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Influence Of Sodium On The Low Cycle Fatigue Behavior Of Types 304 And 316 Stainless Steel
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Book Synopsis Influence of Sodium on the Low-cycle Fatigue Behavior of Types 304 and 316 Stainless Steel by :
Download or read book Influence of Sodium on the Low-cycle Fatigue Behavior of Types 304 and 316 Stainless Steel written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue tests in sodium were conducted to investigate the influence of a high-temperature sodium environment on the low-cycle fatigue behavior of Types 304 and 316 stainless steel. The effects of testing in a sodium environment as well as long-term sodium exposure were investigated. The fatigue tests were conducted at 600 and 700°C in sodium of controlled purity, viz., approximately 1 ppM oxygen and 0.4 ppM carbon, at a strain rate of 4 x 10−3s−1. The fatigue life of annealed Type 316 stainless steel is substantially greater in sodium than when tested in air; however, the fatigue life of annealed Type 304 stainless steel is altered much less when tested in sodium. A 1512-h preexposure to sodium had no significant effect on the fatigue life of Type 316 stainless steel tested in sodium. However, a similar exposure substantially increased the fatigue life of Type 304 stainless steel in sodium. 10 fig. (auth).
Book Synopsis Effects of Environment on the Low-cycle Fatigue Behavior of Type 304 Stainless Steel by :
Download or read book Effects of Environment on the Low-cycle Fatigue Behavior of Type 304 Stainless Steel written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The low-cycle fatigue behavior of Type 304 stainless steel has been investigated at 593/sup 0/C in a dynamic vacuum of better than 1.3 x 10/sup -6/ Pa (10/sup -8/ torr). The results concerning the effects of strain range, strain rate and tensile hold time on fatigue life are presented and compared with results of similar tests performed in air and sodium environments. Under continuous symmetrical cycling, fatigue life is significantly longer in vacuum than in air; in the low strain range regime, the effect of sodium on fatigue life appears to be similar to that of vacuum. Strain rate (or frequency) strongly influences fatigue life in both air and vacuum. In compressive hold-time tests, the effect of environment on life is similar to that in a continuous-cycling test. However, tensile hold times are nearly as damaging in vacuum as in air. Thus, at least for austenitic stainless steels, the influence of the environment of fatigue life appears to depend on the loading waveshape.
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 with total page 600 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 1975 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-07 with total page 448 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:
Book Synopsis Proceedings of the Technology Information Meeting on Methods for Analyzing Piping Integrity, November 11-12, 1975, National Bureau of Standards, Gaithersburg, Md by :
Download or read book Proceedings of the Technology Information Meeting on Methods for Analyzing Piping Integrity, November 11-12, 1975, National Bureau of Standards, Gaithersburg, Md written by and published by . This book was released on 1975 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA. written by and published by . This book was released on with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Technology Information Meeting on Methods for Analyzing Piping Integrity, November 11-12, 1975 by :
Download or read book Proceedings of the Technology Information Meeting on Methods for Analyzing Piping Integrity, November 11-12, 1975 written by and published by . This book was released on 1976 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1976 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Materials in Nuclear Power Systems by : J. T. Adrian Roberts
Download or read book Structural Materials in Nuclear Power Systems written by J. T. Adrian Roberts and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years the effort devoted to assuring both the safety and reliability of commercial nuclear fission power reactors has markedly increased. The incentives for performing this work are large since the resulting im provement in plant productivity translates into lower fuel costs and, more importantly, reduced reliance on imported oil. Reliability and availability of nuclear power plants, whether fission or fusion, demand that more attention be focused on the behavior of materials. Recent experiences with fission power indicate that the basic properties of materials, which categorize their reliable behavior under specified conditions, need reinforcement to assure trouble-free operation for the expected service life. The pursuit of additional information con tinues to demand a better understanding of some of the observed anom alous behavior, and of the margin of resistance of materials to unpre dictable service conditions. It is also apparent that, next to plasma heating and confinement, materials selection represents the most serious chal lenge to the introduction of fusion power. The recognition of the importance of materials performance to nu clear plant performance has sustained a multimillion dollar worldwide research and development effort that has yielded significant results, both in quantification of the performance limits of materials in current use and the development and qualification of new materials. Most of this infor mation appears in the open literature in the form of research reports, journal articles, and conference proceedings.
