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Effects Of Wear Metal On Lubricant Deposition
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Book Synopsis Effects of Wear Metal on Lubricant Deposition by : John C. Tyler
Download or read book Effects of Wear Metal on Lubricant Deposition written by John C. Tyler and published by . This book was released on 1983 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of wear metal on deposit forming characteristics of turbine engine lubricants were investigated, employing hot-wall deposition test rigs. The hot-wall section of the rigs was redesigned, fabricated and assembled for testing. A recently designed wear-metal generator was employed. Eight MIL-L-7808 or MIL-L-7808-type lubricants were evaluated under five different test conditions. Then a brief statistical analysis was performed to determine the micronic filtration tests to be performed in a mitigation of wear-metal effects phase of the effort. Also, the effects on both kinematic viscosity and neutralization number of the test lubricants were determined. A direct calculation of wear-metal generation was provided by weight-loss measurements of the wear coupons mounted below the lubricant level in the sump. Also, the concentration of wear metals in samples of the test lubricants taken during testing was determined by atomic absorption spectrophotometer. The energy dispersive X-ray fluorescence technique was employed to determine trace elements in hot-wall deposit scrapings. The preliminary statistical analysis for all eight lubricants consisted of a one-way analysis of variance, then an analysis of covariance using an adjustment for wear, and finally an unadjusted analysis of variance.
Book Synopsis Hot-Wall Deposition Test Results on the Effect of Wear Metal by : J. P. Cuellar
Download or read book Hot-Wall Deposition Test Results on the Effect of Wear Metal written by J. P. Cuellar and published by . This book was released on 1974 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: A continuing investigation of the deposition characteristics of synthetic ester-base lubricants, as typified by Military Specifications MIL-L-7808 and MIL-L-23699, led to the discovery of the presence of appreciable metal (iron) content in the deposits recovered from the conventional bearing depositon tests and full-scale engine tests. Accordingly, a special test method was utilized to study the effect of wear metal generation on deposit ratings. The concentration of iron in the test lubricant and in the principal deposits was monitored by atomic absorption spectroscopy. A direct indication of the extent of wear metal generation was provided by weight loss measurements of spring-loaded mild steel wear plates mounted within the test-lubricant sump. Significant deposit rating increases were found in many instances, dependent upon the test lubricant and mangitude of wear. It is concluded that a knowledge of the inherent wear process is imperative in any definitive study of lubricant depositon. (Author).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1134 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:
Book Synopsis Effects of Micronic Filtration on Turbine Engine Lubricant Deposition by : John C. Tyler
Download or read book Effects of Micronic Filtration on Turbine Engine Lubricant Deposition written by John C. Tyler and published by . This book was released on 1983 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of micronic filtration on deposit forming characteristics of turbine engine lubricants were investigated, employing a hot-wall deposition test rig. The test-oil sump of the rig was modified with a wear-metal generator and for filtration tests, a filter housing was installed in the test lubricant pressure line. Without filtration, 15 micron filtration and 3 micron filtration test were performed. Ten MIL-L-7808 or MIL-L-7808 type lubricants were evaluated under six different test conditions. Accordingly, a special test method was used to study the effect of micronic filtration on deposition of the lubricants both with mil steel wear generation and without wear generation. Also, the effects on both kinematic viscosity and neutralization number of the test lubricants were determined and are presented. A direct calculation of wear-metal generation was provided by weight-loss measurements of the mild-steel wear coupons mounted below the lubricant level in the sump. Also, the concentration of iron in samples of the test lubricants taken during testing was determined by energy dispersive X-ray fluorescence and these results are presented and discussed. A statistical analysis of the three response variables, namely deposit rating, viscosity increase and neutralization number change, by analysis of covariance was performed.
