Results 191 to 200 of about 8,490 (235)
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Hardening of Aged Duplex Stainless Steels by Spinodal Decomposition
Microscopy and Microanalysis, 2004Mechanical properties, such as hardness and impact toughness, of ferrite-containing stainless steels are greatly affected by long-term aging at intermediate temperatures. It is known that the α-α′ spinodal decomposition occurring in the iron–chromium-based ferrite is responsible for this aging susceptibility.
Danoix, F., Auger, P., Blavette, D.
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Pitting corrosion of duplex stainless steels
Anti-Corrosion Methods and Materials, 2001This study showed the complex interactions of alloying elements and their prevailing microstructure on the pitting corrosion. This interaction was illustrated by electrochemical tests of three grades of wrought duplex stainless steels. It was shown that SAF2507 had the highest pitting potential, followed by SAF2205 and SAF2304.
K.S. Siow, T.Y. Song, J.H. Qiu
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Superplastic Deformation of a Duplex Stainless Steel
Materials Science Forum, 2001Superplastic behavior of a duplex stainless steel has been studied at 1223 K (950°C) and 1253 K (980°C) for initial strain-rates ranging from 2x10 -4 s -1 to 8x10 -3 s -1 In the given range of temperature, it was observed that the elongation increased as the strain rate decreased The best superplastic conditions were obtained at 1253 K where the ...
D. Pulino-Sagradi +2 more
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Abstract This article presents several fractographs of duplex stainless steels that failed by fatigue, stress-corrosion cracking, and embrittlement.
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Welding of stainless steels. Duplex and superduplex steels
Welding International, 2000(2000). Welding of stainless steels. Duplex and superduplex steels. Welding International: Vol. 14, No. 1, pp. 5-11.
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Hot deformation of duplex stainless steels
Journal of Materials Processing Technology, 2003Abstract Duplex stainless steels (DSSs) have become established materials, successfully employed in many industrial applications. Their combination of mechanical properties and corrosion resistance is particularly appreciated in the petrochemical field.
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Cavitation erosion of a duplex stainless steel
Materials Science and Engineering, 1987Abstract A duplex austenitic-ferritic stainless steel has been subjected to vortex cavitation collapse impingements. The surface deformation induced and damage developed were examined by scanning and transmission electron microscopy. The pressure pulses due to collapse impingements are random over the exposed area, forming hollows or craters with a ...
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Magnetic characterisation of duplex stainless steel
Physica B: Condensed Matter, 2006Heat treatment-induced microstructural processes were studied by different non-destructive magnetic and mechanical material testing methods in the present work. A commercial SAF 2507 type superduplex stainless steel was investigated. This alloy contains about 40% metastable ferrite which can decompose to a sigma phase and secondary austenite due to ...
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