[PDF] Top 20 Embrittlement and Corrosion Decay of a Cast Duplex Stainless Steel

... Duplex stainless steels (DSS) are Fe-Cr-Ni-Mo alloys, with low carbon content, which have a favorable combination of mechanical properties and corrosion ...phase and refined ... See full document

... Duplex stainless steels (DSSs) are gaining extensively increased applications as structural materials in various industrial sectors, such as offshore construction, chemical, petrochemical, pulp and ... See full document

... The steel sheets were cut in dimensions of 1 cm x 1 cm with the exposed surface being the rolling ...resin and electrical connections necessary for the tests were made by welding a copper wire tothe ... See full document

... fraction of the ferrite and austenite in the micro- structure and to verify any precipitation of the intermetallic pha- ...purpose of these heat treatments was to allow for the ... See full document

... means of heat treatment, whose temperature depends on the chemical composi- tion of the ...result of an interesting combination between the austenitic and ferritic stainless steels, ... See full document

... Lean Duplex Stainless Steel (LDSS) thick plates were welded by different processes commonly employed in the manufacture of equipment and piping: shielded metal arc welding (SMAW), gas ... See full document

... for duplex stainless steels because it causes excessive ferrite in as-welded duplex microstructure, which leads to a degradation in toughness and corrosion properties of the ... See full document

... austenitic stainless steel, but its price has shown considerable luctuations over the last ...grades of austenitic stainless steels (Charles, ...resistance of austenitic ... See full document

... combination of good mechanical properties and corrosion resistance of duplex stainless steel is attributed to a microstructure of approximately equal proportions ... See full document

... resistance of the steel because of its ability to act as a hydrogen trap due to its low ...the steel which presents this phase shows a lower diffusion coefficient and higher solubility ... See full document

... susceptibility of a duplex stainless steel UNS S31803 to thermal embrittlement at 475 °C was evaluated by means of mechanical tests (impact energy and hardness), magnetic ... See full document

... joints of UNS S32304 lean duplex stainless steel (LDSS) has been studied in acidiied glycerin, a byproduct of biodiesel plants, using cyclic polarization ...welding and lux cored ... See full document

... Duplex stainless steels, with ferritic-austenitic microstructure, have excellent mechanical prop- erties and corrosion ...when duplex stainless steels are exposed to tempera- ... See full document

... formation of intermetallic phases alters the properties of duplex stainless steel and is therefore a crucial factor in its ...formation of sigma phase in duplex ... See full document

... Ferritic stainless steel is one of the most important engineering materials due to its low cost and easy mechanical ...range of products, such as kitchenware, interconnections ... See full document

... temperature of annealing the greater the tendency of the material to display a higher rate of corro- sion resistance except in the range 500-600 ...800 and 1100 °C will take almost all the ... See full document

... mapping of selected pits was performed in order to search for compositional features that could be related to the more active corrosion response of these ...area and one pit located at grain ... See full document

... consisting of a plastic box with dimensions: 52x36x18cm, and nominal capacity of 100 ...capacity and the textural characteristics of the ...removal of the coupons every 48 ... See full document

... cracking of pipeline steels in contact with soil have been ...chemical and bacteriological ...samples and NS4 standard solution. Stress vs. strain curves of API 5L grade X46, X60 and ... See full document

... property of the engineering materials .Recently, a new class of engineering materials, known as metal foams, has been ...range of features, for example high potential to absorb impact energy, high ... See full document