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Author : Martin O'Driscoll
Release : 1993
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Testing of Plasma Sprayed Hydroxyapatite Coatings by : Martin O'Driscoll
Download or read book Testing of Plasma Sprayed Hydroxyapatite Coatings written by Martin O'Driscoll. This book was released on 1993. Available in PDF, EPUB and Kindle. Book excerpt:
Author : CC. Berndt
Release : 1994
Genre : Amorphous
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Structural Changes of Plasma Sprayed Hydroxyapatite Coatings During In-Vitro Testing by : CC. Berndt
Download or read book Structural Changes of Plasma Sprayed Hydroxyapatite Coatings During In-Vitro Testing written by CC. Berndt. This book was released on 1994. Available in PDF, EPUB and Kindle. Book excerpt: The in-vitro behavior of hydroxyapatite (HAp) coatings depends on the thermal history of the coating after thermal spraying. As-sprayed amorphous coatings degrade in Ringer's solution. Heat treatment at 800 °C for 2 hours produces a crystalline coating which upon immersion in physiological solution displays a greater stability. Coatings are characterized for surface morphology, composition, crystallinity, roughness, and weight loss. The as-sprayed coating shows changes in the coating morphology with immersion time. Individual lamellae crack and separate from the coating. Those lamellae still intact show evidence of dissolution. After a period of 8 weeks small HAp spheres cover the surface of the as-sprayed and heat treated coatings. These morphological changes are expected to influence the rate of bone bonding. Therefore post-treatment of HAp coatings is seen as a technique to alter or control implant-tissue interactions.
Author : Arjun Dey
Release : 2015-03-19
Genre : Technology & Engineering
Kind : eBook
Book Rating : 942/5 ( reviews)
Book Synopsis Microplasma Sprayed Hydroxyapatite Coatings by : Arjun Dey
Download or read book Microplasma Sprayed Hydroxyapatite Coatings written by Arjun Dey. This book was released on 2015-03-19. Available in PDF, EPUB and Kindle. Book excerpt: There has been enormous growth in the use of medical implants. However, in the case of hip replacement, loosening of metallic prosthesis fixed with polymethylmethylacrylate bone cement has resulted in painstaking revision surgery, which is a major problem for the patient, surgeon, and biomedical technology itself. In fact, global recognition of thi
Author : Robert B. Heimann
Release : 2008-07-11
Genre : Technology & Engineering
Kind : eBook
Book Rating : 842/5 ( reviews)
Book Synopsis Plasma-Spray Coating by : Robert B. Heimann
Download or read book Plasma-Spray Coating written by Robert B. Heimann. This book was released on 2008-07-11. Available in PDF, EPUB and Kindle. Book excerpt: Over the past two decades, thermal spraying of metallic, ceramic and composite coatings has emerged as a powerful tool for surface engineering, with many new applications and markets continually being developed. This book will help materials scientists and engineers to choose the most appropriate combination of materials, equipment, and operation parameters for the design of high-performance coatings with new functional properties and improved service life. Includes: * a thorough treatment of the fundamental physical processes governing plasma spray technology; * a critical assessment of advantages and disadvantages of the method compared with other suface coating techniques; * a discussion of basic equipment requirements and limitations; * case studies and typical applications to solve industrial problems. Plasma-Spray Coating offers a stimulating combination of basic concepts and practical applications. Materials scientists and engineers, as well as graduate students will find this book of enormous value.
Author : Hamidreza Salimi Jazi
Release : 2012-03-21
Genre : Technology & Engineering
Kind : eBook
Book Rating : 490/5 ( reviews)
Book Synopsis Advanced Plasma Spray Applications by : Hamidreza Salimi Jazi
Download or read book Advanced Plasma Spray Applications written by Hamidreza Salimi Jazi. This book was released on 2012-03-21. Available in PDF, EPUB and Kindle. Book excerpt: Recently, plasma spray has been received a large number of attentions for various type of applications due to the nature of the plasma plume and deposition structure. The plasma gas generated by the arc, consists of free electrons, ionized atoms, some neutral atoms, and undissociated diatomic molecules. The temperature of the core of the plasma jet may exceed up to 30,000 K. Gas velocity in the plasma spray torch can be varied from subsonic to supersonic using converging-diverging nozzles. Heat transfer in the plasma jet is primarily the result of the recombination of the ions and re-association of atoms in diatomic gases on the powder surfaces and absorption of radiation. Taking advantages of the plasma plume atmosphere, plasma spray can be used for surface modification and treatment, especially for activation of polymer surfaces. I addition, plasma spray can be used to deposit nanostructures as well as advanced coating structures for new applications in wear and corrosion resistance. Some state-of-the-art studies of advanced applications of plasma spraying such as nanostructure coatings, surface modifications, biomaterial deposition, and anti wear and corrosion coatings are presented in this book.
