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Book Alloy Softening in Group VIA Metals Alloyed with Rhenium

Download or read book Alloy Softening in Group VIA Metals Alloyed with Rhenium written by Joseph R. Stephens and published by . This book was released on 1970 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted to determine the effect of temperature and composition on alloy softening in group VIA metals Cr, Mo, and W alloyed with Re. Results showed that alloy softening was similar in all three alloy systems occurring at homologous temperatures less than 0.16 and at Re concentrations less than 16 atom percent. Rhenium content required to produce a hardness minimum diminished rapidly in all three systems with increasing test temperature. The similarities in hardness behavior in these three alloy systems suggesat common softening mechanism which may arise from lowering the Peierls stress.

Book NASA Technical Note

    Book Details:
  • Author :
  • Publisher :
  • Release : 1975
  • ISBN :
  • Pages : 418 pages

Download or read book NASA Technical Note written by and published by . This book was released on 1975 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Metallic Transfer Between Metals in Sliding Contact Examined by Auger Emission Spectroscopy

Download or read book Metallic Transfer Between Metals in Sliding Contact Examined by Auger Emission Spectroscopy written by Stephen V. Pepper and published by . This book was released on 1972 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallic transfer between polycrystalline metals in sliding contact was examined. Hemispherical riders of iron, nickel, and cobalt were slid on tungsten, tantalum, niobium, and molybdenum disks in ultrahigh vacuum. Auger emission spectroscopy was used to monitor the elemental composition of the disk surfaces. Iron, nickel, and cobalt transferred to tungsten, whereas only cobalt transferred to tantalum, niobium, and molybdenum. The results of this investigation are discussed in terms of the cohesive energy and strain hardening characteristics of the specimen materials.

Book Monthly Catalog of United States Government Publications

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 1971 with total page 1292 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.

Book Monthly Catalog of United States Government Publications  Cumulative Index

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 1976 with total page 1408 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Auger Electron Spectroscopy

    Book Details:
  • Author : Donald T. Hawkins
  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • ISBN : 1468413872
  • Pages : 305 pages

Download or read book Auger Electron Spectroscopy written by Donald T. Hawkins and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Auger electron spectroscopy is rapidly developing into the single most powerful analytical technique in basic and applied science.for investigating the chemical and structural properties of solids. Its ex plosive growth beginning in 1967 was triggered by the development of Auger analyzers capable of de tecting one atom layer of material in a fraction of a second. Continued growth was guaranteed firstly by the commercial availability of apparatus which combined the capabilities of scanning electron mi croscopy and ion-mill depth profiling with Auger analysis, and secondly by the increasing need to know the atomistics of many processes in fundamental research and engineering applications. The expanding use of Auger analysis was accompanied by an increase in the number of publications dealing with it. Because of the developing nature of Auger spectroscopy, the articles have appeared in many different sources covering diverse disciplines, so that it is extremely difficult to discover just what has or has not been subjected to Auger analysis. In this situation, a comprehensive bibliography is obviou-sly useful to those both inside and outside the field. For those in the field, this bibliography should be a wonderful time saver for locating certain references, in researching a particular topic, or when considering various aspects of instrumentation or data analysis. This bibliography not only provides the most complete listing of references pertinent to surface Auger analysis available today, but it is also a basis for extrapolating from past trends to future expectations.

Book NASA Technical Paper

Download or read book NASA Technical Paper written by and published by . This book was released on 1979 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Applied Mechanics Reviews

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1973 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book NASA Technical Paper

    Book Details:
  • Author : United States. National Aeronautics and Space Administration
  • Publisher :
  • Release : 1979
  • ISBN :
  • Pages : 656 pages

Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1979 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Scientific and Technical Aerospace Reports

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1987 with total page 1390 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.

Book Adhesive Chemistry

    Book Details:
  • Author : Lieng-Huang Lee
  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • ISBN : 1461324351
  • Pages : 847 pages

Download or read book Adhesive Chemistry written by Lieng-Huang Lee and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first symposium on Recent Advances in Adhesion, held September, 1971 in Washington, D. C. , this Division of the American Chemical Society has continuously sponsored several symposia on adhesion and adhesives. The chemists have gradually realized the importance of adhesion in various fields of science and technology. During these years, the science of adhesion has steadily grown along with progress in surface science and fracture mechanics. Moreover, new adhesives have been invented and applied in actual structures, for example, structural and aerospace adhesives. In response to socio-economic demands, new forms of adhesives have been introduced to combat the problems of pollution and to promote energy-conservation. The developments of hot-melt adhesives, waterborne adhesives, and radiation-curable adhesives are vivid examples of successes in solving some of the problems. As chemists, our hatural desire is to understand how those new adhesives and new forms of adhesives are made. Thus, we are interested in learning about the chemistry of adhesives so that we may create new generations of materials to satisfy future needs. It was based on this common interest that w~ set forth to org'anize this Symposium on Recent Developments in Adhesive Chemistry. It was held from March 21 through 23, 1983 in the Westin Hotel, Seattle, Washington. The Symposium was very well attended. As a matter of fact, for the first two sessions, we had to move from the smaller Mt. St.

Book Elemental Analysis of a Friction and Wear Surface During Sliding Using Auger Spectroscopy

Download or read book Elemental Analysis of a Friction and Wear Surface During Sliding Using Auger Spectroscopy written by Donald H. Buckley and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Friction and wear apparatus incorporating Auger cylindrical mirror spectrometer.

Book Preliminary Studies by Field Ion Microscopy of Adhesion of Platinum and Gold to Tungsten and Iridium

Download or read book Preliminary Studies by Field Ion Microscopy of Adhesion of Platinum and Gold to Tungsten and Iridium written by William A. Brainard and published by . This book was released on 1971 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adhesion experiments with platinum and gold contacting tungsten and iridium field-ionmicroscope emitter tips were conducted in vacuum. Platinum contacting tungsten at 300 K showed an ordered surface believed to represent mechanical transfer of the platinum onto the tungsten in an ordered manner. Gold contacting tungsten at 78 K showed essentially a random transfer with some clustering of gold atoms. God transferred onto iridium by contacting at 78 K presented an ordered appearance due to decoration of ledge sites by the gold atoms. Iridium contacted by platinum showed a highly ordered surface believed to be epitaxial transfer of platinum on the surface. Contacting iridium with platinum without vibration isolation caused large globs of platinum to transfer onto iridium in an ordered manner.