Stainless Steel Super Duplex
EFFECT OF INTERMETALLIC PHASES ON CORROSION BEHAVIOR AND MECHANICAL PROPERTIES OF DUPLEX STAINLESS STEEL AND SUPER-DUPLEX STAINLESS STEEL
... Topolska et al. [89] studied the toughness be- haviour of Duplex Stainless Steels and Super du- plex stainless steels. In their study they concluded DSS is less sensitive to embrittlement than ...
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Electrochemical Corrosion Characteristics of Super Duplex Stainless Steel S32750 in LT-MED Environment
... of super duplex stainless steel S32750 decreases, indicating that the stability of the passive film deteriorates, and the corrosion rate ...
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Optimization on Friction Welding of Super Duplex Stainless Steel 2507 using Design of Experiments
... friction welded. The welded samples were prepared for tensile test. The optimization of welding parameter is found by design of experiments. The tensile strength of friction welded joint is analyzed. The present work was ...
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Effect of Alloyed Mo and W on The Corrosion Characteristics of Super Duplex Stainless Steel Weld
... As nuclear and chemical industries have advanced, the demand for duplex stainless steel (DSS), which is used as structural material for such industries, increases. Austenite (gamma) and ferrite ...
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Study of Corrosion Behavior of a 2507 Super Duplex Stainless Steel: Influence of Quenched-in and Isothermal Nitrides
... The duplex structure and secondary phases (chromium nitrides and phase) formed in the samples due to the heat treatments were revealed by the SEM imaging in suitable ...elongated duplex structure for the ...
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Effect of Precipitation of σ Phase and N Addition on the Mechanical Properties in 25Cr 7Ni 4Mo 2W Super Duplex Stainless Steel
... Super Duplex Stainless Steel (here in after called SDSS) is more excellent than common duplex stainless steels in both corrosion resistance and mechanical properties, 1,2) ...
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Effect of Austenite Morphology on the Electrochemical Properties of Super Duplex Stainless UNS S 32750
... resistance [5]. Generally, usual stainless steel is carried out the Annealing at 1050 ° C[9]). SDSS is carried out heat treatment at 1100 ° C for equal PRE of austenite and ferrite [10]. Intermetallic ...
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Effect of Post-Weld Heat Treatment on the Corrosion Behavior of Resistance Spot Welded Super Duplex Stainless UNS S 32750
... Super duplex stainless steel (SDSS) has high corrosion resistance. However, welding decreases its corrosion resistance due to the segregation of its major constituent elements by excessive ...
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The effect of repeated welding cycles on the microstructure and ferrite content of 25Cr Super Duplex Stainless Steel weld metal by automatic orbital TIG welding
... repeated welding on mechanical and corrosion properties of stainless steel 316L. The welding is performed by SMAW on a 316L plate of original weld, 1 time repair until 4 times consecutive repair and ...
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A Comparative Study of Critical Pitting Temperature (CPT) of Super Duplex Stainless Steel S32707 in NaCl Solution
... To determine the CPT value and electrochemical corrosion of super duplex stainless steel S32707 in 3.5 wt.% NaCl solution, the electrochemical measurements including EIS method, EN ...
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Effects of Ruthenium Addition on the Phases of 2101 Duplex Stainless Steel
... Stainless steel is widely used in applications where good corrosion resistance, low maintenance, and low life-cycle costs are ...of stainless steel prohibitively ...lean duplex LDX 2101 ...
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Effect of Aging Treatment on Corrosion Resistance of S32750 Super Duplex Stainless Steel in Simulated Seawater at Low Temperature
... development, science and technology development. However, the seawater as an extremely complex corrosive media had severe corrosion hazards to ships and marine engineering equipment working in the marine environment ...
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A Study on the Corrosion Characteristics of Welded Stainless Steels Used in the Fabrication of Brine Circulating Pumps
... austenitic stainless steel is due to the breakdown of the passive layers and consequent accelerated corrosion occurred at welded zone, HAZ and parent ...austenitic stainless steel as shown in ...
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Influence of Multi-Pass Welding on the Microstructure Evolution and Corrosion Resistance of a Super Duplex Stainless Steel
... Different thermal simulations of multi-pass welding were performed on the 2507 duplex stainless steel. The influence of thermal cycles on microstructure and phase ratio was studied. The toughness and ...
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Mechanical Properties for Circumferential Welding Applied to UNS S32750 Super Duplex Stainless Steel Using the GMAW Process with CMT Control
... This study was performed using as base metal a Super Duplex UNS S32750 steel pipe with 48.20 mm outside diameter and 3.68 mm thickness, supplied by Sand- vik Materials Technology do Brasil SA. The ...
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Analysis of Super Duplex Stainless Steel Properties as an Austenite Ferrite Composite
... work, super duplex stainless steel (SDSS) grade UNS S32760, which is one of the most superior upper duplex stainless steels, is ...common duplex and austenitic ...
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Welding of Duplex Stainless Steel
... OF DUPLEX STAINLESS STEEL DSS’s good corrosion resistance and mechanical properties make it an ideal material for many ...applications. Duplex, Super Duplex and ...
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Intergranular Corrosion Characteristics of Super Duplex Stainless Steel at various Interpass Temperatures
... An investigation on the corrosion characteristics of super duplex stainless steels was conducted using interpass temperatures of 50 ℃, 150 ℃, and 250 ℃, and the following conclusions were reached. 1. ...
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A Comparison of Corrosion Behavior of a Super Duplex Stainless Steel and an Austenitic Stainless Steel in a Molten Sn 3 0Ag 0 5Cu Lead Free Solder
... the stainless steel matrix and Fe, Cr and Ni from the surface of matrix diffuse into the solder; however, no significant dissolution occurred at this ...
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Effect of Hydrogen on Corrosion Behavior of S32750 Super Duplex Stainless Steel
... The lowest temperature at which pitting corrosion occurs in this particular environment was called CPT. CPT can accurately reflect the sensitivity of materials to temperature. It is an important parameter to evaluate the ...
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