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Self Lubricating Composites Of Porous Nickel And Nickel Chromium Alloy Impregnated With Barium Fluoride Calcium Flouride Eutectic
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Book Synopsis Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated with Barium Fluoride-calcium Fluoride Eutectic by : Harold E. Sliney
Download or read book Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated with Barium Fluoride-calcium Fluoride Eutectic written by Harold E. Sliney and published by . This book was released on 1966 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Self-lubricating composites were prepared by vacuum-impregnating porous nickel or Inconel X-750 (nickel-chromium alloy) with a barium fluoride - calcium fluoride eutectic composition. Density measurements and photomicrographs of the resulting composite structures demonstrated that this process completely filled the voids of the porous metals with the fluoride eutectic. The compressive yield strength of the nickel composites was quite low (about 30 000 psi); therefore, in order to avoid severe plastic deformation during the friction and wear experiments, it was necessary to employ moderate contact stresses. However, alloy composites were comparatively resistant to plastic deformation; the compressive yield strength was 78 000 pounds per square inch or about 75 percent of the strength of the age-hardened alloy in the dense, wrought form. The air at moderate contact stresses, the friction and wear properties of nickel composites were only slightly inferior to those of the alloy composites. Oxidation of nickel composites becomes serious at 12000 F, however, and limits the usefulness of this material in air to a maximum temperature of about 11000 F. The corresponding temperature limitation of the alloy composites in air was about 1350 F. In a hydrogen atmosphere, the alloy composites performed satisfactorily to 15000 F and may be suitable to somewhat higher temperatures. The frictional properties of the composites were significantly improved by the application of a thin, sintered coating of the eutectic fluoride to the bearing surfaces of the composites.
Book Synopsis Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated with Barium Fluoride - Calcium Flouride Eutectic by : Harold E. Sliney
Download or read book Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated with Barium Fluoride - Calcium Flouride Eutectic written by Harold E. Sliney and published by . This book was released on 1966 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated Wih Barium Fluoride-calcium Fluoride Eutectic by : Harold E. Sliney
Download or read book Self-lubricating Composites of Porous Nickel and Nickel-chromium Alloy Impregnated Wih Barium Fluoride-calcium Fluoride Eutectic written by Harold E. Sliney and published by . This book was released on 1966 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :262 pages Book Rating :4.F/5 ( download)
Book Synopsis Lubrication, Corrosion and Wear by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book Lubrication, Corrosion and Wear written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1974 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1969 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Technology Utilization Division Publisher : ISBN 13 : Total Pages :522 pages Book Rating :4.:/5 (31 download)
Book Synopsis AEC-NASA Tech Brief by : United States. National Aeronautics and Space Administration. Technology Utilization Division
Download or read book AEC-NASA Tech Brief written by United States. National Aeronautics and Space Administration. Technology Utilization Division and published by . This book was released on 1967 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Technology Utilization Division Publisher : ISBN 13 : Total Pages :822 pages Book Rating :4.3/5 (91 download)
Book Synopsis NASA Tech Brief by : United States. National Aeronautics and Space Administration. Technology Utilization Division
Download or read book NASA Tech Brief written by United States. National Aeronautics and Space Administration. Technology Utilization Division and published by . This book was released on 1967 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1966-08 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1966 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :260 pages Book Rating :4.0/5 ( download)
Book Synopsis Lubrication, Corrosion and Wear by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book Lubrication, Corrosion and Wear written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1966 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
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 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Calcium Fluoride-lithium Fluoride Solid Lubricant Coating for Cages of Ball Bearings to be Used in Liquid Fluorine by : Harold E. Sliney
Download or read book A Calcium Fluoride-lithium Fluoride Solid Lubricant Coating for Cages of Ball Bearings to be Used in Liquid Fluorine written by Harold E. Sliney and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Self-lubricating Plasma-sprayed Composites for Sliding-contact Bearings to 900 ̊C by : Harold E. Sliney
Download or read book Self-lubricating Plasma-sprayed Composites for Sliding-contact Bearings to 900 ̊C written by Harold E. Sliney and published by . This book was released on 1974 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma-sprayed composites which have good oxidation-resistance and self-lubricating characteristics to 900 C were developed. The composites are a Nichrome matrix containing dispersed glass for oxidation protection and calcium fluoride for lubrication. They are applied to bearing surfaces in layers about 0.050 cm thick by plasma-spraying; the layers are then machined to a thickness of 0.025 cm. Oscillating bearing tests were performed in air to 900 C at unit radial loads up to 3.5 times 10 to the 7th power Newtons per square meter (5000 psi) and a thrust load of 1960 Newtons (440 lb). Bearings with a composite liner in the bore were in good condition after over 50,000 oscillating cycles accumulated during repeated bearing temperature cycles between 25 and 900 C.
Book Synopsis Lubrication, Corrosion and Wear. A Continuing Bibliography with Indexes by :
Download or read book Lubrication, Corrosion and Wear. A Continuing Bibliography with Indexes written by and published by . This book was released on 1968 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solid Lubricants by : M. E. Campbell
Download or read book Solid Lubricants written by M. E. Campbell and published by . This book was released on 1972 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Major NASA research and NASA-sponsored research in solid-film lubricants are reviewed and various aspects of solid lubrication are discussed including: lubricating solids, bonded lubricants, new developments, methods of evaluation, environmental effects, application methods, novel materials, and designs for the use of solid lubricants. The appendices deal with solid lubricant specifications and contact stresses imposed on specimens in three types of test machines."--Foreword.
Book Synopsis Solid Lubricants: A Survey by : M. E. Campbell
Download or read book Solid Lubricants: A Survey written by M. E. Campbell and published by . This book was released on 1972 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
