HF electrolytes and nanotubes can significantly increase biocompatibility of Ti implants, which has the potential to reduce the healing time and increase in vivo lifetime for these implants.
