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Author: N.S. Gajbhiye Publisher: Springer Science & Business Media ISBN: 354078697X Category : Science Languages : en Pages : 1282
Book Description
Disordered nature of structural arrangement in amorphous and nanocrystalline alloys gives rise to advantageous soft magnetic properties in particular from a practical application viewpoint [1]. Especially nanocrystalline alloys attract a lot of scienti?c interest because, contrary to their amorphous counterparts, their magnetic parameters do not substantially deteriorate at elevated temperatures during the process of their practical exploitation. To bene?t from their unique magnetic pr- erties, the mechanism of crystallization should be known. Here, we present the study of structural transformation of NANOPERM-type alloys by the help of Mössbauer spectrometry, conventional X-ray diffraction (XRD), and by an advanced diffraction of synchrotron radiation. 2 Experimental Alloys of the composition Fe Mo Cu B for x = 12, 15, 17, 20 prepared by 91?x 8 1 x 57 rapid quenching on a rotating wheel were analyzed in the as-cast state by Fe transmission Mössbauer spectrometry (TMS) and by conversion electron Mössbauer spectrometry (CEMS). The obtained as-quenched ribbons were about 10 mm wide and 20 ?m thick. The nanocrystalline state was achieved by annealing about 2 cm ? long samples for 1 h at temperatures up to 650 C in a vacuum. Conventional XRD was performed with Cu-K radiation in Bragg-Brentano con?guration with graphite ? monochromator in the diffracted beam. Monochromatic synchrotron radiation of 7keV(? = 0. 178 nm) provided at the KMC-2 beamline at BESSY Berlin was used for in situ examinations of structural transformations during continuous heat treatment.
Author: N.S. Gajbhiye Publisher: Springer Science & Business Media ISBN: 354078697X Category : Science Languages : en Pages : 1282
Book Description
Disordered nature of structural arrangement in amorphous and nanocrystalline alloys gives rise to advantageous soft magnetic properties in particular from a practical application viewpoint [1]. Especially nanocrystalline alloys attract a lot of scienti?c interest because, contrary to their amorphous counterparts, their magnetic parameters do not substantially deteriorate at elevated temperatures during the process of their practical exploitation. To bene?t from their unique magnetic pr- erties, the mechanism of crystallization should be known. Here, we present the study of structural transformation of NANOPERM-type alloys by the help of Mössbauer spectrometry, conventional X-ray diffraction (XRD), and by an advanced diffraction of synchrotron radiation. 2 Experimental Alloys of the composition Fe Mo Cu B for x = 12, 15, 17, 20 prepared by 91?x 8 1 x 57 rapid quenching on a rotating wheel were analyzed in the as-cast state by Fe transmission Mössbauer spectrometry (TMS) and by conversion electron Mössbauer spectrometry (CEMS). The obtained as-quenched ribbons were about 10 mm wide and 20 ?m thick. The nanocrystalline state was achieved by annealing about 2 cm ? long samples for 1 h at temperatures up to 650 C in a vacuum. Conventional XRD was performed with Cu-K radiation in Bragg-Brentano con?guration with graphite ? monochromator in the diffracted beam. Monochromatic synchrotron radiation of 7keV(? = 0. 178 nm) provided at the KMC-2 beamline at BESSY Berlin was used for in situ examinations of structural transformations during continuous heat treatment.
Author: Lotfia M. El Nadi Publisher: World Scientific ISBN: 9814317519 Category : Science Languages : en Pages : 372
Book Description
Modern Trends in Physics Research MTPR-08 was the third of the International Conference series held biannually by the Physics Department in Faculty of Science of Cairo University.The objectives of the conference are to develop greater understanding of physics research and its applications to promote new industries; to innovate knowledge about recent breakthroughs in physics, both the fundamental and technological aspects; to implement of international cooperation in new trends in physics research and to improve the performance of the physics research facilities in Egypt. This proceeding highlights the latest results in the fields of astrophysics, atomic, molecular, condensed matter, lasers, nuclear and particle physics. The peer refereed papers collected in this volume, were written by international experts in these fields. The keynote lecture, ?Overview on the Era of the Exploration of the Planets and Planetary Systems,? delivered by Professor Jay M Pasachoff of Williams College ? Hopkins Observatory was featured in the proceedings. As 2008 was the 50th anniversary of the launch of Sputnik, which began the Space Age, this volume is a unique collection of keynote, plenary and invited presentations covering fields of astrophysics, atomic physics, condensed matter physics as well as nanotechnology, molecular physics and laser physics. This volume will serve as a useful reference for scientists in modern physics and technology of the 21st century.
Author: Lira Sagynbekova Publisher: Springer ISBN: 3319269917 Category : Science Languages : en Pages : 306
Book Description
This book comprises the historical overview of migration processes in Kyrgyzstan, contemporary migration trends in international migration and various social, economic and political impacts of migration. It presents the findings of longstanding, in-depth, comprehensive and empirical research. Insights are maximized by applying the multi-sited strategy of analyzing both the migrant's place of origin and that of destination. The primary goal of the book is to contribute to a better understanding of the meanings and the impacts of contemporary international migration processes in Kyrgyzstan and their relevance for local livelihoods.
