Download or read book Thermoelectric Bonding Study written by Abraham L. Eiss and published by . This book was released on 1966 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lead telluride thermoelectric elements have been used in most thermoelectric power generation devices built and proposed for construction in recent years because of their superior figure of merit in the 100 to 600 degrees C temperature range. For the same reason lead telluride is potentially attractive for several NASA applications. However, poor long term performance continues to limit the usefulness of this otherwise attractive material. The principal causes of thermoelement failures in the material include deterioration of the element to shoe bond and degradation of thermoelectric output because of composition changes within the element. This program had, as its objective, the study of the bonding process and the determination of the mechanism or mechanisms of bond failure in lead telluride thermoelectric elements. A secondary objective was the development of a satisfactory braze and shoe system for the material. It was preferred, but not required, that the selected materials be nonmagnetic. A systematic approach was applied to the selection and screening of potential braze and shoe materials for use with lead telluride. A literature survey reviewing work in bonding lead telluride at other installations was performed. This, plus analytical evaluation of available metallurgical data, led to the selection of a number of metals and alloys for use in the program. Although all materials of potential interest could not be studied, the group selected for evaluation is considered representative. Preliminary screening was accomplished by carrying out wettability tests and accelerated poison effects tests. The first of these measured the ability of the braze materials to flow on and adhere to the surface of lead telluride and the various shoe materials. The poison effects test qualitatively studied the probable effects of long time diffusion of braze and shoe materials into lead telluride.
Download or read book Thermoelectric Bonding Study written by Abrabam L. Eiss and published by . This book was released on 1966 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermoelectric Bonding Study written by M. Weinstein and published by . This book was released on 1965 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermoelectric Bonding Study written by Abrabam L. Eiss and published by . This book was released on 1966 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solids and Surfaces written by Roald Hoffmann and published by John Wiley & Sons. This book was released on 2021-01-29 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dieses einzigartige Buch läßt Chemie und Physik im festen Zustand und auf Oberflächen 'zusammentreffen'. In einer lebhaften und anschaulichen Weise bringt es Chemikern die Sprache bei, mit der sie die Elektronenstruktur ausgedehnter Systeme verstehen lernen können. Gleichzeitig zeigt es, wie auch von Seiten der Chemie Modelle über den festen Zustand sowie über Bindungen und Reaktivität von Oberflächen erstellt werden können. Das Buch bedient sich zunächst der Sprache von Kristallorbitalen, Bandstrukturen und Zustandsdichten. Danach stellt es die Werkzeuge bereit, mit denen der Leser weg von den stark delokalisierten Orbitalen des Festkörpers gelangt, darunter der Zerfall von Zustandsdichten und die Population von Kristallorbital-Overlaps. Mit diesen Werkzeugen schafft es der Autor, detaillierte quantenmechanische Berechnungen mit der chemischen Betrachtungsweise mit Grenzorbitalen zu verknüpfen. Die beschriebenen Anwendungen umfassen eine allgemeine Vorstellung der Chemisorption, Bindungsbildung und -zerfall im festen Zustand, Bindungen im Metall, die Elektronenstruktur ausgewählter leitender und supraleitender Verbindungen sowie die für die Deformation ausgedehnter Systeme verantwortlichen Kräfte.
Download or read book Final Letter Report on Thermoelectric Ice Bonding for Materials Handling written by United States Naval Supply Research and Development Facility and published by . This book was released on with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemistry Physics and Materials Science of Thermoelectric Materials written by M.G. Kanatzidis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume: Chemistry, Physics and Materials Science of Thermoelectric Materials: Beyond Bismuth Telluride contains a series of topical articles that were presented as invited lectures by prominent leaders in this field at a workshop held in Traverse City, Michigan in the summer of 2002. These articles place the state of the art, regarding design principles, candidate materials and systems and current advances in context and should serve as a useful source of insights into this field for both beginning students and practitioners alike.
Download or read book Advanced Thermoelectrics written by Zhifeng Ren and published by CRC Press. This book was released on 2017-11-06 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview on nanostructured thermoelectric materials and devices, covering fundamental concepts, synthesis techniques, device contacts and stability, and potential applications, especially in waste heat recovery and solar energy conversion. The contents focus on thermoelectric devices made from nanomaterials with high thermoelectric efficiency for use in large scale to generate megawatts electricity. Covers the latest discoveries, methods, technologies in materials, contacts, modules, and systems for thermoelectricity. Addresses practical details of how to improve the efficiency and power output of a generator by optimizing contacts and electrical conductivity. Gives tips on how to realize a realistic and usable device or module with attention to large scale industry synthesis and product development. Prof. Zhifeng Ren is M. D. Anderson Professor in the Department of Physics and the Texas Center for Superconductivity at the University of Houston. Prof. Yucheng Lan is an associate professor in Morgan State University. Prof. Qinyong Zhang is a professor in the Center for Advanced Materials and Energy at Xihua University of China.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1966 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book NASA Technical Note written by United States. National Aeronautics and Space Administration and published by . This book was released on 1959 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1966-07 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermoelectric Materials and Devices written by Lidong Chen and published by Elsevier. This book was released on 2020-09-25 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermoelectric Materials and Devices summarizes the latest research achievements over the past 20 years of thermoelectric material and devices, most notably including new theory and strategies of thermoelectric materials design and the new technology of device integration. The book's author has provided a bridge between the knowledge of basic physical/chemical principles and the fabrication technology of thermoelectric materials and devices, providing readers with research and development strategies for high performance thermoelectric materials and devices. It will be a vital resource for graduate students, researchers and technologists working in the field of energy conversion and the development of thermoelectric devices. - Discusses the new theory and methods of thermoelectric materials design - Combines scientific principles, along with synthesis and fabrication technologies in thermoelectric materials - Presents the design optimization and interface technology for thermoelectric devices - Introduces thermoelectric polymers and organic-inorganic thermoelectric composites
Download or read book Government wide Index to Federal Research Development Reports written by and published by . This book was released on 1967-04 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Status Report on Thermoelectricity written by Naval Research Laboratory (U.S.) and published by . This book was released on 1963 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Use of the Electron Probe Microanalyzer in Materials Research and Development written by Lawrence Kobren and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electron probe microanalyzer, a versatile tool for the analysis of areas as small as one micron in diameter, has been used at Goddard Space Flight Center in applications ranging from materials research to analysis of failures in mechanical parts. Methods of using the probe and representative results obtained are illustrated by several examples that include bonding of thermoelectric materials, alloy development, and analysis of materials failure.
Download or read book Monthly Catalog of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1980 with total page 1284 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 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
