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Inelastic Deformation And Microstructural Analysis Of Transition Metal Carbides
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Book Synopsis Inelastic Deformation and Microstructural Analysis of Transition Metal Carbides by : Sura Vivek M.
Download or read book Inelastic Deformation and Microstructural Analysis of Transition Metal Carbides written by Sura Vivek M. and published by . This book was released on 1985 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1991 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deformation and Phase Stability Behavior in Transition Metal Carbides by : Chase Smith
Download or read book Deformation and Phase Stability Behavior in Transition Metal Carbides written by Chase Smith and published by . This book was released on 2018 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extreme environment applications require materials that have melting temperatures in excess of 3000 ℗ʻC and that can retain good mechanical properties at high temperatures. Transition metal carbides (TMCs) are excellent candidates due to their high melting temperatures, high hardness, and low chemical reactivity. These materials display a duality of mechanical responses dependent on structure and temperature. This research aims at understanding the phase stability and deformation behavior of TMCs at compositions and temperatures that have received little investigation. A series of HfxTa1-xC compositions were computationally predicted, fabricated, and verified by experimentally identifying their phase formation, hardness, and dislocation behavior. Hardness values obtained via nanoindentation verified computational trends which predicted a modest rise in the Hf-rich ternary compositions. The presence of small amounts of Ta in Hf-rich ternary compositions yielded a change in slip system from the reported 110{110} in HfC to 110{111} commonly observed in TaC. To gain insight into the deformation and slip behavior of TaC and HfC at ultra-high temperatures, a thermo-mechanical testing apparatus was built for deforming specimens between 2100 ℗ʻC to 2900 ℗ʻC. Samples were resistively heated in the presence of a magnetic field to produce a non-contact Lorentz force. Greater deflection was observed for HfC up to 2300 ℗ʻC attributed to differences in grain size. TaC deflection increased with rising temperature whereas HfC deflection decreased. This unexpected observation was discovered to be an artifact of plastic deformation that occurred during the preload. Mass transport and diffusional creep were found dominant with a preference for 110{110} slip behavior observed for both carbides. To understand phase stability in the Nb-C system, a series of NbCx compositions were fabricated to span between the single-phase NbC and single-phase Nb2C with several compositions residing in multi-phase regions of the phase diagrams. Equiaxed grains formed for all compositions with those between ~ 0.56 to ~ 0.63 C/Nb exhibiting a lath0́3like microstructure as well. Additionally, a diffusion couple was processed near the same conditions to establish the phase transformations that lead to the observed microstructures. Carbon was observed to deplete from NbC and react with the Nb metal to form Îø-Nb2C.
Author :United States. Department of Energy. Office of Basic Energy Sciences Publisher : ISBN 13 : Total Pages :180 pages Book Rating :4.F/5 ( download)
Book Synopsis Materials Sciences Programs by : United States. Department of Energy. Office of Basic Energy Sciences
Download or read book Materials Sciences Programs written by United States. Department of Energy. Office of Basic Energy Sciences and published by . This book was released on 1979 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inelastic Deformation of Metals by : Donald C. Stouffer
Download or read book Inelastic Deformation of Metals written by Donald C. Stouffer and published by Wiley-Interscience. This book was released on 1996 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using a totally new approach, this groundbreaking book establishes the logical connections between metallurgy, materials modeling, and numerical applications. In recognition of the fact that classical methods are inadequate when time effects are present, or when certain types of multiaxial loads are applied, the new, physically based state variable method has evolved to meet these needs. Inelastic Deformation of Metals is the first comprehensive presentation of this new technology in book form. It develops physically based, numerically efficient, and accurate methods for predicting the inelastic response of metals under a variety of loading and environmental conditions. More specifically, Inelastic Deformation of Metals: Demonstrates how to use the metallurgical information to develop material models for structural simulations and low cyclic fatigue predictions. It presents the key features of classical and state variable modeling, describes the different types of models and their attributes, and provides methods for developing models for special situations. This book's innovative approach covers such new topics as multiaxial loading, thermomechanical loading, and single crystal superalloys. Provides comparisons between data and theory to help the reader make meaningful judgments about the value and accuracy of a particular model and to instill an understanding of how metals respond in real service environments. Analyzes the numerical methods associated with nonlinear constitutive modeling, including time independent, time dependent numerical procedures, time integration schemes, inversion techniques, and sub-incrementing. Inelastic Deformation of Metals is designed to give the professional engineer and advanced student new and expanded knowledge of metals and modeling that will lead to more accurate judgments and more efficient designs. In contrast to existing plasticity books, which discuss few if any correlations between data and models, this breakthrough volume shows engineers and advanced students how materials and models actually do behave in real service environments. As greater demands are placed on technology, the need for more meaningful judgments and more efficient designs increases dramatically. Incorporating the state variable approach, Inelastic Deformation of Metals: Provides an overview of a wide variety of metal response characteristics for rate dependent and rate independent loading conditions Shows the correlations between the mechanical response properties and the deformation mechanisms, and describes how to use this information in constitutive modeling Presents different modeling options and discusses the usefulness and limitations of each modeling approach, with material parameters for each model Offers numerous examples of material response and correlation with model predictions for many alloys Shows how to implement nonlinear material models in stand-alone constitutive model codes and finite element codes An innovative, comprehensive, and essential book, Inelastic Deformation of Metals will help practicing engineers and advanced students in mechanical, aerospace, civil, and metallurgical engineering increase their professional skills in the modern technological environment.
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Dissertation Abstracts International written by and published by . This book was released on 1986 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Modeling and Analysis of High Temperature Inelastic Deformation in Metal Matrix Composites by : Rahul S. Shah
Download or read book Modeling and Analysis of High Temperature Inelastic Deformation in Metal Matrix Composites written by Rahul S. Shah and published by . This book was released on 1991 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book U.S. Government Research Reports written by and published by . This book was released on 1962 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1963 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Anglo-American Interpreter by : Herbert William Horwill
Download or read book An Anglo-American Interpreter written by Herbert William Horwill and published by . This book was released on 1939 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ceramics Technology written by and published by . This book was released on 1996 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: