Fatigue Behaviour of Metastable and Stable Austenitic Steels
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چکیده
منابع مشابه
Delayed Cracking of Metastable Austenitic Stainless Steels after Deep Drawing
In metastable austenitic stainless steels, strain-induced martensitic transformation during plastic deformation enhances work hardening of the material, increasing its strength and in some cases also ductility.1,2) The presence of α’-martensite, however, may increase the susceptibility of these materials to hydrogen embrittlement phenomena, for example delayed cracking.3–6) Delayed cracking can...
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Strength and ductility are mutually exclusive if they are manifested as consequence of the coupling between strengthening and toughening mechanisms. One notable example is dislocation strengthening in metals, which invariably leads to reduced ductility. However, this trend is averted in metastable austenitic steels. A one-step thermal mechanical treatment (TMT), i.e. hot rolling, can effectivel...
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Four compositions of austenitic Mn-Cr steels have been developed successfully for in-vessel component materials in power plant industry. The phase stability of these Mn-Cr steels was studied by and X-ray diffraction (XRD) patterns. XRD patterns have shown that the matrix of these Mn-Cr steels is a single γ-phase structure. The potentiodynamic polarisation curves suggested that these fabricated ...
متن کاملEvaluation of corrosion behaviour on Mn-Cr austenitic steels using 0.1 M HCl solution
One of the attractive low activation steels is the austenitic Mn-Cr steel from the view point of waste disposal because of few long-lived nuclides. In this paper, three types of Mn-Cr austenitic steels were fabricated by vacuum induction furnace. Then plates with 10 mm thickness were fabricated by hot-rolling. The physical metallurgy of these steels was studied by the corrected Schaeffler diagr...
متن کاملCorrigendum: Dislocation Strengthening without Ductility Trade-off in Metastable Austenitic Steels
This corrects the article DOI: 10.1038/srep35345.
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ژورنال
عنوان ژورنال: Tetsu-to-Hagane
سال: 1978
ISSN: 0021-1575,1883-2954
DOI: 10.2355/tetsutohagane1955.64.2_278