Abstract
In this study, explosive welding was used in the cladding of aluminum plates to ship steel plates at different explosive ratios. Ship steel-aluminum bimetal composite plates were manufactured and the influence of the explosive ratio on the cladded bonding interface was examined. Optical microscopy (OM), scanning electron microscopy (SEM), and energy dispersive spectrometry (EDS) studies were employed for the characterization of the bonding interface of the manufactured ship steel-aluminum bimetal composites. Tensile-shear, notch impact toughness, bending and twisting tests, and microhardness studies were implemented to determine the mechanical features of the bimetal composite materials. In addition, neutral salt spray (NSS) tests were performed in order to examine the corrosion behavior of the bimetal composites.
Highlights
Today’s ship and offshore construction designers face complex problems in selecting materials that provide minimization of topside weight and protection against marine corrosion-all within a reasonable budget [1]
4–6 show microstructure images at different magnifications of the bonding interfaces of the ship steel-aluminum bimetal composite materials produced via the explosive welding method
Fractures, or separations were seen in the bonding interface of the bimetal composite samples cracks, fractures, or separations were seen in the bonding interface of the bimetal composite samples produced at different explosive ratios as a result of the two-way bending tests performed by bending produced at different explosive ratios as a result of the two-way bending tests performed by bending the samples 180°
Summary
Today’s ship and offshore construction designers face complex problems in selecting materials that provide minimization of topside weight and protection against marine corrosion-all within a reasonable budget [1]. With the development of modern industry, applications of single metallic constituents are unable to meet these requirements. With the respective merits of two metallic components, the bimetal clad plate is capable of achieving the performance that single metal constituents fail to provide [2]. The usual solution to this problem is to employ a variety of metals throughout the structure, each being selected for features appropriate for the specific component [3]. Cladded plates are used today in power plants, for applications in the chemical and petrochemical industry, for desalination plants, in ship construction, etc. Light-weight metals, like titanium, aluminum, and even magnesium can be bonded to other metallic partners like steel or to each other [4]
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