Download or read book BWR Pipe Crack and Weld Clad Overlay Studies written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Leaks and cracks in the heat-affected zones of weldments in austenitic stainless steel piping in boiling water reactors (BWRs) due to intergranular stress corrosion cracking (IGSCC) have been observed since the mid-1960s. Since that time, cracking has continued to occur, and indication have been found in all parts of the recirculation system, including the largest diameter lines. Proposed solutions for the problem include procedures that produce a more favorable residual stress state on the inner surface, materials that are more resistant to stress corrosion cracking (SCC), and changes in the reactor environment that decrease the susceptibility to cracking. In addition to the evaluation of these remedies, it is also important to gain a better understanding of the weld overlay procedure, which is the most widely used short-term repair for flawed piping.

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Download or read book Proceedings of the U S Nuclear Regulatory Commission Twelfth Water Reactor Safety Research Information Meeting Held at National Bureau of Standards Gaithersburg Maryland October 22 26 1983 i e 1984 written by and published by . This book was released on 1985 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the U S Nuclear Regulatory Commission Thirteenth Water Reactor Safety Research Information Meeting Held at National Bureau of Standards Gaithersburg Maryland October 22 25 1985 Materials engineering research Environmental effects in piping Surry steam generator written by and published by . This book was released on 1986 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Research Summary written by Argonne National Laboratory. Materials and Components Technology Division and published by . This book was released on 1987 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book BWR Pipe Crack Remedies Evaluation written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents results on: (a) the influence of simulated BWR environments on the stress-corrosion-craking (SCC) susceptibility of Types 304, 316NG, and 347 stainless (SS); (b) fracture-mechanics crack-growth-rate measurements on these materials and weld overlay specimens in different environments; and (c) residual stress measurements and metallographic evaluations of conventional pipe weldments treated by a mechanical-stress-improvement process (MSIP) as well as those produced by a narrow-gap welding procedure. Crack initiation studies on Types 304 and 316NG SS under crevice and non-crevice conditions in 289°C water containing 0.25 ppM dissolved oxygen with low sulfate concentrations indicate that SCC initiates at very low strains (

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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 1338 pages. Available in PDF, EPUB and Kindle. Book excerpt: