Jard N
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The True Story Of Richard N Lewis Of Hard Times Growing Up In The Forties And Fifties
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Author :
language : en
Publisher: Dorrance Publishing
Release Date :
The True Story Of Richard N Lewis Of Hard Times Growing Up In The Forties And Fifties written by and has been published by Dorrance Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Hard N Back
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Author : Patrick Moran
language : en
Publisher: Lulu.com
Release Date : 2013-04-23
The Hard N Back written by Patrick Moran and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-23 with Fiction categories.
A sports odyssey about a planet whose water-borne, raft-dwelling peoples must compete in globe-girding rowing regattas in order to win the right to reproduce. Failure to win means facing the ""Long Death"" of extinction. But more than telling of a fight for survival, The Hard'n-Back tells a love story whose timeless dimensions of devotion and sacrifice reach beyond the boundaries of survival itself.
On Early English Pronunciation
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Author : Alexander John Ellis
language : en
Publisher:
Release Date : 1889
On Early English Pronunciation written by Alexander John Ellis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1889 with English language categories.
Elections In Hard Times
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Author : Thomas Edward Flores
language : en
Publisher: Cambridge University Press
Release Date : 2016-09
Elections In Hard Times written by Thomas Edward Flores and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09 with Political Science categories.
Demonstrates why elections fail to promote democracy when countries lack democratic experience and are held during civil conflict.
Phase Stability And Defect Structures In Ti Al N Hard Coatings
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Author : Katherine M. Calamba
language : en
Publisher: Linköping University Electronic Press
Release Date : 2019-05-27
Phase Stability And Defect Structures In Ti Al N Hard Coatings written by Katherine M. Calamba and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-27 with categories.
This study highlights the role of nitrogen vacancies and defect structures in engineering hard coatings with enhanced phase stability and mechanical properties for high temperature applications. Titanium aluminum nitride (Ti,Al)N based materials in the form of thin coatings has remained as an outstanding choice for protection of metal cutting tools due to its superior oxidation resistance and high-temperature wear resistance. High-temperature spinodal decomposition of metastable (Ti,Al)N into coherent c-TiN and c-AlN nm-sized domains results in high hardness at elevated temperatures. Even higher thermal input leads to transformation of c-AlN to w-AlN, which is detrimental to the mechanical properties of the coating. One mean to delay this transformation is to introduce nitrogen vacancies. In this thesis, I show that by combining a reduction of the overall N-content of the c-(Ti,Al)Ny (y < 1) coating with a low substrate bias voltage during cathodic arc deposition an even more pronounced delay of the c-AlN to w-AlN phase transformation is achieved. Under such condition, age hardening is retained until 1100 ?C, which is the highest temperature reported for (Ti,Al)N films. During cutting operations, the wear mechanism of the cathodicarc-deposited c-(Ti0.52Al0.48)Ny with N-contents of y = 0.92, 0.87, and 0.75 films are influenced by the interplay of nitrogen vacancies, microstructure, and chemical reactions with the workpiece material. The y = 0.75 coating contains the highest number of macroparticles and has an inhomogeneous microstructure after machining, which lower its flank and crater wear resistance. Age hardening of the y = 0.92 sample causes its superior flank wear resistance while the dense structure of the y = 0.87 sample prevents chemical wear that results in excellent crater wear resistance. Heteroepitaxial c-(Ti1-x,Alx)Ny (y = 0.92, 0.79, and0.67) films were grown on MgO(001) and (111) substrates using magnetron putter deposition to examine the details of their defect structures during spinodal decomposition. At 900 ?C, the films decompose to form coherent c-AlN- and c-TiN- rich domains with elongated shape along the elastically soft <001> direction. Deformation maps show that most strains occur near the interface of the segregated domains and inside the c-TiN domains. Dislocations favorably aggregate in c-TiN rather than c-AlN because the later has stronger directionality of covalent chemical bonds. At elevated temperature, the domain size of (001) and (111)- oriented c-(Ti,Al)Ny films increases with the nitrogen content. This indicates that there is a delay in coarsening due to the presence of more N vacancies in the film. The structural and functional properties (Ti1-x,Alx)Ny are also influenced by its Al content (x). TiN and (Ti1-x,Alx)Ny (y = 1, x = 0.63 and x = 0.77) thin films were grown on MgO(111) substrates using magnetron sputtering technique. Both TiN and Ti0.27Al0.63N films are single crystals with cubic structure. (Ti0.23,Al0.77)N film has epitaxial cubic structure only in the first few atomic layers then it transitions to an epitaxial wurtzite layer, with an orientation relationship of c-(Ti0.23,Al0.77)N(111)[1-10]??w-(Ti0.23,Al0.77)N(0001)[11-20]. The w-(Ti0.23,Al0.77)N shows phase separation of coherent nm-sized domains with varying chemical composition during growth. After annealing at high temperature, the domains in w-(Ti0.23,Al0.77)N have coarsened. The domains in w-(Ti0.23,Al0.77)N are smaller compared to the domains in c-(Ti0.27,Al0.63)N film that has undergone spinodal decomposition. The results that emerged from this thesis are of great importance in the cutting tool industry and also in the microelectronics industry, because the layers examined have properties that are well suited for diffusion barriers.
A Manual Of Scientific Terms
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Author : James Stormonth
language : en
Publisher:
Release Date : 1879
A Manual Of Scientific Terms written by James Stormonth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1879 with Science categories.
Theory Of Cryptography
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Author : Ran Canetti
language : en
Publisher: Springer
Release Date : 2008-02-26
Theory Of Cryptography written by Ran Canetti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-26 with Computers categories.
This book constitutes the refereed proceedings of the Fifth Theory of Cryptography Conference, TCC 2008. It covers the paradigms, approaches and techniques used to conceptualize, define and provide solutions to natural cryptographic problems.
Tenth Report Of The Board Of Trustees Of The Illinois Industrial University Urbana Champaign County
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Author :
language : en
Publisher:
Release Date : 1881
Tenth Report Of The Board Of Trustees Of The Illinois Industrial University Urbana Champaign County written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1881 with categories.
Report University Of Illinois Board Of Trustees
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Author : University of Illinois (System). Board of Trustees
language : en
Publisher:
Release Date : 1881
Report University Of Illinois Board Of Trustees written by University of Illinois (System). Board of Trustees and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1881 with categories.
German And English
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Author : Felix Flügel
language : en
Publisher:
Release Date : 1891
German And English written by Felix Flügel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1891 with English language categories.