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Sunday, July 26, 2020 | History

3 edition of Infrared analysis of vapor phase deposited tricresylphophate (TCP) found in the catalog.

Infrared analysis of vapor phase deposited tricresylphophate (TCP)

Wilfredo Morales

Infrared analysis of vapor phase deposited tricresylphophate (TCP)

by Wilfredo Morales

  • 71 Want to read
  • 26 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Lubrication and lubricants.

  • Edition Notes

    StatementWilfredo Morales and Bengi Hanyaloglu and Earl E. Graham.
    SeriesNASA technical memorandum -- 106423.
    ContributionsHanyaloglu, Bengi., Graham, Earl E., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17681353M

    SMT- Vapor Phase Soldering: The Comeback Kid. Vapor phase soldering (VPS), also known as condensation soldering, has gone through changes in popularity. It was the process of choice in the early s, but its use declined considerably for two reasons: problems with the VPS process itself and improvements in IR processes. Lead-free Vapor Phase Soldering soldering as process of choice Increased Quality • Overheating is physically impossible • No cold solders due to determined heat transfer and absence of shadowing Reduced Cost • 1/5 direct Energy consumption • No Nitrogen due to inert vapor phase process • Reduced heat up of factory saving in air conditioning costFile Size: 2MB.

    This is indicated by shifts in energy and broadening of the peak at cm­1, which indicates sp3 ­hybridized carbon, and the presence of large broad peaks at cm­ 1 indicative of sp2 ­hybridized carbon. The sp2 ­hybridized carbon would be considered graphitic, and possibly disordered (19). Neopentyl Polyol Esters for Jet Engine Lubricants-Effect of Tricresyl Phosphate on Thermal Stability and Corrosivity R. L COTTINGTON AND H. RAVNER Surfaie Chemisft, Branch Chemist,, Lisin V Febru y j hw,4 NAVAL RESEARCH LABORATORY ThAs d&'aamt bes bu blkc whom mid ask, iua dWWtt si s uama &Cited by: 2.

    Vapor phase synonyms, Vapor phase pronunciation, Vapor phase translation, English dictionary definition of Vapor phase. n. 1. The gaseous state of a substance that is liquid or solid at room temperature. Experimental Analysis of SCR Spray Evolution and Sizing in High-Temperature and Flash Boiling Conditions. For SMT solder reflow, we offer. TOPICS: Optical engineering, Photonics, Defense and security, Infrared technology, Remote sensing, Video, Safety, Heart, Medicine Read Abstract + Editor-in-Chief Michael Eismann discusses changes occurring because of the COVID19 pandemic.


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Infrared analysis of vapor phase deposited tricresylphophate (TCP) by Wilfredo Morales Download PDF EPUB FB2

Infrared transmission was employed to study the formation of a lubricating film deposited on two different substrates at C. Infrared transmission was employed to study the formation of a lubricating film deposited on two different substrates at °C.

The deposit was formed from tricresylphosphate vapors and collected onto a NaC1 substrate and on an iron coated NaC1 substrate. Analysis of the infrared data suggests that a metal phosphate is formed initially, followed by the.

Infrared analysis of vapor phase deposited tricresylphosphate (TCP) (OCoLC) Print version: Morales, Wilfredo. Infrared analysis of vapor phase deposited tricresylphosphate (TCP) (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer.

Infrared analysis of vapor phase deposited tricresylphosphate (TCP) (OCoLC) Online version: Morales, Wilfredo.

Infrared analysis of vapor phase deposited tricresylphosphate (TCP) (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors. A number of commercially available flame-retardant fabrics were pyrolyzed under controlled co ditions and the yapor phase products identified by infrared spectroscopy.

The vapor-phase products obtained by sequential pyrolysis in increments of ° from ° to °C in a variety of atmospheres (air, vacuum, nitrogen) were c pared with those from a single °C pyrolysis under the same Cited by: 7.

Lubrication (tribology) education and research: a report on the present position and industry's needs. London: H.M.S.O Book, Author: Great Britain.

Department of Education and Science Infrared analysis of vapor phase deposited tricresylphophate (TCP) [microform] / Wilfredo Morales and Be. Vapor phase deposition was studied at temperatures ranging from °C to °C. This study was carried out to determine the mechanism of deposition of tricresyl phosphate (TCP) from the vapor phase on chromium-nickel alloy, hot pressed silicon carbide, and hot pressed silicon nitride substrates under different atmospheres including an inert carrier gas and an inert gas plus by: It is well known that the analysis of ultrathin films deposited on a metallic substrate by infrared reflection absorption spectroscopy (IRRAS) is readily realizable, thanks to the surface electric field enhancement.

