Preliminary Evaluation Of Greases For Space Mechanisms Using A Vacuum Spiral Orbit Tribometer

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Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer

Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781724066756
Total Pages : 26 pages
Book Rating : 4.0/5 (667 download)

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Book Synopsis Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer by : National Aeronautics and Space Adm Nasa

Download or read book Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-26 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most currently used greases for space applications are based on perfluoropolyalkylethers (PFPE) and multiply alkylated cyclopentane (MAC) oils. Evaluation of the greases includes outgassing properties, rheological behavior, and particularly the ability to create EHL films under conditions as close as possible to an actual application. A spiral orbit tribometer (SOT) has been developed to conduct accelerated tests under realistic conditions. The SOT was employed to evaluate two greases used in space mechanisms: a PFPE oil with polytetrafluoroethylene (PTFE) thickener, and a multiply alkylated cyclopentane oil with n-octadecylterephthalamate soap. The results from the greases are in agreement with results previously obtained with the base oils. Marchetti, Mario and Jones, William R., Jr. and Street, Kenneth W. and Pepper, Stephen V. and Jansen, Mark J. Glenn Research Center NASA/TM-2001-211157, E-13013, NAS 1.15:211157

Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer

Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer by :

Download or read book Preliminary Evaluation of Greases for Space Mechanisms Using a Vacuum Spiral Orbit Tribometer written by and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Lubrication and Tribology

Author : George E. Totten
Publisher : CRC Press
ISBN 13 : 1420003844
Total Pages : 1219 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Handbook of Lubrication and Tribology by : George E. Totten

Download or read book Handbook of Lubrication and Tribology written by George E. Totten and published by CRC Press. This book was released on 2006-04-06 with total page 1219 pages. Available in PDF, EPUB and Kindle. Book excerpt: When it was first published some two decades ago, the original Handbook of Lubrication and Tribology stood on technology's cutting-edge as the first comprehensive reference to assist the emerging science of tribology lubrication. Later, followed by Volume II, Theory and Design and Volume III, Monitoring, Materials, Synthetic Lubricants, and Ap

Tribological Performance of Some Pennzane(Registered Trademark) Based Greases for Vacuum Applications

Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Tribological Performance of Some Pennzane(Registered Trademark) Based Greases for Vacuum Applications by :

Download or read book Tribological Performance of Some Pennzane(Registered Trademark) Based Greases for Vacuum Applications written by and published by . This book was released on 2002 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Relative Lifetimes of Several Space Liquid Lubricants Using a Vacuum Spiral Orbit Tribometer (SOT)

Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Relative Lifetimes of Several Space Liquid Lubricants Using a Vacuum Spiral Orbit Tribometer (SOT) by :

Download or read book Relative Lifetimes of Several Space Liquid Lubricants Using a Vacuum Spiral Orbit Tribometer (SOT) written by and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Temperature and Material Combinations on Several Lubricants for Use in the Geostationary Operational Environmental Satellite (GOES) Mission Filter Wheel Bearings

Download Evaluation of Temperature and Material Combinations on Several Lubricants for Use in the Geostationary Operational Environmental Satellite (GOES) Mission Filter Wheel Bearings PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Evaluation of Temperature and Material Combinations on Several Lubricants for Use in the Geostationary Operational Environmental Satellite (GOES) Mission Filter Wheel Bearings by :

Download or read book Evaluation of Temperature and Material Combinations on Several Lubricants for Use in the Geostationary Operational Environmental Satellite (GOES) Mission Filter Wheel Bearings written by and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Preventing Spacecraft Failures Due to Tribological Problems

Author : Robert L. Fusaro
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Preventing Spacecraft Failures Due to Tribological Problems by : Robert L. Fusaro

Download or read book Preventing Spacecraft Failures Due to Tribological Problems written by Robert L. Fusaro and published by . This book was released on 2001 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance and Durability of High Temperature Foil Air Bearings for Oil-Free Turbomachinery

Author : C. DellaCorte
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Performance and Durability of High Temperature Foil Air Bearings for Oil-Free Turbomachinery by : C. DellaCorte

Download or read book Performance and Durability of High Temperature Foil Air Bearings for Oil-Free Turbomachinery written by C. DellaCorte and published by . This book was released on 2000 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance and durability of advanced, high temperature foil air bearings are evaluated under a wide range (10-50 kPa) of loads at temperatures from 25 to 650 deg C. The bearings are made from uncoated nickel based superalloy foils. The foil surface experiences sliding contact with the shaft during initial start/stop operation. To reduce friction and wear, the solid lubricant coating, PS 304, is applied to the shaft by plasma spraying. PS304 is a NiCr based Cr2O3 coating with silver and barium fluoride/calcium fluoride solid lubricant additions. The results show that the bearings provide lives well in excess of 30,000 cycles under all of the conditions tested. Several bearings exhibited lives in excess of 100,000 cycles. Wear is a linear function of the bearing load. The excellent performance measured in this study suggests that these bearings and the PS 304 coating are well suited for advanced high temperature, oil-free turbomachinery applications.

