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Effect Of Irradiation Parameters On Nickel Ion Damage In Nickel
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Book Synopsis Effect of Irradiation Parameters on Nickel-Ion Damage in Nickel by : PR. Malmberg
Download or read book Effect of Irradiation Parameters on Nickel-Ion Damage in Nickel written by PR. Malmberg and published by . This book was released on 1975 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Void and dislocation structures have been studied in high-purity nickel which had been irradiated with 2.8 MeV38 Ni+ ions. The irradiation conditions included specimen temperatures between 325 and 725°C, calculated peak damage densities from 4 to 130 displacements per atom (dpa), and calculated peak displacement rates of 7 x 10-2 dpa/s and 7 x 10-4 dpa/s. For the irradiations at 7 x 10-2 dpa/s, voids were formed in specimens irradiated between 525 and 725°C. The maximum swelling at a damage level of 13 dpa was ?V/V = 1.2 percent, observed in a specimen irradiated at 625°C. Irradiation of the same material to 13 dpa at 7 x 10-4 dpa/s shifted the void formation temperatures approximately 100°C lower and produced a maximum swelling of 2.3 percent at 550°C. For specimens irradiated at a displacement rate of 7 x 10-2 and a irradiation temperature of 575°C, the material was found to swell at a relatively rapid rate to a value of ?V/V = 0.9 percent at 13 dpa. Above 13 dpa, the swelling rate was lower, and a value of ?V/V = 2.2 percent was reached at 130 dpa. The results of analyses of these data by void nucleation and growth models are discussed.
Book Synopsis Depth Dependent Damage in Heavy-ion Irradiated Nickel by : John Barry Whitley
Download or read book Depth Dependent Damage in Heavy-ion Irradiated Nickel written by John Barry Whitley and published by . This book was released on 1978 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Damage Clusters Produced by Heavy-ion Irradiation of Nickel and Its Alloys by : Thomas Martin Robinson
Download or read book A Study of Damage Clusters Produced by Heavy-ion Irradiation of Nickel and Its Alloys written by Thomas Martin Robinson and published by . This book was released on 1978 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of NRL Progress by : Naval Research Laboratory (U.S.)
Download or read book Report of NRL Progress written by Naval Research Laboratory (U.S.) and published by . This book was released on 1975-02 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Reactor Structural Alloys After Neutron Or Particle Irradiation by : C. J. Baroch
Download or read book Properties of Reactor Structural Alloys After Neutron Or Particle Irradiation written by C. J. Baroch and published by ASTM International. This book was released on 1975 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Implanted Hydrogen and Helium on Cavity Formation in Self-ion Irradiated Nickel by : Daniel Bernard Bullen
Download or read book The Effects of Implanted Hydrogen and Helium on Cavity Formation in Self-ion Irradiated Nickel written by Daniel Bernard Bullen and published by . This book was released on 1984 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heavy-ion Damage in Copper, Nickel and Dilute Nickel Alloys by : John Steven Vetrano
Download or read book Heavy-ion Damage in Copper, Nickel and Dilute Nickel Alloys written by John Steven Vetrano and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Though it has long been appreciated that materials differ in their response to heavy-ion irradiation, the reasons for this are not yet fully understood. To more fully characterize the effects of material, alloying element, irradiation temperature and ion dose on the probability of collapse of a displacement cascade, Cu, Ni, and dilute Ni alloys (Ni-Si and Ni-Al) have been irradiated with 50 and 100 keV heavy-ions (Kr$\sp+$ and Ni$\sp+$) at both 30 and 300K, and to doses ranging from 10$\sp{15}$-10$\sp{17}$ ions m$\sp{-2}$. The irradiations resulted in the formation of vacancy dislocation loops which were examined in a transmission electron microscope (TEM) and characterized by their size, Burgers vector, and formation probability. For some of the irradiations, the HVEM-Accelerator Facility and Argonne National Laboratory was used. This facility is unique in that it allows irradiation and microstructural examination to be performed at temperatures where there is no long-range point defect mobility and the examination of the same area of sample at different dose levels.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Radiation on Materials by : Roger E. Stoller
Download or read book Effects of Radiation on Materials written by Roger E. Stoller and published by ASTM International. This book was released on 1992 with total page 1315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Symposium held in Nashville, Tennessee, June 1990. Almost two-thirds of these 91 papers are authored by researchers outside of the US (including information on research in the former USSR, Japan, and Europe). Topics include: current commercial power reactor systems; microstructural characterization
