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radiation-induced segregation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
..., the international consensus is that the three with the greatest impact on crack growth rates are the formation of material defects, radiation-induced segregation, and chemical reactions that increase the corrosion potential of water. The chapter discusses each of these in great detail, and includes information...
Image
Published: 01 January 2017
Fig. 6.8 Diagram of homologous temperature vs. flux showing the regimes in which radiation-induced segregation is most pronounced More
Image
Published: 01 January 2017
with predictive modeling of radiation-induced segregation. Source: Ref 6.24 , 6.30 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... with important fracture features. stress-corrosion cracking crack initiation crack propagation crack growth rate STRESS-CORROSION CRACKING (SCC) describes service failures in engineering materials that occur by slow environmentally induced crack propagation. The observed crack propagation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
...-intensity on crack propagation rates, and describes several mechanical fracture models, including corrosion tunnel, film-induced cleavage, and tarnish rupture models. crack initiation crack propagation stress-corrosion cracking STRESS-CORROSION CRACKING (SCC) is a term used to describe service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... Chemical Analysis Chemical analysis of samples from the component provides information regarding any deviation from the standard specifications, compositional inhomogeneities, impurities, inclusions, segregations, and so forth. It also helps in identifying the nature of corrosion products, coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090095
EISBN: 978-1-62708-266-2
... ). In this radiation-induced phenomenon there is no precipitation of chromium carbide and the chromium depletion is thought to occur by a process known as radiation-induced segregation. During the irradiation of an alloy, some constituents of the alloy migrate toward point defect sinks, such as grain boundaries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220129
EISBN: 978-1-62708-259-4
.... It explains how steel shrinks as it solidifies, causing issues such as pipe and voids, and how differences in the solubility of solid and liquid steel lead to compositional heterogeneities or segregation. It describes the dendritic nature of solidification, peritectic and eutectic reactions, microporosity...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490021
EISBN: 978-1-62708-340-9
... inherent resistance of steel to brittle fracture; promotes segregation of tin and silicon (and antimony, if present) Chromium Imparts hardenability; imparts some resistance to softening at elevated temperatures; promotes segregation of phosphorus Manganese Imparts hardenability; scavenges sulfur...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... parallel to the radiation beam. Tight, meandering cracks in thick sections usually cannot be detected even when properly oriented. Minute discontinuities such as inclusions in wrought material, flakes, microporosity, and micro-fissures cannot be detected unless they are sufficiently segregated to yield...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400245
EISBN: 978-1-62708-258-7
... that induce strain hardening. Usually, but not necessarily, conducted at room temperature. Contrast with hot working. collimation. The operation of controlling a beam of radiation so that its rays are as nearly parallel as possible. collodian replica. A replica of a surface cast in nitrocellulose. colonies...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
... in which hypothesized failure causes are induced by aging, repetitive temperature cycling, or exposure to humidity, ultraviolet radiation, or high or low temperatures. Most commercial testing facilities offer environmental and accelerated aging tests to evaluate these hypothesized failure causes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... (2010–2190 °F) for 8–16 h, furnace cool to 800–850 °C (1470–1560 °F), and then cool to room temperature in still air. It is performed on steel ingots and castings to minimize chemical segregation. Normalizing: The aim is to provide a uniform microstructure of ferrite plus pearlite (small grains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
... bands of pearlite and ferrite. In a plain carbon steel, the bands of pearlite contain higher carbon and manganese contents than the ferrite bands. This compositional “banding” is a result of the chemical segregation that occurred during solidification. (The solidification took place when the molten...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030380
EISBN: 978-1-62708-282-2
.... A chemical substance that yields hydrogen ions (H+) when dissolved in water; also a substance that dissociates to produce a proton (H+) in any medium, that is, a proton donor. Compare with base. acid embrittlement. A form of hydrogen embrittlement that may be induced in some metals by acid. acid rain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
...-particle testing of a weld with an electromagnet Prod magnetization, in which electrodes carrying a high-amperage, low-voltage current are pressed onto the test surface to induce a distorted, circular magnetic field, provides the most controlled method of magnetization. Although the electrodes can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... is the segregation of alloying elements during solidification of the molten alloy in the ingot mold. Areas of higher carbon concentration in austenite are developed as a result of segregation. The rolling of the ingot to form a sheet and the subsequent tube-making operation give rise to elongation of high-carbon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
.... Fig. 6 Growing dendrite tip and dendrite root during columnar growth in a casting. A dendritic form is usually characterized in terms of the primary (dendrite trunk) spacing, λ 1 , and the secondary (dendrite arm) spacing, λ 2 . Source: Ref 2 Segregation During equilibrium alloy...