Space Materials Handbook

Author : Lockheed Missiles and Space Company
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Space Materials Handbook by : Lockheed Missiles and Space Company

Download or read book Space Materials Handbook written by Lockheed Missiles and Space Company and published by . This book was released on 1966 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Space Vehicle Mechanisms

Author : Peter L. Conley
Publisher : John Wiley & Sons
ISBN 13 : 9780471121411
Total Pages : 814 pages
Book Rating : 4.1/5 (214 download)

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Book Synopsis Space Vehicle Mechanisms by : Peter L. Conley

Download or read book Space Vehicle Mechanisms written by Peter L. Conley and published by John Wiley & Sons. This book was released on 1998-02-27 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt: Die Entwicklung von Weltraumfahrzeugen ist ein Industriezweig, der in den vergangenen drei Jahrzehnten beständig gewachsen ist. Heute ist es eine komplexe technische, internationale Branche. Dieses Buch vermittelt Informationen über alle Mechanismen von Weltraumfahrzeugen. Spitzenexperten auf diesem Gebiet, die in verschiedenen Disziplinen zu Hause sind, haben einen wichtigen Beitrag hierzu geleistet. Das Buch ist in drei Teile untergliedert: Grundlagen und technische Eigenschaften wichtiger Materialien; Entwicklung und Verhalten kritischer Komponenten und eine Einführung in Fahrzeugniveau-Analysen und Integrationstechniken. (01/98)

Friction Science and Technology

Author : Peter J. Blau
Publisher : CRC Press
ISBN 13 : 1420054104
Total Pages : 436 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Friction Science and Technology by : Peter J. Blau

Download or read book Friction Science and Technology written by Peter J. Blau and published by CRC Press. This book was released on 2008-10-20 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Should have broad appeal in many kinds of industry, ranging from automotive to computers-basically any organization concerned with products having moving parts!"-David A. Rigney, Materials Science and Engineering Department, Ohio State University, Columbus, USAIn-Depth Coverage of Frictional ConceptsFriction affects so many aspects of daily l

Physics and Chemistry of Interfaces

Author : Hans-Jürgen Butt
Publisher : John Wiley & Sons
ISBN 13 : 3527836160
Total Pages : 485 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Physics and Chemistry of Interfaces by : Hans-Jürgen Butt

Download or read book Physics and Chemistry of Interfaces written by Hans-Jürgen Butt and published by John Wiley & Sons. This book was released on 2023-02-07 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics and Chemistry of Interfaces Comprehensive textbook on the interdisciplinary field of interface science, fully updated with new content on wetting, spectroscopy, and coatings Physics and Chemistry of Interfaces provides a comprehensive introduction to the field of surface and interface science, focusing on essential concepts rather than specific details, and on intuitive understanding rather than convoluted math. Numerous high-end applications from surface technology, biotechnology, and microelectronics are included to illustrate and help readers easily comprehend basic concepts. The new edition contains an increased number of problems with detailed, worked solutions, making it ideal as a self-study resource. In topic coverage, the highly qualified authors take a balanced approach, discussing advanced interface phenomena in detail while remaining comprehensible. Chapter summaries with the most important equations, facts, and phenomena are included to aid the reader in information retention. A few of the sample topics included in Physics and Chemistry of Interfaces are as follows: Liquid surfaces, covering microscopic picture of a liquid surface, surface tension, the equation of Young and Laplace, and curved liquid surfaces Thermodynamics of interfaces, covering surface excess, internal energy and Helmholtz energy, equilibrium conditions, and interfacial excess energies Charged interfaces and the electric double layer, covering planar surfaces, the Grahame equation, and limitations of the Poisson-Boltzmann theory Surface forces, covering Van der Waals forces between molecules, macroscopic calculations, the Derjaguin approximation, and disjoining pressure Physics and Chemistry of Interfaces is a complete reference on the subject, aimed at advanced students (and their instructors) in physics, material science, chemistry, and engineering. Researchers requiring background knowledge on surface and interface science will also benefit from the accessible yet in-depth coverage of the text.

