On the Mechanism of the Reversible Monoclinic-tetragonal Phase Transformation in Zirconia PDF Download
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Author: Sergej-Tomislav V. Buljan
Publisher:
ISBN:
Category : Solid state physics
Languages : en
Pages : 382
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Book Description
Author: Sergej-Tomislav V. Buljan
Publisher:
ISBN:
Category : Solid state physics
Languages : en
Pages : 382
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Book Description
Author: Clark F. Grain
Publisher:
ISBN:
Category : Zirconium oxide
Languages : en
Pages : 28
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Book Description
Author: Neville Sonnenberg
Publisher:
ISBN:
Category : Zirconium oxide
Languages : en
Pages : 342
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Book Description
Author: Mahmood Mamivand
Publisher:
ISBN:
Category :
Languages : en
Pages : 176
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Book Description
Zirconia based ceramics are strong, hard, inert, and smooth, with low thermal conductivity and good biocompatibility. Such properties made zirconia ceramics an ideal material for different applications form thermal barrier coatings (TBCs) to biomedicine applications like femoral implants and dental bridges. However, this unusual versatility of excellent properties would be mediated by the metastable tetragonal (or cubic) transformation to the stable monoclinic phase after a certain exposure at service temperatures. This transformation from tetragonal to monoclinic, known as LTD (low temperature degradation) in biomedical application, proceeds by propagation of martensite, which corresponds to transformation twinning. As such, tetragonal to monoclinic transformation is highly sensitive to mechanical and chemomechanical stresses. It is known in fact that this transformation is the source of the fracture toughening in stabilized zirconia as it occurs at the stress concentration regions ahead of the crack tip. This dissertation is an attempt to provide a kinetic-based model for tetragonal to monoclinic transformation in zirconia. We used the phase field technique to capture the temporal and spatial evolution of monoclinic phase. In addition to morphological patterns, we were able to calculate the developed internal stresses during tetragonal to monoclinic transformation. The model was started form the two dimensional single crystal then was expanded to the two dimensional polycrystalline and finally to the three dimensional single crystal. The model is able to predict the most physical properties associated with tetragonal to monoclinic transformation in zirconia including: morphological patterns, transformation toughening, shape memory effect, pseudoelasticity, surface uplift, and variants impingement. The model was benched marked with several experimental works. The good agreements between simulations results and experimental data, make the model a reliable tool for predicting tetragonal to monoclinic transformation in the cases we lack experimental observations.
Author: M., Bannister
Publisher: CRC Press
ISBN: 1000940322
Category : Technology & Engineering
Languages : en
Pages : 881
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Book Description
This book is based on the Fifth International Conference that was held on 16-21 August, 1992 in Melbourne, Australia, in conjunction with AUSTCERAM 92. It demonstrates that the field of Zirconia ceramics remains one of scientific challenge and technical attraction.
Author: Girraj Kishore Bansal
Publisher:
ISBN:
Category : Crystals
Languages : en
Pages : 124
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Book Description
Author: Clark F. Grain
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 428
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Book Description
Author: John Wood
Publisher: Springer Science & Business Media
ISBN: 1468423401
Category : Science
Languages : en
Pages : 770
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Book Description
New Crystallographic Developments Applicable in Studies of Reactions in Solids (Introductory Lecture).- Reactions at Surfaces and Interfaces (Plenary Lecture).- Reaction Kinetics in the Ca-Mn-O System.- Surface Reactivity Towards Olefin Oxidation of Cadmium Molybdate Doped with Transition Metal Ions.- Chemisorption of Sulfur on Iron and Its Influence on Iron-Gas Reactions, Surface Self Diffusion and Sintering of Iron.- The Influence of Intrinsic Defects on the Mechanism of the Solid State Reaction Between CdTe and HgSe.- Characterization and Surface Reactivity of Finely-Divided CoO-MgO Solid S.
Author: Kenneth J. Anusavice, DMD, PhD
Publisher: Elsevier Health Sciences
ISBN: 1437724183
Category : Medical
Languages : en
Pages : 588
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Book Description
Learn the most up-to-date information on materials used in the dental office and laboratory today. Emphasizing practical, clinical use, as well as the physical, chemical, and biological properties of materials, this leading reference helps you stay current in this very important area of dentistry. This new full-color edition also features an extensive collection of new clinical photographs to better illustrate the topics and concepts discussed in each chapter. Organization of chapters and content into four parts (General Classes and Properties of Dental Materials; Auxiliary Dental Materials; Direct Restorative Materials; and Indirect Restorative Materials) presents the material in a logical and effective way for better comprehension and readability. Balance between materials science and manipulation bridges the gap of knowledge between dentists and lab technicians. Major emphasis on biocompatibility serves as a useful guide for clinicians and educators on material safety. Distinguished contributor pool lends credibility and experience to each topic discussed. Critical thinking questions appearing in boxes throughout each chapter stimulate thinking and encourage classroom discussion of key concepts and principles. Key terms presented at the beginning of each chapter helps familiarize readers with key terms so you may better comprehend text material. NEW! Full color illustrations and line art throughout the book make text material more clear and vivid. NEW! Chapter on Emerging Technologies keeps you up to date on the latest materials in use. NEW! Larger trim size allows the text to have fewer pages and makes the content easier to read.
