Corrosion Properties and Impact Toughness of 2205 Duplex Stainless Steel after TIG Welding*

2014 ◽  
Vol 56 (10) ◽  
pp. 786-794 ◽  
Author(s):  
Aziz Barış Basyigit ◽  
Adem Kurt
Keyword(s):  
Stainless Steel ◽  
Impact Toughness ◽  
Duplex Stainless Steel ◽  
Tig Welding ◽  
Corrosion Properties ◽  
2205 Duplex Stainless Steel

Effect of rolling deformation on microstructure and mechanical properties of 2205 duplex stainless steel with micro-nano structure

2020 ◽  
Vol 34 (25) ◽  
pp. 2050269
Author(s):  
Yuqi Mao ◽  
Yuehong Zheng ◽  
Yu Shi ◽  
Min Zhu ◽  
Saitejin ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Volume Fraction ◽  
Two Phase ◽  
Corrosion Properties ◽  
Nano Structure ◽  
2205 Duplex Stainless Steel ◽  
Microstructure And Mechanical Properties ◽  
Rolling Deformation

In order to further expand the application scope of 2205 duplex stainless steel (DSS), its microstructure and mechanical properties require as much attention as its corrosion properties. In this study, 2205DSSs were prepared by aluminothermic reaction and the microstructures and mechanical behavior of the rolled alloys were analyzed. The micro-nanocrystals composite structure appears in the alloys after rough rolling with deformation of 40% at [Formula: see text]C followed by finishing rolling with deformation of 30%, 50% and 70% at [Formula: see text]C. With the increase of rolling deformation, the two-phase structure is gradually elongated, the average size of the two-phase grains is gradually increased, and some [Formula: see text] phase will change to [Formula: see text] phase, the volume fraction of [Formula: see text] phase is gradually increased, and the distribution of nanocrystals is gradually uniform. Meanwhile, the fracture mode of alloy is gradually changed from ductile fracture to brittle fracture. The strength and hardness of the alloy increase gradually.

Effects of Rare Earth Addition on the Inclusions and Mechanical Properties of 2205 Duplex Stainless Steel

2012 ◽  
Vol 503-504 ◽  
pp. 463-468 ◽  
Author(s):  
Xiao Liu ◽  
Long Mei Wang
Keyword(s):  
Mechanical Properties ◽  
Stainless Steel ◽  
Rare Earth ◽  
Impact Toughness ◽  
Duplex Stainless Steel ◽  
Rare Earth Metals ◽  
Transverse Impact ◽  
Metallographic Examination ◽  
2205 Duplex Stainless Steel ◽  
Reduction Of Area

The effects of rare earth metals on the inclusions and the mechanical properties of 2205 duplex stainless steel were studied by metallographic examination, scanning electron microscope (SEM) and energy spectrum analysis. The results show that the morphologies and sizes of non-metallic inclusions in 2205 duplex stainless steel are changed, and rare earth metals played a very good role of modifying inclusions. The fracture mode of 2205 duplex stainless steel is typical cleavage fracture, but quasi-cleavage and dimple fracture after adding RE into the steel, and the spherical inclusions of rare earth oxysulfide in the dimple are the main factors for this transformation. The transverse impact toughness of 2205 duplex stainless steel is improved obviously by RE. In comparison with 2205 duplex stainless steel without RE, the transverse impact toughness of 2205 duplex stainless steel with RE is increased 20.49% at -40°C, and the room temperature strength are improved, the elongation and reduction of area have been improved 11.67%, 24.55% respectively.

Effect of Rare Earth Metals on Microstructure and Impact Property of Duplex Stainless Steel

2013 ◽  
Vol 662 ◽  
pp. 424-427 ◽  
Author(s):  
Xiao Liu ◽  
Jing Long Liang
Keyword(s):  
Stainless Steel ◽  
Rare Earth ◽  
Impact Toughness ◽  
Duplex Stainless Steel ◽  
Earth Element ◽  
Impact Test ◽  
Rare Earth Metals ◽  
Transverse Impact ◽  
Metallographic Examination ◽  
2205 Duplex Stainless Steel

The effect of rare earth element on structure and mechanical properties of 2205 duplex stainless steel were studied by metallographic examination, scanning electron microscope (SEM), tensile test and impact test. The results show that the proper amount of rare earth can refine microstructure of 2205 duplex stainless steel. Fracture is changed from cleavage to ductile fracture by adding RE to 2205 duplex stainless steel. 2205 duplex stainless steel containing 0.05% RE can improve its impact toughness, and the transverse impact toughness is increased 15.56% at -20°C respectively comparing with that of 2205 duplex stainless steel without RE.

Effect of Rare Earth Metals on Inclusions and Impact Property of 2205 Duplex Stainless Steel

2012 ◽  
Vol 472-475 ◽  
pp. 411-418 ◽  
Author(s):  
Xiao Liu ◽  
Long Mei Wang
Keyword(s):  
Stainless Steel ◽  
Rare Earth ◽  
Impact Toughness ◽  
Duplex Stainless Steel ◽  
Electron Spectroscopy ◽  
Rare Earth Metals ◽  
Transverse Impact ◽  
2205 Duplex Stainless Steel ◽  
Main Factors ◽  
Rare Earth Oxysulfide

The effect of rare earth metals on inclusions and impact toughness of 2205 duplex stainless steel were studied by SEM and electron spectroscopy. Thermodynamic calculation was used to analyze the formation of RE inclusions in 2205 duplex stainless steel. The result shows that aluminosilicate compound inclusion and sulfide inclusion can be entirely replaced by RE2O2S and RES. Fracture is changed from cleavage to ductile fracture by adding RE to the 2205 duplex stainless steel, and the spherical rare earth oxysulfide inclusions-RE2O2S in the dimple are the main factors. The transverse impact value of 2205 duplex stainless stainless steel has been improved obviously by RE. The transverse impact value of RE-2205 is increased 20.49% at the temperature of -40°C, comparing with 0RE-2205.

Evaluating the Hydrogen Embrittlement Susceptibility of Aged 2205 Duplex Stainless Steel Containing Brittle Sigma Phase

2021 ◽  
Author(s):  
Loyslene Rabelo Fernandes ◽  
Lisa Claeys ◽  
Margot Pinson ◽  
Tom Depover ◽  
Dagoberto Brandão Santos ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Hydrogen Embrittlement ◽  
Duplex Stainless Steel ◽  
Sigma Phase ◽  
2205 Duplex Stainless Steel

Corrosion study on AA-TIG welding of duplex stainless steel

2021 ◽  
Author(s):  
C. Sasikumar ◽  
R. Sundaresan ◽  
C. Merlin Medona ◽  
A. Ramakrishnan
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Tig Welding ◽  
Corrosion Study
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