Book Synopsis Radiation Damage in Nickel(3) Aluminum by : Tho Xuan Bui
Download or read book Radiation Damage in Nickel(3) Aluminum written by Tho Xuan Bui and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ordered intermetallic Ni$sb3$Al was used in two series of experiments that were designed to elucidate both fundamental and practical aspects of radiation damage. The first is a Transmission Electron Microscopy investigation of cascade damage under heavy ion irradiation; the second is a radiation induced segregation study. For the first topic, the cascade generated damage structure (namely, disordered zones and dislocation loops) were examined as a function of ion mass (Ar$sp+$, Kr$sp+$, Xe$sp+$), ion energy (30 and 50 keV), and irradiation temperature (30, 300, 350 and 400K). At room temperature and at constant ion energy, the average size of the disordered zones increases with increasing ion mass. At room temperature and at constant ion mass, the zone size increases with increasing energy; but only for the heavier Xe+ ions. At 30K, for the same ion mass and ion energy, the size of the disordered zones was smaller than at room temperature. When the irradiation temperature was increased to 400K, the disordered zone size was also found to be smaller than that obtained from the room temperature irradiations. The zones were found to increase in size with increasing ion mass, similar to the trend observed with the room temperature irradiation. For all irradiation temperatures, the dislocation loop yield shows the same trends as the disordered zone size: the yield increases with increasing energy and increasing ion mass. The loop yield is also lower for irradiations at 30K and 400K than at 300K and 350K. It was found that while there is a correlation between the size of the disordered zones, larger disordered zones did not necessarily produce larger dislocation loops. An interpretation of these results in terms of current computer modeling for the formation of disordered zones and dislocation loops will be presented. Surface segregation studies using Auger electron spectroscopy were performed in order to investigate the effects of Radiation Induced Segregation (RIS) on Ni$sb3$Al. The results showed that Ni$sb3$Al has a strong resistance to RIS. TEM analysis of the microstructure under irradiation suggests that the resistance to segregation is due to a dense and stable dislocation network that exists within the irradiated region throughout the temperature range at which RIS is expected to occur. This dislocation network competes against the surface as a point defect sink, preventing the long-range migration of point defects that is necessary for RIS to occur. The nature of the dislocation network suggests a strong influence of ordering energy on the stability of the dislocations.
Book Synopsis The Effect of Copper and Nickel on the Neutron Irradiation Damage in Iron Alloys by : David Timothy Hoelzer
Download or read book The Effect of Copper and Nickel on the Neutron Irradiation Damage in Iron Alloys written by David Timothy Hoelzer and published by . This book was released on 1991 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :588 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1976 with total page 588 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 1976-02 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Radiation on Materials by : F. A. Garner
Download or read book Effects of Radiation on Materials written by F. A. Garner and published by ASTM International. This book was released on 1985 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Depth Dependent Damage Profile in Nickel Irradiated with Nickel Or Copper Ions by : J. B. Whitley
Download or read book The Depth Dependent Damage Profile in Nickel Irradiated with Nickel Or Copper Ions written by J. B. Whitley and published by . This book was released on 1978 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nickel-Ion Damage in a Precipitation-Hardened Nickel-Aluminum by : LG. Kirchner
Download or read book Nickel-Ion Damage in a Precipitation-Hardened Nickel-Aluminum written by LG. Kirchner and published by . This book was released on 1976 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: A precipitation-hardened nickel 14 atom percent aluminum alloy has been irradiated with 2.8 MeV 58Ni+ ions at a damage rate of 4.4 x 10-2 displacements per atom (dpa)/s, over a temperature range of 525 to 725 °C (977 to 1337 °F), to a damage level of 20 dpa, and at 625 °C (1157°F) over a dose range of 4 to 125 dpa. The experiment was designed to examine the stability of Ni3Al precipitates as a function of temperature and dose as well as their role in reducing swelling.
Book Synopsis ASTM Standardization News by : American Society for Testing and Materials
Download or read book ASTM Standardization News written by American Society for Testing and Materials and published by . This book was released on 1976 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:
