The mechanics of machining selective laser melted super duplex stainless steels
Journal of Materials Research and Technology, 2022 Duplex stainless steels come under the difficult-to-machine category, considering the loss of the sensitive balance between the constituent phases due to thermal and mechanical working effects.
Karl Peter Davidson, Sarat Singamneni
doaj +1 more source
Rietveld and Impedance Analysis of Cold and Hot Rolled Duplex and Lean Duplex Steels for Application in Paper and Pulp Industry [PDF]
Materials Research, 2016 In this study, X-Ray Diffraction (XRD) and Rietveld Refinement were performed to identify and quantify the ferrite and austenite phase of cold and hot rolled duplex stainless steels (UNS S31803) and lean duplex stainless steels (UNS S32304 ...
Luiza Esteves +3 more
doaj +2 more sources
Comparative Study Between Sensitization Degree of the 0.4% Mo Austenitic Stainless Steel and UNS S31803 Duplex Stainless Steel [PDF]
Materials Research, 2021 This study aims at assessing the degree of susceptibility to intergranular corrosion of the UNS S31803 duplex stainless steel and the 0.4% Mo austenitic stainless steel through the double-loop electrochemical potentiodynamic reactivation (DL-EPR) test ...
José C. de Lacerda +4 more
doaj +1 more source
Magnetic and Thermoelectric Detection of Sigma Phase in 2507 Duplex Stainless Steel
Crystals, 2022 Duplex stainless steel has significantly broadened the range of applications of stainless steel. They have a dual-phase microstructure containing ferrite and austenite at approximately a 50–50% phase ratio.
István Mészáros +2 more
doaj +1 more source
Fenmo yejin jishu, 2023 The 316L/430 duplex stainless steels were prepared by selective laser melting in this study, using 316L and 430 mixed powders prepared by gas atomization as the raw materials.
HU Jianbin +5 more
doaj +1 more source
Surface modification method of duplex type stainless steels by the pack boriding process [PDF]
Hemijska Industrija, 2021 This work presents the investigation of a boriding process on two grades of stainless steel namely UNS32750 super duplex stainless steel and UNSS31803 duplex stainless steel in order to improve material properties and possibly to reduce ...
Hariharan Ramakrishnan +4 more
doaj +1 more source
Some Insight on the Heat-affected Zone Strengthening Mechanisms in Duplex Stainless Steels
Materials Research, 2022 The paper shows that the strengthening mechanisms at the duplex stainless steels' heat-affected zone (HAZ) are sensitive to the volume fractions of the different austenite morphologies and the orientation relationships of these austenite morphologies ...
E.V. Morales +3 more
doaj +1 more source
Phase transformations of the duplex stainless steel UNS S31803 under non-isothermal conditions
Journal of Materials Research and Technology, 2021 Precipitation of the intermetallic phases embrittles duplex stainless steels. Currently, most studies in this subject simulated aging phenomena by first holding the material at different isothermal conditions and then, quenching down under high cooling ...
Gabrielle Cristine Lemos Duarte Freitas +3 more
doaj +1 more source
Corrosion Behavior of Duplex and Lean Duplex Stainless Steels in Pulp Mill [PDF]
Materials Research, 2017 The cyclic potentiodynamic polarization behavior of duplex stainless steel (DSS) and lean duplexstainless steel (LDSS) was studied in white and green liquors froma pulp processingplant.
Luiza Esteves +2 more
doaj +2 more sources
Journal of Materials Research and Technology, 2020 The aim of this study is to investigate the effects of seawater retention inside subsea oil and gas pipelines on the corrosion of several corrosion resistant alloys commonly used in seawater. Pitting corrosion, crevice corrosion, and electrochemical test
Jinyang Zhu +11 more
doaj +1 more source