Microstructure and Corrosion Behavior of Functionally Graded Wire Arc Additive Manufactured Steel Combinations

Abstract

Research data are not shared.

Microstructure, Mechanical Properties, and Corrosion Behavior of Co‐Based Stellite 6 Multilayer Overlays Deposited on ASTM A36 Steel by Gas Metal Arc Welding Process

“…This higher corrosion resistance is attributed to the formation of strong Cr and Co oxide films in the hardfaced stellite specimens and it is identical to the previous findings. [62][63][64][65][66][67] Stellite-6 is an excellent corrosion resistance material because of the high-chromium content, enabling it to form a strong oxide film on the surface. [65,68] The passive film formed on the stellite-6-deposited specimen is stable, while the substrate underwent severe corrosion damage and the electrochemical characteristics confirm the corrosion trend.…”

“…The increase in pitting resistance of hardfaced stellite-6 specimen is mainly confirmed by the fraction of Cr, W, and Co fraction from SEM-EDS analysis. [66,67] Further, the overlapped portion of the overlays offers excellent corrosion resistance because of the remelting phenomenon. [72] From the micrographs, it is clear that the pitting is severe at the substrate side.…”

Re-Imagining Additive Manufacturing through Multi-Material Laser Powder Bed Fusion

“…The ability to concurrently design and manufacture highly complex multi-material structures is of high interest for a wide range of applications such as: high temperature surface uidic structures 8 , solid state energy devices 9,10 , biomedical AM implants with functional surfaces 11 , and corrosion resistant graded components 12 . In order to demonstrate the unique capability to simultaneously design and manufacture highly complex structures in multi-material within a single 3D geomoetry, this study leverages triply periodic minimal surfaces (TPMS), which are characterized by a smooth continuous surface, interconnected porosity, and zero mean curvature 13 .…”

Effects of Heat Treatment on Microstructure and Properties of 347 Stainless Steel Alloy Prepared by Wire Arc Additive Manufacturing

“…[1,2,9] Among different AM methods, the wire arc additive manufacturing (WAAM) process has attracted special attention in recent years due to its ability to manufacture large-scale components. [10][11][12][13][14] Various types of metals such as low-carbon and low-alloy steels [7,[15][16][17][18][19] and Ni-, [16,[20][21][22][23] Al-, [4,24,25] and Ti-based alloys [10,23] are used as feedstock materials. Furthermore, arc welding processes such as gas metal arc welding (GMAW), gas tungsten arc welding (GTAW), and plasma arc welding are employed as the 3D manufacturing process.…”