Download or read book NBS Special Publication written by and published by . This book was released on 1980 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1984 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Metals on the Thermal and Oxidative Stability of Lubricants at Elevated Temperatures by : Donald C. Trop
Download or read book Effect of Metals on the Thermal and Oxidative Stability of Lubricants at Elevated Temperatures written by Donald C. Trop and published by . This book was released on 1961 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Silicone, silane, and mineral oil lubraicating fluids were studied at 700 degrees F under inert and oxidizing atmospheres while in the presence of various individual metals. Physical and chemical changes in the fluids and metals were noted. Fluids studied were two (2) methyl chlorophenyl silicones, a methyl phenyl silicone, a hydrogentaed mineral oil and a silane. Metals used included magnesium, titanium, aluminum, silver, copper brass, bronze, monel steel, stainless steel, copper-beryllium steel, vanadium tool steel, chrome plated steel, cast iron and chrome-molybdenum steel. The siland fluid was the least affected fluid and was alsothe most compatible fluid with metals"--P. iii.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1971 with total page 2174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ASM Specialty Handbook by : Joseph R. Davis
Download or read book ASM Specialty Handbook written by Joseph R. Davis and published by ASM International. This book was released on 1995-01-01 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you are involved with machining or metalworking or you specify materials for industrial components, this book is an absolute must. It gives you detailed and comprehensive information about the selection, processing, and properties of materials for machining and metalworking applications. They include wrought and powder metallurgy tool steels, cobalt base alloys, cemented carbides, cermets, ceramics, and ultra-hard materials. You'll find specific guidelines for optimizing machining productivity through the proper selection of cutting tool materials plus expanded coverage on the use of coatings to extend cutting tool and die life. There is also valuable information on alternative heat treatments for improving the toughness of tool and die steels. All new material on the correlation of heat treatment microstructures and properties of tool steels is supplemented with dozens of photomicrographs. Information on special tooling considerations for demanding applications such as isothermal forging, die casting of metal matrix composites, and molding of corrosive plastics is also included. And you'll learn about alternatives to ferrous materials for metalworking applications such as carbides, cermets, ceramics, and nonferrous metals like aluminum, nickel, and copper base alloys.
Book Synopsis Engineering Tribology by : Gwidon W. Stachowiak
Download or read book Engineering Tribology written by Gwidon W. Stachowiak and published by Elsevier. This book was released on 2001 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanisms of wear, friction and lubrication are comprehensively described in an accessible manner that is designed to be helpful to non-specialists. The control of wear is given extensive treatment with a thorough discussion of lubricant additives, solid lubricants and surface coatings. The effectiveness of coatings in suppressing specific forms of wear is described together with the methods of coating deposition. More than 1000 references are provided to give the reader access to more specialized information if required.
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1984 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Joint Conference on Measurements and Standards for Recycled Oil/Systems Performance and Durability by : Donald A. Becker
Download or read book Joint Conference on Measurements and Standards for Recycled Oil/Systems Performance and Durability written by Donald A. Becker and published by . This book was released on 1980 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Micro and Nano Sulfide Solid Lubrication by : Haidou Wang
Download or read book Micro and Nano Sulfide Solid Lubrication written by Haidou Wang and published by Springer Science & Business Media. This book was released on 2013-02-01 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Micro and Nano Sulfide Solid Lubrication" covers the basic principles of sulfide solid lubrication, which is an important field of tribology, an effective means of reducing friction and wear on machine parts, and is closely related to the broader problem of saving energy and materials. This book discusses the low-temperature sulfuration technology which was first developed in China, as well as the two-step methods for preparing various sulfide lubrication films (coatings) created by the authors, which are described in detail. This book is intended for researchers in the fields of tribology, materials science, mechanical design, and structural design. Dr. Haidou Wang and Binshi Xu are both professors at the National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, China; Jiajun Liu is a professor at the Department of Mechanical Engineering, Tsinghua University, China.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1984 with total page 1176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
Book Synopsis Aerospace Materials Handbook by : Sam Zhang
Download or read book Aerospace Materials Handbook written by Sam Zhang and published by CRC Press. This book was released on 2016-04-19 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether an airplane or a space shuttle, a flying machine requires advanced materials to provide a strong, lightweight body and a powerful engine that functions at high temperature. The Aerospace Materials Handbook examines these materials, covering traditional superalloys as well as more recently developed light alloys. Capturing state-of-the-art d
