9786139952359 - effect of reversion heat treatment on duplex stainless steels von vasantha kumar, shamanth; shankar k. s., ravi (5 Ergebnisse)
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Taschenbuch. Zustand: Neu. Effect of Reversion Heat treatment on Duplex Stainless Steels | Shamanth Vasantha Kumar (u. a.) | Taschenbuch | 136 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9786139952359 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]pre…igu[dot]de | Anbieter: preigu.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The thermal aging embrittlement of duplex stainless steels is one of the key material property degradation that would limit their industrial applicability. In this investigation, we study the effect of reversion heat treatment on the…mechanical properties of the thermally embrittled steels. The samples were solutionized, aged, reversion heat treated and re-aged. The tensile strength of the aged sample had increased with respect to the solutionized condition because in aged condition, the ferrite phase was spinodally decomposed into iron rich alpha ( ) and chromium rich alpha-prime ( ) precipitates and also the chromium nitride precipitates was found along with these precipitates. The 60 minutes reversion heat treated samples showed a maximum recovery in tensile strength of upto 92% with respect to the solutionized condition because the temperature of 550 C is above the ( + ) miscibility gap, the ferritic phase was homogenized again. In other words, Ferich and Cr-rich prime precipitates which were formed during ageing become thermodynamically unstable and dissolve inside the ferritic phase. 136 pp. Englisch.
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Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Vasantha Kumar ShamanthProf. Dr. Shamanth V is Associate Professor and joined REVA University of Bengaluru, India in 2018. He has authored/co-authored more than 12 scientific publications and has been par…t of more than 13 program com.
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Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The thermal aging embrittlement of duplex stainless steels is one of the key material property degradation that would limit their industrial applicability. In this investigation, we study the effect of reversion heat treatment on the mech…anical properties of the thermally embrittled steels. The samples were solutionized, aged, reversion heat treated and re-aged. The tensile strength of the aged sample had increased with respect to the solutionized condition because in aged condition, the ferrite phase was spinodally decomposed into iron rich alpha (¿) and chromium rich alpha-prime (¿¿) precipitates and also the chromium nitride precipitates was found along with these precipitates. The 60 minutes reversion heat treated samples showed a maximum recovery in tensile strength of upto 92% with respect to the solutionized condition because the temperature of 550 ¿C is above the (¿ + ¿¿) miscibility gap, the ferritic phase was homogenized again. In other words, Ferich ¿ and Cr-rich ¿¿ prime precipitates which were formed during ageing become thermodynamically unstable and dissolve inside the ferritic phase.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 136 pp. Englisch.
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Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The thermal aging embrittlement of duplex stainless steels is one of the key material property degradation that would limit their industrial applicability. In this investigation, we study the effect of reversion heat treatment on the mecha…nical properties of the thermally embrittled steels. The samples were solutionized, aged, reversion heat treated and re-aged. The tensile strength of the aged sample had increased with respect to the solutionized condition because in aged condition, the ferrite phase was spinodally decomposed into iron rich alpha ( ) and chromium rich alpha-prime ( ) precipitates and also the chromium nitride precipitates was found along with these precipitates. The 60 minutes reversion heat treated samples showed a maximum recovery in tensile strength of upto 92% with respect to the solutionized condition because the temperature of 550 C is above the ( + ) miscibility gap, the ferritic phase was homogenized again. In other words, Ferich and Cr-rich prime precipitates which were formed during ageing become thermodynamically unstable and dissolve inside the ferritic phase.
