...Dantong Wang; Tan Zhao; Qian Wang; Yalong Zhang; Mingyang Hong; Dongxu Chen; Junwei Zhang To evaluate the effect of copper (Cu) content on the microstructure and corrosion resistance of austenite stainless steel, 316L stainless steel coatings with varying Cu contents were prepared by laser cladding...

... resistance of these alloys still requires improvement. In this study, we fabricated various NiTi alloys with and without TiC addition using selective laser melting (SLM). The effects of TiC addition and content on the microstructure, phase transition, and corrosion resistance of SLM-fabricated NiTi alloys...

... representing the processes. They are exogenous information that may be derived from data or just reasonable guesses. The causality issue is discussed later in this paper. aging Bayesian life prediction microstructure probability stress corrosion cracking unknown unknowns M odern society...

...-to-metal RCA results are discussed within the context of nonhomogenized microstructures associated with AM. To eliminate the effect of surface finish, all specimens were ground to 1200 grit SiC paper and degreased with acetone, ethanol, and deionized (DI) water before testing unless noted in the text...

... by passive oxides, compositional optimization, and microstructural refinement are discussed. © 2024, AMPP 2024 microstructure passivity H igh entropy alloys (HEAs), an alloy class utilizing multiple elements in equimolar or near-equimolar concentrations, have recently grown in popularity...

...) was investigated following ASTM G108-94 and A262-14 standards. The LPBF-316L with La(NO₃)₃·6H₂O showed higher IGC resistance. The microstructure of the LPBF specimen was investigated and correlated to understand the improved IGC resistance of LPBF-316L with La(NO₃...

... of corrosion film. The additions of Sn and Nb can refine and uniform the microstructure of alloy, which is helpful to the formation of a more complete corrosion layer. Cu₂O and CuO are the corrosion products of alloys, and the content of Cu₂O can be increased by the Sn and Nb additions...

...Jonas Lunde; Salar Salahi; Alireza Vahedi Nemani; Mahya Ghaffari; Ali Nasiri With the aim of modifying the microstructure and improving the corrosion performance of a wire arc additive manufactured 420 martensitic stainless steel, heat treatment cycles consisting of austenitizing at 1,150°C...

...Lin Chen; Changkyu Kim; Nikolaos Michailidis; Homero Castaneda In this study, we investigate the microstructure and the corrosion performance of an 18Ni 300 maraging steel after prepared by selective laser melting (SLM) technique and the effects of aging. The commercial 18Ni 300 maraging steel...

...Yanbing Meng; Songmei Li; Jianhua Liu; Mei Yu; WenMing Tian The microstructures and electrochemical pitting behaviors of AA2024 in successive spark plasma sintering, solid solution treatment (SST), and aging treatment (AT) states were investigated. The effect of intermetallic compounds (IMCs...

... the corrosion of molten zinc, which is mainly related to its microstructure. The typical microstructure of the coating is composed of α-(Fe, Cr) solid solution matrix and CrFeB eutectic phases continuously distribute around the matrix. When molten zinc is in contact with the surface of the coating, it corrodes...

... combinations of Ti⁴⁺, Cr³⁺, and Al³⁺ oxides in an undetermined solid solution or complex oxide. Enhanced corrosion resistance is attributed to the improved chemical homogeneity of passivating elements within the two-phase microstructure, while the decreased corrosion resistance...

...-6Al-4V alloys made by different traditional processing and 3D printing technologies in seawater, 3.5 wt% NaCl, 3.5 wt% HCl, 5 wt% HCl, and 10 wt% HCl solutions were studied through polarization curve and electrochemical impedance spectra analyses. The influences of microstructure and printing...

...B.Y. Hu; H. Zhang; L.Y. Liu; D.B. Liu; A.H. Feng; D.L. Chen Corrosion behavior of friction stir welded 2195-T8 Al-Cu-Li alloy has been studied. Immersion and electrochemical open-circuit potential (OCP) test were applied. The microstructure and precipitates evolution in different zones were...

...D. Jiang; N. Birbilis; C.R. Hutchinson; M. Brameld The microstructure and electrochemical properties of additively manufactured 22Cr duplex stainless steel (DSS) and 25Cr super duplex stainless steel (SDSS) produced by laser-powder bed fusion (L-PBF) are reported herein. The as-built microstructure...

... and i_corr increased. The typical two-phase microstructure of a DSS has a hard and a soft phase. ^{16 - 19} In nitrogen-containing DSS, austenite is expected to be the hard phase, ^{19 - 20} while other grades of DSS may have a hard ferrite phase. ^{17 - 19} During plastic...

...Nick Birbilis : The corrosion of magnesium has remained a significant engineering (and scientific) challenge for close to a century. In the context of magnesium alloys, the alloy microstructure (from the nanoscale to the millimeter scale) plays a key role in influencing the alloy corrosion rate...

... at the steel surface, thus slowing down further corrosion. Temperature, CO₂ partial pressure, and pH are the main environmental parameters controlling FeCO₃ properties. However, the combined effects of flow and material microstructure on the formation of FeCO₃ have not been...

..., and electrochemical impedance spectroscopy (EIS), and surface analyses techniques such as scanning electron microscopy coupled with energy dispersive x-ray spectroscopy (SEM/EDS) and x-ray diffraction (XRD) analysis. The microalloyed steels with ferrite-pearlite microstructures demonstrated better corrosion...

...Haval B. Mohammed-Ali; Steven R. Street; Moataz M Attallah; Alison J. Davenport Atmospheric corrosion of stainless steel is of concern for intermediate level nuclear waste (ILW) containers. The effect of microstructure on the morphology of atmospheric corrosion pits in Type 304L stainless steel...