Author: Samir Mekid Publisher: John Wiley & Sons ISBN: 1119721733 Category : Technology & Engineering Languages : en Pages : 404
Book Description
Metrology and Instrumentation: Practical Applications for Engineering and Manufacturing provides students and professionals with an accessible foundation in the metrology techniques, instruments, and governing standards used in mechanical engineering and manufacturing. The book opens with an overview of metrology units and scale, then moves on to explain topics such as sources of error, calibration systems, uncertainty, and dimensional, mechanical, and thermodynamic measurement systems. A chapter on tolerance stack-ups covers GD&T, ASME Y14.5-2018, and the ISO standard for general tolerances, while a chapter on digital measurements connects metrology to newer, Industry 4.0 applications.
Author: P.-E. Lippens Publisher: Springer Science & Business Media ISBN: 3540498532 Category : Science Languages : en Pages : 642
Book Description
This book provides an up-to-date overview of the Mössbauer effect in physics, chemistry, electrochemistry, catalysis, biology, medicine, geology, mineralogy, archaeology and materials science. Coverage details the most recent developments of the technique especially in the fields of nanoparticles, thin films, surfaces, interfaces, magnetism, experimentation, theory, medical and industrial applications and Mars exploration.
Author: Great Britain: Parliament: House of Commons: Culture, Media and Sport Committee Publisher: The Stationery Office ISBN: 9780215043979 Category : Political Science Languages : en Pages : 302
Book Description
This report concentrates on the issue of whether witnesses have previously misled a select committee of the House of Commons over the extent and knowledge of phone-hacking. The Committee concludes that several individuals misled the Committee in 2009 and more recently, and that the News of the World and News International corporately misled the Committee about the true nature and extent of the internal investigations they carried out into phone-hacking, made statements that were not fully truthful, and withheld documents. The companies' directors - including Rupert Murdoch and James Murdoch - should be prepared to take responsibility for these failings. The Committee reports its findings for the House of Commons to decide whether a contempt has been committed and, if so, what punishment should be imposed.
Author: Joanna Pares Hoare Publisher: BRILL ISBN: 9004461396 Category : History Languages : en Pages : 288
Book Description
Gender, Activism, and International Development Intervention in Kyrgyzstan draws on feminist critiques and ethnographic data to interrogate how development has been implemented in Kyrgyzstan since 1991.
Author: Ivor Goodson Publisher: Routledge ISBN: 1317665708 Category : Education Languages : en Pages : 875
Book Description
In recent decades, there has been a substantial turn towards narrative and life history study. The embrace of narrative and life history work has accompanied the move to postmodernism and post-structuralism across a wide range of disciplines: sociological studies, gender studies, cultural studies, social history; literary theory; and, most recently, psychology. Written by leading international scholars from the main contributing perspectives and disciplines, The Routledge International Handbook on Narrative and Life History seeks to capture the range and scope as well as the considerable complexity of the field of narrative study and life history work by situating these fields of study within the historical and contemporary context. Topics covered include: • The historical emergences of life history and narrative study • Techniques for conducting life history and narrative study • Identity and politics • Generational history • Social and psycho-social approaches to narrative history With chapters from expert contributors, this volume will prove a comprehensive and authoritative resource to students, researchers and educators interested in narrative theory, analysis and interpretation.
Author: Randy Pausch Publisher: ISBN: 9780340978504 Category : Cancer Languages : en Pages : 0
Book Description
The author, a computer science professor diagnosed with terminal cancer, explores his life, the lessons that he has learned, how he has worked to achieve his childhood dreams, and the effect of his diagnosis on him and his family.
Author: Robbie Love Publisher: Routledge ISBN: 0429771096 Category : Language Arts & Disciplines Languages : en Pages : 176
Book Description
This volume offers a critical examination of the construction of the Spoken British National Corpus 2014 (Spoken BNC2014) and points the way forward toward a more informed understanding of corpus linguistic methodology more broadly. The book begins by situating the creation of this second corpus, a compilation of new, publicly-accessible Spoken British English from the 2010s, within the context of the first, created in 1994, talking through the need to balance backward capability and optimal practice for today’s users. Chapters subsequently use the Spoken BNC2014 as a focal point around which to discuss the various considerations taken into account in corpus construction, including design, data collection, transcription, and annotation. The volume concludes by reflecting on the successes and limitations of the project, as well as the broader utility of the corpus in linguistic research, both in current examples and future possibilities. This exciting new contribution to the literature on linguistic methodology is a valuable resource for students and researchers in corpus linguistics, applied linguistics, and English language teaching.
Author: N.S. Gajbhiye
Author: N.S. Gajbhiye
Author: Lotfia M. El Nadi
Author: Lira Sagynbekova
Author: Samir Mekid
Author: P.-E. Lippens
Author: Great Britain: Parliament: House of Commons: Culture, Media and Sport Committee
Author: Joanna Pares Hoare
Author: Ivor Goodson
Author: Randy Pausch
Author: Robbie Love