Duplex Stainless Steel UNS S31803
Structural and Magnetic Properties of Duplex Stainless steel (UNS S31803) Powders Obtained by high Energy Milling of Chips with Additions of NbC
... of stainless steel in conditions without carbide and with addition of 3% of NbC, under the same milling conditions, a decrease in particle size was observed obtaining particles of size smaller than 300 µm, ...
6
Influência de diferentes tratamentos térmicos de recozimento nas frações de fases e nas propriedades mecânicas do aço inoxidável duplex UNS S31803.
... In this work the influence of different isothermal heat treatments on phase fraction (ferrite, austenite and sigma) and its effects on mechanical properties of duplex stainless steel UNS ...
7
Avaliação da Técnica de Voltametria Linear para Determinação Quantitativa de Fase Sigma no Aço Inoxidável Duplex UNS S31803.
... in duplex stainless steels constitute a problem regarding the use of such materials in certain temperature ranges, in this way, are necessary methods to quantify, non-destructively, the presence of ...
14
Influência do efeito da temperatura de preaquecimento, do tipo de corrente e do gás de proteção na soldagem de chapas finas de aço inoxidável duplex uns s31803
... the duplex stainless steel UNS S31803 widely used in corrosion environments, such as petrochemical industry, marine and ...of duplex stainless steel UNS ...
97
Effect of volume fraction of phases and precipitates on the mechanical behavior of UNS S31803 duplex stainless steel
... ferritic stainless steels, these duplex stainless steels combine the best features of both alloys, ...other stainless steels ...0.03%), duplex stainless steels are not ...
7
Análise da superfície de fratura do aço inoxidável duplex UNS S31803 através da aplicação da geometria dos fractais
... of duplex stainless steel, which was obtained by the Charpy impact test, was studied applying the fractal ...the steel was submitted to thermal aging to obtain the fracture surfaces, whose ...
100
REPOSITORIO INSTITUCIONAL DA UFOP: Influência de tratamentos térmicos de recozimento na precipitação de fase sigma e nas propriedades mecânicas de um aço inoxidável duplex UNS S31803.
... The duplex stainless steel (DSS) has an austenite-ferrite microstructure composed by about 50% of each phase, such characteristic gives to the DSS highly mechanicals properties comparing to the ...
82
Estudo da corrosão e inibição dos aços carbono AISI 1010, inoxidável AISI 316 e duplex UNS S31803 em meio de solução de íons cloreto
... carbon steel, AISI 316 stainless steel and UNS S31803 duplex steel was studied in sodium chloride solution ...carbon steel was consisted by ferrite phase, and the ...
123
Hydrogen – microstructure – mechanical properties interactions in super duplex stainless steel components
... diameter stainless steel couplings of UNS S32760 and UNS ...any steel component under cathodic protection, while BS EN ISO 15156-3 requires values below 36HRC for duplex ...
243
Caracterização e avaliação da resistência à corrosão na soldagem de tubulação de aço inoxidável duplex UNS S31803 pelo processo a arco submerso.
... Abstract: This work presents the mechanical properties, microstructural and corrosion resistance evaluation of a welded joint of duplex stainless steel (DSS) pipe with 35 mm wall thickness. The joint ...
12
Influência da Deformação Plástica e da Solubilização na Microestrutura e nas Propriedades Magnéticas de um Aço Duplex UNS S31803.
... Duplex stainless steels are widely used in industrial and scientific sector, because it reconciles the good mechanical and magnetic properties of their constituent phases, the ferrite phase and the ...
100
Avaliação das propriedades mecânicas e morfológicas do aço inoxidável duplex UNS S31803 antes e após o curvamento por indução eletromagnética
... (STAINLESS STEEL WORLD, ...inoxidáveis duplex (NILSSON, 1992), causado pelo crescimento mútuo dos grãos de ferrita e austenita (SMUK, 2004), o que garante maior dureza para a estrutura das duas fases ...
112
Evaluation of the magnetic permeability for the microstructural characterization of a duplex stainless steel
... the UNS S31803 duplex stainless steel, with dimensions of 30x20x8 mm 3 , were aged at the temperatures of 425 o C and 475 o C during 12, 24, 48, 100 and 200 hours, and at the ...
17
Efeito do Tempo de Exposição nas Temperaturas de 645°c e 820°c na Corrosão Localizada do Aço Inoxidável Duplex uns S31803 Avaliado Por Espectroscopia de Impedância Eletroquímica
... In the present work were evaluated the electrochemical impedance technique to detect the corrosion susceptibility of the UNS S31803 duplex stainless steel. This material was studied in ...
106
In Situ Synchrotron Radiation Measurements During Axial Strain In Hydrogen Cathodically Charged Duplex Stainless Steel SAF 2205
... The objective of this work is the evaluation of hydrogen effects on the martensitic transformation and strain hardening in Duplex Stainless Steels (DSS) SAF 2205 (UNS S32205/S31803). DSS are ...
7
Efeito do agente controlador de processo na produção e desenvolvimento do aço inoxidável duplex UNS S31803 nano estruturado obtido por moagem de alta energia com adição de carbetos.
... Duplex stainless steels are materials widely used in the industrial sector and in other diverse applications due to their high mechanical resistance and ...from UNS S31803 / SAF 2205 ...
101
Corrosion Behavior of Duplex and Lean Duplex Stainless Steels in Pulp Mill
... the S31803 duplex steel and the S32304 lean duplex steel were similar in industrial WL at room temperature as shown in Figure ...
9
Analysis of the Crystallographic Microtexture of a UNS S32205 and a UNS S32304 Duplex Stainless Steels After Cold Rolling and Heat Treatment
... of the crystallographic texture of cold-rolled and annealed duplex stainless steel. The results for the cold rolled sample with 90 % thickness reduction and chemical composition (25.2 % Cr, 0.4 % N, ...
7
Study on welding thermal cycle and residual stress of UNS S32304 duplex stainless steel selected as external shield for a transport packaging of Mo-99
... Thin plates of duplex stainless steel UNS S32304 were welded using the pulsed gas tungsten arc GTAW process (butt joint) without filler addition. The used shielding gas was pure argon and 98% ...
13
Induced magnetic field used to detect the sigma phase of a 2205 duplex stainless steel
... the steel by 70 % ...monitor duplex stainless steel structures, it is important to assess their microstructure even for times inferior to ...
38