Download or read book INIS Atomindex written by and published by . This book was released on 1983 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Sodium Environment on the Creep-rupture and Low-cycle Fatigue Behavior of Austenitic Stainless Steels by :
Download or read book Effect of Sodium Environment on the Creep-rupture and Low-cycle Fatigue Behavior of Austenitic Stainless Steels written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Austenitic stainless steels used for in-core structural components, piping, valves, and the intermediate heat exchanger in Liquid-Metal Fast-Breeder Reactors (LMFBRs) are subjected to sodium at elevated temperatures and to complex stress conditions. As a result, the materials can undergo compositional and microstructural changes as well as mechanical deformation by creep and cyclic fatigue processes. Information is presented on the creep-rupture and low-cycle fatigue behavior of Types 304 and 316 stainless steel in the solution-annealed condition and after long-term exposure to flowing sodium. The nonmetallic impurity-element concentrations in the sodium were controlled at levels similar to those in EBR-II primary sodium. Strain-time relationships developed from the experimental creep data were used to generate isochronous stress-creep strain curves as functions of sodium-exposure time and temperature. The low-cycle fatigue data were used to obtain relationships between plastic strain range and cycles-to-failure based on the Coffin-Manson formalism and a damage-rate approach developed at ANL. An analysis of the cyclic stress-strain behavior of the materials showed that the strain-hardening rates for the sodium-exposed steels were larger than those for the annealed material. However, the sodium-exposed specimens showed significant softening, as evidenced by the lower stress at half the fatigue life. Microstructural information obtained from the different specimens suggests that crack initiation is more difficult in the long-term sodium-exposed specimens when compared with the solution-annealed material. Based on the expected carbon concentrations in LMFBR primary system sodium, moderate carburization of the austenitic stainless steels will not degrade the mechanical properties to a significant extent, and therefore, will not limit the performance of out-of-core components.
Book Synopsis Advanced Materials for Emerging Applications (Innovations, Improvements, Inclusion and Impact) by : T. S. Srivatsan
Download or read book Advanced Materials for Emerging Applications (Innovations, Improvements, Inclusion and Impact) written by T. S. Srivatsan and published by Bentham Science Publishers. This book was released on 2024-05-17 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Materials for Emerging Applications is a monograph on emerging materials'; materials that have observable differences in physical properties and manufacturing requirements when compared to existing materials and industrial processes. The volume aims to showcase novel materials that can be used in advanced technology and innovative products. The editors have compiled 17 chapters grouped into 3 sections: 1) Metals and Alloys, 2) Composite materials, and 3) Other materials. Chapters 1-5 discuss recent advances in friction stir welding, suitability of nickel-base shape memory alloys, thermal cycling studies of nickel-based shape memory alloys, nitrogen additions to stainless steel, and the evolution of zirconium alloy. Chapters 6-11 cover topics such as additive manufacturing of metal matrix composites, composite materials for biomedical applications, aluminum and magnesium metal matrix composites, aluminum nanocomposites for automobile applications, enhancing the strength of aluminum-boron carbide composites, and sisal fibers reinforced composites. Lastly, chapters 13-17 explore smart hydrogels, engineered iron-oxide nanomaterials for magnetic hyperthermia, emerging sustainable material technology for fire safety, recent advances in unconventional machining of smart alloys, and critical parameters influencing high-strain rate deformation of materials. This monograph provides information for a broad readership including material and manufacturing engineers, researchers, students (at undergraduate levels or above) and entrepreneurs interested in manufacturing new products.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1975 with total page 970 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 Nuclear Technology written by and published by . This book was released on 1979 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low-Cycle Fatigue Behavior of Types 304 and 316 Stainless Steel at LMFBR Operating Temperature by : CF. Cheng
Download or read book Low-Cycle Fatigue Behavior of Types 304 and 316 Stainless Steel at LMFBR Operating Temperature written by CF. Cheng and published by . This book was released on 1973 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully reversed, axial strain-controlled low-cycle fatigue tests with and without tension holdtime have been conducted in air in the temperature range of 806 to 1202 F and at a strain rate of 4 x 10-31 on Types 304 and 316 stainless steel after various initial heat treatments. The test results have been supplemented by metallographic and scanning electron microscopy investigations. Prior heat treatment has a greater effect on specimens tested at 1050 F than on those tested at 1202 F and a greater effect on Type 304 than on Type 316. The introduction of tension holdtimes decreases the cyclic life of both materials and causes the mode of failure to change from transgranular to intergranular. Much of the above fatigue behavior can be qualitatively understood on the basis of the supplemental metallographic results.
