Download or read book Recrystallization in Rolled Uranium Sheet written by Lowell T. Lloyd and published by . This book was released on 1962 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Recrystallization in Rolled Uranium Sheet Final Report Metallurgy Program 4 1 5 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray diffraction measurements of uranium sheet reduced 76% in thickness at room temperature and after annealing at various temperatures indicated that as- rolled and recrystallized materials have different preferred orientations, contrary to previously reported works. The preferred orientations of samples annealed at 380 and 400 deg C were very similar, but different from that of a set of samples annealed at 450 deg C. Reannealing at 450 deg C did not change essentially the preferred orientation established by annealing at 380 deg C. Dilatometric measurements in directions parallel and normal to the rolling direction and lying in the plane of rolling did not conclusively substantiate the x-ray diffraction measurements. Recrystallization at temperatures from 360 to 450 deg C of the homogeneously deformed as-rolled structure was characterized by the formation of extremely fine grains in the early stage which later were absorbed by growth of somewhat larger grains. Evidence of ordinary secondary recrystallization was observed in specimens annealed at 600 deg C. (auth).
Download or read book Recrystallization of Heavily Cold rolled Uranium Sheet written by W. R. Yario and published by . This book was released on 1959 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Changes in mean expansion coefficients upon annealing uranium sheet that had been rolled to 80% reduction in thickness at room temperature indicated that three different preferred orientations could be developed upon recrystallization. One preferred orientation, which is essentially the same as that of the as-rolled material, resulted from annealing for long times at 360 deg C or at a lower temperature; a second type was created by annealing for moderate times between 400 and 600 deg C; and the third accompanied grain coarsening at 650 deg C. The microstructures of the as-rolled and annealed specimens were extremely heterogeneous because of the large grain size present prior to final fabrication at room temperature. The as-rolled structures consisted of heavily deformed areas and smaller quantities of lightly deformed material. The annealing of the former was characterized by initial creation of very fine recrystallized grains which were absorbed later by discontinuous growth of larger grains. Lightly deformed areas, upon annealing, first exhibited recovery by polygonization and then underwent normal recrystallization.
Download or read book Recrystallation in Rolled Uranium Sheet written by Lowell T. Lloyd and published by . This book was released on 1962 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray diffraction measurements of uranium sheet reduced 76% in thickness at room temperature and after annealing at various temperatures indicated that as- rolled and recrystallized materials have different preferred orientations, contrary to previously reported works. The preferred orientations of samples annealed at 380 and 400 deg C were very similar, but different from that of a set of samples annealed at 450 deg C. Re-annealing at 450 deg C did not change essentially the preferred orientation established by annealing at 380 deg C. Dilatometric measurements in directions parallel and normal to the rolling direction and lying in the plane of rolling did not conclusively substantiate the x-ray diffraction measurements. Recrystallization at temperatures from 360 to 450 deg C of the homogeneously deformed as-rolled structure was characterized by the formation of extremely fine grains in the early stage which later were absorbed by growth of somewhat larger grains. Evidence of ordinary secondary recrystallization was observed in specimens annealed at 600 deg C.
Download or read book Preferred Orientation of Cold rolled and Recrystallized Uranium Plate written by William R. McDonell and published by . This book was released on 1957 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book RECRYSTALLIZATION OF HEAVILY COLD ROLLED URANIUM SHEET written by and published by . This book was released on 1959 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Changes in mean expansion coefficients upon annealing uranium sheet that had been rolled to 80% reduction in thickness at room temperature indicated that three different preferred oriontations could be developed upon recrystallization. One preferred orientation, which is essentially the same as that of the as-rolled material, resulted from annealing for long times at 360 deg C or at a lower tempcrature; a second type was created by annealing for moderate times between 400 and 600 deg C; and the third accompanied grain coarsening at 650 deg C. The microstructures of the as-rolled and annealed specimens were extremely heterogeneous because of the large grain size present prior to final fabrication at room temperature. The as-rolled structures consisted of heavily deformed areas and smaller quantities of lightly deformed material. The annealing of the former was characterized by initial creation of very fine recrystallized grains which were absorbed later by discontinuous growth of larger grains. Lightiy deformed areas, upon annealing, first exhibited recovery by polygonization and then underwent normal recrystallization. (auth).
Download or read book Rolling of Uranium written by and published by . This book was released on 1957 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rolling of Uranium Sheet and Its Properties written by Kyoaki Taketani and published by . This book was released on 1960 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Determination of Rolling and Recrystallization Textures in 600 C and 300 C Rolled Uranium Rods written by and published by . This book was released on 1951 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book PREFERRED ORIENTATION IN 300 C ROLLED AND IN RECRYSTALLIZED URANIUM SHEET written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Separation and Preparation of Samples for Spectrographic Analysis of Uranium Base Materials written by R. L. Barnard and published by . This book was released on 1955 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Determination of Rolling and Recrystallization Textures in 600o C and 300oC rolled Uranium Rods written by Warren P. Chernock and published by . This book was released on 1955 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Determination of Rolling and Recrystallization Textures in 600 C and 300 C rolled Uranium Rods written by and published by . This book was released on with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rolling and recrystallization textures in 300°C- and 600°Crolled uranium rods were investigated employing a Geiger counter spectrometer and a modification of the Schulz reflection technique. The method used minimizes the errors resulting from limitations of the Schulz technique. The rolling texture s were found to consist. of two fiber texture components, in which the (010) and the (110) planes are perpendicular to the rod axis. The r 6 lativ e amount'of the (110) texture increases with increasing rolling temperature. The reorystallization texture of a rod having mainly the(010) rolling texture consists of the (010) and the (140) fiber texture components.
Download or read book Effects of Rolling and Heat Treatment on Anisotropic Irradiation Growth of Uranium written by J. H. Kittel and published by . This book was released on 1961 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made to determine the effect of rolling temperature, roll pass design, amount of reduction, and heat treatment before and after rolling on the anisotropic growth rate of uranium under irradiation. The growth rate was found to increase with decreasing rolling temperature and with increasing reduction of area at 300 deg C. The rate of elongation was proportional to the amount of (010) component present or, where shortening occurred, to the amount of (100) component. Oval-edge-oval roll passes resulted in somewhat higher irradiation growth rates than did round roll passes. Recrystallization after rolling effectively reduced the irradiation growth rate of uranium rolled at temperatures of 500 deg C and lower. Irradiation caused length shortening in uranium which was beta quenched after being round-rolled at temperatures of 400 deg C and above, and which was beta quenched after being oval- rolled at temperatures of 300 deg C and above.
Download or read book Reactor Core Materials written by and published by . This book was released on 1958 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1964-10 with total page 1668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science and Technology a Selective Bibliography written by U.S. Atomic Energy Commission and published by . This book was released on 1958 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