Handbook of Coil Winding

Author : Jürgen Hagedorn
Publisher : Springer
ISBN 13 : 3662544024
Total Pages : 303 pages
Book Rating : 4.6/5 (625 download)

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Book Synopsis Handbook of Coil Winding by : Jürgen Hagedorn

Download or read book Handbook of Coil Winding written by Jürgen Hagedorn and published by Springer. This book was released on 2017-07-24 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the current coil winding methods, their associated technologies and the associated automation techniques. From the introduction as a forming joining process, over the physical properties of coils, the semifinished products (wire, coil body, insulation) are introduced. In the process chain, different winding methods are used for magnet wire winding. Finally, the automation of these processes is described.

Proceedings of International Conference on Intelligent Manufacturing and Automation

Author : Hari Vasudevan
Publisher : Springer
ISBN 13 : 9811324905
Total Pages : 697 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Proceedings of International Conference on Intelligent Manufacturing and Automation by : Hari Vasudevan

Download or read book Proceedings of International Conference on Intelligent Manufacturing and Automation written by Hari Vasudevan and published by Springer. This book was released on 2018-11-04 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the outcomes of the International Conference on Intelligent Manufacturing and Automation (ICIMA 2018) organized by the Departments of Mechanical Engineering and Production Engineering at Dwarkadas J. Sanghvi College of Engineering, Mumbai, and the Indian Society of Manufacturing Engineers. It includes original research and the latest advances in the field, focusing on automation, mechatronics and robotics; CAD/CAM/CAE/CIM/FMS in manufacturing; product design and development; DFM/DFA/FMEA; MEMS and Nanotechnology; rapid prototyping; computational techniques; industrial engineering; manufacturing process management; modelling and optimization techniques; CRM, MRP and ERP; green, lean, agile and sustainable manufacturing; logistics and supply chain management; quality assurance and environment protection; advanced material processing and characterization; and composite and smart materials.

Chemistry and Technology of Lubricants

Author : R. M. Mortier
Publisher : Springer Science & Business Media
ISBN 13 : 1461535549
Total Pages : 318 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Chemistry and Technology of Lubricants by : R. M. Mortier

Download or read book Chemistry and Technology of Lubricants written by R. M. Mortier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use oflubricants began in ancient times and has developed into a major international business through the need to lubricate machines of increasing complexity. The impetus for lubricant development has arisen from need, so lubricatingpractice has precededan understandingofthescientificprinciples. This is not surprising as the scientific basis of the technology is, by nature, highly complex and interdisciplinary. However, we believe that the under standing of lubricant phenomena will continue to be developed at a mol ecular level to meet future challenges. These challenges will include the control of emissions from internal combustion engines, the reduction of friction and wear in machinery, and continuing improvements to lubricant performanceand life-time. More recently, there has been an increased understanding ofthe chemical aspects of lubrication, which has complemented the knowledge and under standing gained through studies dealing with physics and engineering. This book aims to bring together this chemical information and present it in a practical way. It is written by chemists who are authorities in the various specialisations within the lubricating industry, and is intended to be of interest to chemists who may already be working in the lubricating industry or in academia, and who are seeking a chemist's view of lubrication. It will also be of benefit to engineers and technologists familiar with the industry who requirea more fundamental understanding oflubricants.

Historic Scientific Instruments in Denmark

Author : Hemming Andersen
Publisher : Kgl. Danske Videnskabernes Selskab
ISBN 13 : 9788773042625
Total Pages : 472 pages
Book Rating : 4.0/5 (426 download)

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Book Synopsis Historic Scientific Instruments in Denmark by : Hemming Andersen

Download or read book Historic Scientific Instruments in Denmark written by Hemming Andersen and published by Kgl. Danske Videnskabernes Selskab. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Solid Lubrication Fundamentals and Applications

Author : Kazuhisa Miyoshi
Publisher : CRC Press
ISBN 13 : 9781420027068
Total Pages : 420 pages
Book Rating : 4.0/5 (27 download)

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Book Synopsis Solid Lubrication Fundamentals and Applications by : Kazuhisa Miyoshi

Download or read book Solid Lubrication Fundamentals and Applications written by Kazuhisa Miyoshi and published by CRC Press. This book was released on 2019-06-05 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid Lubrication Fundamentals and Applications description of the adhesion, friction, abrasion, and wear behavior of solid film lubricants and related tribological materials, including diamond and diamond-like solid films. The book details the properties of solid surfaces, clean surfaces, and contaminated surfaces as well as discussing the structu