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Investigation Of Delayed Cracking Phenomenon In Hydrogenated Unalloyed Titanium
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Book Synopsis Investigation of Delayed-cracking Phenomenon in Hydrogenated Unalloyed Titanium by : R. A. Wood
Download or read book Investigation of Delayed-cracking Phenomenon in Hydrogenated Unalloyed Titanium written by R. A. Wood and published by . This book was released on 1961 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three grades of unalloyed titanium were studied to determine the effect of variations in O and N contents on delayed cracking. The bar stock was analyzed for interstitial content, then vacuum annealed to remove most of the H. Large samples of the 1/2-in.-diam vaccum-annealed stock were subsequently hydrogenated to about 90 and 160 ppm H levels. Hydrogen-induced strainaging embrittlement at ambient temperatures in interstitial-containing alphi Ti was not indicated by the results of stress-rupture tests. The results indicate that strain-aging embrittlement does not occur in unalloyed Ti having up to 0.38 wt-% O with as much as 160 ppm H content. However, a noticable effect of H on notch sensitivity of the materials, in the alpha-annealed and especially in the beta-annealed conditions, was observed. It appears probable that H was concentrated in the critical areas by a thermaldiffusion process to create an ultrasensitive zone. Failure might have occurred subsequently as a result of simple overstressing, or by accidentally applied impact stresses, or by a more complicated low-cycle fatigue mechanism. (Author).
Book Synopsis Electron-beam Welding of Tungsten by : R. E. Monroe
Download or read book Electron-beam Welding of Tungsten written by R. E. Monroe and published by . This book was released on 1962 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reported progress on the electron-beam welding of commercially pure W indicates that sound crack-free welds can be made if the weld is not restrained during welding. Although the data are not all consistent, welds which are smooth and have minimum fusion and heat-affected zone width should be the strongest and most ductile. Tensile strengths are equivalent to the base metal near the recrystallization temperature but are appreciably lower at room temperature. The ductile-to-brittle transition temperatures for electron-beam-welded tungsten are above that of the base metal. The impact resistance of electron-beam-welded tungsten is very low. Electron-beam welding of tungsten parts should be thoroughly evaluated on production prototypes before specifying its use. (Author).
Book Synopsis Electron Microscopic Fractography by : W. R. Warke
Download or read book Electron Microscopic Fractography written by W. R. Warke and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Recent Developments in the Technology of Molybdenum and Molybdenum-base Alloys by : J. A. Houck
Download or read book Review of Recent Developments in the Technology of Molybdenum and Molybdenum-base Alloys written by J. A. Houck and published by . This book was released on 1961 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Recent Developments in the Technology of High-strength Stainless Steels by : D. A. Roberts
Download or read book Review of Recent Developments in the Technology of High-strength Stainless Steels written by D. A. Roberts and published by . This book was released on 1961 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and development in the field of high-strength stainless steels appears to be directed along two principal paths: (1) the development of alloys with improved strength properties and (2) the accumulation of information on the properties and physical metallurgy of existing alloys so that they may be used more effectively. By and large, the development of new alloys is being carried out by the stainless-steel producers, while the accumulation of property data for the most part is being undertaken on Government contracts. (Author).
Book Synopsis Magnesium-lithium Alloys by : Paul D. Frost
Download or read book Magnesium-lithium Alloys written by Paul D. Frost and published by . This book was released on 1962 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief review is presented of progress in the development of Mg-Li-base alloys. By virtue of the Li, which has a specific gravity of 0.53, they have lower densities than any commercial Mg alloy. Li markedly improves the ductility and workability of magnesium. Since they have approximately the same modulus of elasticity as Mg alloys, about 6.5 million psi, the alloys have a high ratio of elastic modulus to weight, making possible rigid, light structures. No Mg-Li alloys are in commercial production. (Author).
Book Synopsis Summary of the Second and Third Technical Briefings on Refractory Metal Alloy Structural Fasteners by : W. S. Hyler
Download or read book Summary of the Second and Third Technical Briefings on Refractory Metal Alloy Structural Fasteners written by W. S. Hyler and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Recent Developments in the Technology of Tungsten by : Vincent David Barth
Download or read book Review of Recent Developments in the Technology of Tungsten written by Vincent David Barth and published by . This book was released on 1961 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reactivity of Metals with Liquid and Gaseous Oxygen by : John David Jackson
Download or read book Reactivity of Metals with Liquid and Gaseous Oxygen written by John David Jackson and published by . This book was released on 1963 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Discussion of the Fracture Toughness of Several Stainless Steels in Sheet Form by : F. J. Barone
Download or read book A Discussion of the Fracture Toughness of Several Stainless Steels in Sheet Form written by F. J. Barone and published by . This book was released on 1963 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Emittance of Ceramics and Graphites by : W. D. Wood
Download or read book The Emittance of Ceramics and Graphites written by W. D. Wood and published by . This book was released on 1962 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Recent Developments in Metals Joining by : J. J. Vagi
Download or read book Review of Recent Developments in Metals Joining written by J. J. Vagi and published by . This book was released on 1961 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Metals joining Materials Refractory metals Plasma welding of refractory metals Processes Explosive welding Electroslag welding equipment Adhesive bonding.
Book Synopsis Classification of DMIC Reports and Memoranda by Major Subject by :
Download or read book Classification of DMIC Reports and Memoranda by Major Subject written by and published by . This book was released on 1964 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: To aid in quick identification and easy location of specific technical data and information in the various reports and memoranda which have been prepared and distributed by the Defense Metals Information Center, as well as by DMIC's forerunner, the Titanium Metallurgical Laboratory, a classification by major subject matter was prepared. The classification covers reports through DMIC Report 193 and memoranda through DMIC Memorandum 183. (Author).
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1961 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to DMIC Reports and Memoranda by : Battelle Memorial Institute. Defense Metals Information Center
Download or read book Index to DMIC Reports and Memoranda written by Battelle Memorial Institute. Defense Metals Information Center and published by . This book was released on 1968 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1961-10 with total page 1540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Recent Developments in the Evaluation of Special Metal Properties by : James Edward Campbell
Download or read book Review of Recent Developments in the Evaluation of Special Metal Properties written by James Edward Campbell and published by . This book was released on 1961 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief review is presented of techniques for special testing of materials, test results and sources of information on special testing procedures. Test data on tensile properties are presented for sheet Al and Ti alloys and for AISI 31O stainless steel to -423F. A paper on the compression testing of sheet at elevated temperatures with compression testing jigs and associated techniques is discussed briefly as well as a report on burst tests on deep-drawn pressure vessels.