Surface electric field anisotropy gives a selection rule that allows easy determination of the orientation of the molecular groups. Another large collection of vapor-phase reference spectra was measured by Infrared Analysis, Inc.

(IA) (QASoft Database). This library contains duplicate reference spectra of over compounds measured at nominal resolutions of cm 1 and1cm 1. The path-integrated concentration of ammonia was l mol mol 1 m (ppm-m). Nitrogen was. Order Number Infrared reflection-absorption spectroscopy of thin film structures Finke, Steven James, Ph.D.

Iowa State University, Author: Steven James Finke. Time dependence of the IR band intensity of the reaction product ( cm −1) which is estimated by averaging the infrared spectra over the continuous 6 spectra. Fig. 9 shows the time dependence of the intensity of the broad band estimated at cm −1 position over a long time friction by: The liquid oil lubrication system of current aircraft jet engines accounts for approximately 10–15 percent of the total weight of the engine.

It has long been a goal of the aircraft gas turbine industry to reduce this weight. Vapor-Phase Lubrication (VPL) is a promising technology to eliminate liquid oil by: Vapor phase lubrication of ceramics under sliding wear has been extended up to {degrees}C, using tricresyl phosphate as the vaporized lubricant.

Recently, chemical synthesis of a range of large nanographene molecules with various shapes and sizes opened a new path to utilize them in various applications and devices.

However, due to their extended aromatic cores and high molecular weight, film formation of large nanographene molecules, bearing more than 90 sp2 carbon atoms in aromatic cores, is very challenging, which has prevented Cited by: 6.

Introduction to Chemical Vapor Deposition (CVD) J. Creighton and P. Ho Sandia National Laboratories P.O. BoxMS Albuquerque, NM Introduction Chemical vapor deposition (CVD) is a widely used materials-processing technology.

The majority of its applications involve applying solid thin-film coatings to surfaces, but it is also. Plasma spray-physical vapor deposition (PS-PVD) is a low pressure plasma spray technology recently developed by Sulzer Metco AG (Switzerland) to deposit coatings out of the vapor phase.

PS-PVD is developed on the basis of the well established low pressure plasma spraying by: 8. In a two-part investigation, an experimental study and a kinetic model analysis of the initiated chemical vapor deposition (iCVD) of alkyl acrylate polymers are described.

In this first part, an experimental study was performed to look at the effect of process parameters on iCVD polymerization. A homologous series of alkyl acrylates, from ethyl up to hexyl acrylate, were iCVD by: Infrared spectroscopy exploits the fact that molecules absorb frequencies that are characteristic of their absorptions occur at resonant frequencies, i.e.

the frequency of the absorbed radiation matches the vibrational energies are affected by the shape of the molecular potential energy surfaces, the masses of the atoms, and the associated vibronic coupling. Search the catalogue for collection items held by the National Library of Australia New Search eResources User Lists Feedback Help Collection Delivery Times Visitor Update: COVID Ask a Librarian Due to the need to contain the spread of coronavirus (COVID) the Library building and reading rooms are closed to visitors until further notice.

Dong D, Irene EA, Young DR: Preparation and some properties of chemically vapor deposited Si-Rich SiO 2 and Si 3 N 4 films. J Electrochem Soc(5)– / Article; Google ScholarCited by:. The IR data originated from two sources, from the so-called "EPA Vapor-Phase IR Library" and from NIST laboratories.

The data have been sub-divided in two ways: 1) as concatenated JCAMP and SDF files (concatenated MOL-files) and 2) in individual files where each spectrum and structure is provided in a separate JCAMP and MOL file, using file. Vapor Phase Tribology for Advanced Diesel Engines Delivery of a lubricant as a vapor mixed with a carrier gas provides a method of controlling the delivery rate of the lubricant.

Temperatures in the range of to C are high enough to produce a lubricating film from tricresyl phosphate [TCP] vapor delivered in nitrogen as a carrier : E. E. Klaus, J. L.

Duda, G. S. Jeng, N. S. Makim, M. A. Groeneweg, M. A. Balnaves. We present the results of terahertz (THz) sensing of gasoline products. The frequency-dependent absorption coefficients, refractive indices, and complex dielectric constants of gasoline and xylene isomers were extracted in the spectral range from – THz.

The THz spectra of gasoline (#87, #89, #93) and related BTEX (benzene, toluene, ethylbenzene, and xylene) compounds were studied Cited by: