Download or read book Feasibility of Producing Dispersion Strengthened Chromium by Ball milling in Hydrogen Halides written by Alan Arias and published by . This book was released on 1968 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chromium, with and without 4 volume percent thoria, and nickel powders were ground to fine powder sizes by ball-milling in gaseous hydrogen halides. After reducing the milled chromium in flowing hydrogen under pulsating pressure at about 680 deg C submicron-size powders with 4 to 500 ppm residual halogens were obtained. The compacted chromium-thoria alloys had interparticle spacings ranging from 2. 1 to 6. 5 micrometers. After 100 hours at 1318 deg C the interparticle spacing of the 2. 1-micrometer alloy increased to 5.2 micrometers. Submicron-size chromium and nickel powders were also obtained by pulsating hydrogen reduction of their chlorides.

Download or read book NASA Technical Note written by and published by . This book was released on 1973 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Technical Memorandum written by and published by . This book was released on 1976 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book High Efficiency Silicon Solar Cell Review written by Lewis Research Center and published by . This book was released on 1975 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dispersion Strengthening of Metals written by Facundo Rolf Morral and published by . This book was released on 1977 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1969 with total page 1508 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.

Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1970 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

Download or read book A Selected Listing of NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1970 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Scientific and Technical Reports and Publications for 1969 A Selected Listing written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1970 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Oxide Dispersion Strengthened Nickel Produced by Nonreactive Milling written by Alan Arias and published by . This book was released on 1976 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Properties of Dispersion strengthened Chromium 4 volume percent thoria Alloys Produced by Ball Milling in Hydrogen Iodide written by Alan Arias and published by . This book was released on 1974 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Powder Metallurgy in Aerospace Research written by H. W. Blakeslee and published by . This book was released on 1971 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this document, one of a series dealing with specialized processes, the methodology and results of powder metallurgy are described so potential users can evaluate their worth in non-aerospace applications. This report discusses the various techniques by which powders can be produced, as pure metals or as alloys; it explains the methods by which these powders can be formed into the final parts, and further processing that may be necessary to meet the specific requirements spelled out by the user. The NASA developments are detailed, and references are provided for those who wish to obtain further information characteristic of any methodology. Compiled by experts associated with the Franklin Institute Research Laboratories, the document should be of value to manufacturing establishments, and to investigators in such areas as high strength, high temperature service, or the resistance of materials to cryogenic temperatures."--Foreword.

Download or read book NASA SP written by and published by . This book was released on 1971 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Metals Abstracts Index written by and published by . This book was released on 1970 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: